- Thursday: Cloudy and much cooler with showers. High 65. Wind N 5-10 mph. Chance of rain 80%. Around a tenth of an inch of rain expected.
- Thursday Night: Mostly cloudy. Low 50. Light NE wind.
- Friday: Cloudy. High 65. Wind SE 5-10 mph.
- Friday Night: Cloudy with showers likely. Low 47. Wind NE 5 mph.
- Saturday: Cloudy and cool with rain. High 56. Wind E 5-10 mph. Chance of rain 80%. Between a half inch and an inch of rain expected.
- Saturday Night: Cloudy with a 100% chance of rain. Low 50.
- Sunday: Cloudy and cool with a 90% chance of rain. High 62.
- Sunday Night: Cloudy with a 40% chance of showers. Low 52.
- Monday: Cloudy and warmer with a 30% chance of a shower. High 73.
- Monday Night: Cloudy. Low 59.
Weather forecasts for central New Jersey (mainly focusing on Somerset, Middlesex and Mercer Counties), and occasional news, information and random ramblings about weather, the environment and science.
Thursday, May 21, 2026
NJ Forecast - 5/21/26
Wednesday, May 20, 2026
NJ Forecast - 5/20/26
- Wednesday: Mostly cloudy and hot with afternoon showers or thunderstorms likely, possibly severe. High 91. Wind NW 5-10 mph. Chance of rain 60%. Between a tenth and a quarter of an inch of rain expected, higher in storms.
- Wednesday Night: Cloudy with an evening shower or thunderstorm likely. Low 57. Wind N 5 mph. Chance of rain 60%. Around a tenth of an inch of rain expected.
- Thursday: Cloudy and much cooler with showers likely. High 64. Wind NE 5-10 mph. Chance of rain 60%. Around a tenth of an inch of rain expected.
- Thursday Night: Mostly cloudy. Low 47. Light NE wind.
- Friday: Mostly cloudy. High 68. Wind SE 5-10 mph.
- Friday Night: Cloudy with a 40% chance of rain. Low 51.
- Saturday: Cloudy and cool with an 80% chance of rain. High 60.
- Saturday Night: Cloudy with an 80% chance of rain. Low 50.
- Sunday: Cloudy and cool with a 60% chance of rain. High 60.
- Sunday Night: Cloudy with a 50% chance of showers. Low 51.
Tuesday, May 19, 2026
NJ Forecast - 5/19/26
- Tuesday: Mostly sunny, hot and humid. High 96. Wind W 10 mph with higher gusts.
- Tuesday Night: Partly cloudy, warm and humid. Low 70. Wind calm.
- Wednesday: Mostly cloudy and hot with showers or thunderstorms likely, possibly severe. High 91. Wind NW 5-10 mph with higher gusts possible. Chance of rain 60%. Around a tenth of an inch of rain expected, higher in storms.
- Wednesday Night: Cloudy with a chance of an evening shower or thunderstorm. Low 54. Wind N 5-10 mph. Chance of rain 40%. Less than a tenth of an inch of rain possible.
- Thursday: Mostly cloudy and cooler. High 69. Wind NE 5-10 mph.
- Thursday Night: Cloudy with a 40% chance of a shower. Low 51.
- Friday: Cloudy. High 67.
- Friday Night: Cloudy with a 60% chance of rain. Low 50.
- Saturday: Cloudy and cool with a 70% chance of rain. High 61.
- Saturday Night: Cloudy with a 60% chance of rain. Low 51.
Monday, May 18, 2026
NJ Forecast - 5/18/26
- Monday: Mostly sunny and hot. High 93. Wind S 5 mph.
- Monday Night: Partly cloudy, warm and humid. Low 68. Wind calm.
- Tuesday: Mostly sunny and hot. High 95. Wind W 5-10 mph.
- Tuesday Night: Partly cloudy, warm and humid. Low 70.
- Wednesday: Mostly cloudy and warm with a shower or thunderstorm likely, possibly severe. High 87. Wind W 5-10 mph with higher gusts possible. Chance of rain 60%. Less than a tenth of an inch of rain expected, higher in storms.
- Wednesday Night: Cloudy with a 30% chance of a shower or thunderstorm. Low 56.
- Thursday: Cloudy and cooler. High 69.
- Thursday Night: Cloudy. Low 50.
- Friday: Cloudy with a 30% chance of a shower. High 67.
- Friday Night: Cloudy with a 60% chance of rain. Low 50.
Sunday, May 17, 2026
NJ Forecast - 5/17/26
- Sunday: Sunny and hot. High 90. Wind W 5-10 mph.
- Sunday Night: Partly cloudy and mild. Low 64. Wind calm.
- Monday: Mostly sunny and hot. High 90. Wind S 5 mph.
- Monday Night: Partly cloudy, warm and humid. Low 66. Wind calm.
- Tuesday: Mostly sunny and hot. High 94. Wind SE 5-10 mph.
- Tuesday Night: Clear, warm and humid. Low 66.
- Wednesday: Mostly cloudy and warm with a 30% chance of a shower or thunderstorm. High 85.
- Wednesday Night: Mostly cloudy. Low 53.
- Thursday: Mostly sunny and cooler. High 73.
- Thursday Night: Cloudy. Low 50.
Saturday, May 16, 2026
NJ Forecast - 5/16/26
- Saturday: Mostly sunny. High 81. Wind SW 5-10 mph.
- Saturday Night: Mostly cloudy and mild. Low 61. Light SW wind.
- Sunday: Mostly sunny and warm. High 86. Wind W 5-10 mph.
- Sunday Night: Partly cloudy and mild. Low 64. Wind calm.
- Monday: Mostly sunny and very warm. High 89. Wind light and variable.
- Monday Night: Partly cloudy and mild with a 30% chance of a shower or thunderstorm. Low 63.
- Tuesday: Mostly sunny and hot. High 92.
- Tuesday Night: Partly cloudy, warm and humid. Low 66.
- Wednesday: Partly cloudy, very warm and humid with a 30% chance of a shower or thunderstorm. High 89.
- Wednesday Night: Cloudy and mild with a 50% chance of showers or thunderstorms. Low 62.
Friday, May 15, 2026
NJ Forecast - 5/15/26
- Friday: Mostly cloudy. High 67. Wind NW 10 mph.
- Friday Night: Clear. Low 49. Wind calm.
- Saturday: Sunny. High 80. Wind SW 5-10 mph.
- Saturday Night: Mostly cloudy and mild. Low 60. Light S wind.
- Sunday: Variably cloudy and warm. High 85. Wind NW 5-10 mph.
- Sunday Night: Partly cloudy and mild. Low 63.
- Monday: Mostly sunny and warm. High 85.
- Monday Night: Partly cloudy and mild. Low 63.
- Tuesday: Sunny and hot. High 90.
- Tuesday Night: Clear, warm and humid. Low 65.
Thursday, May 14, 2026
NJ Forecast - 5/14/26
- Thursday: Cloudy with a 30% chance of a shower. High 66. Wind NW 5-10 mph.
- Thursday Night: Cloudy. Low 48. Wind NW 5-10 mph.
- Friday: Mostly cloudy. High 68. Wind NW 5-10 mph.
- Friday Night: Partly cloudy. Low 50. Wind calm.
- Saturday: Mostly sunny. High 78. Wind SW 5-10 mph.
- Saturday Night: Mostly cloudy. Low 58.
- Sunday: Mostly cloudy and warm with a 40% chance of a shower or thunderstorm. High 82.
- Sunday Night: Mostly cloudy and mild with a 40% chance of a shower. Low 62.
- Monday: Mostly sunny and warm. High 89.
- Monday Night: Partly cloudy and warm. Low 64.
Wednesday, May 13, 2026
NJ Forecast - 5/13/26
- Wednesday: Mostly cloudy. High 72. Wind S 10 mph with gusts to 35 mph.
- Wednesday Night: Cloudy with showers or thunderstorms. Low 53. Light SE wind. Chance of rain 90%. Around a quarter of an inch of rain expected.
- Thursday: Mostly cloudy with a chance of a shower. High 67. Wind NW 5-10 mph. Chance of rain 40%. Less than a tenth of an inch of rain possible.
- Thursday Night: Cloudy. Low 49. Wind NW 5-10 mph.
- Friday: Mostly cloudy. High 67. Wind NW 5-10 mph.
- Friday Night: Partly cloudy. Low 49.
- Saturday: Mostly sunny. High 78.
- Saturday Night: Cloudy and mild with a 30% chance of a shower. Low 59.
- Sunday: Partly cloudy and warm with a 30% chance of a shower. High 82.
- Sunday Night: Partly cloudy and warm. Low 62.
Tuesday, May 12, 2026
NJ Forecast - 5/12/26
- Tuesday: Sunny. High 67. Wind NW 5-10 mph.
- Tuesday Night: Cloudy. Low 49. Light S wind.
- Wednesday: Cloudy with a 30% chance of a shower. High 70. Wind S 10 mph with gusts to 30 mph.
- Wednesday Night: Cloudy with rain. Low 52. Light SE wind. Chance of rain 90%. Around a quarter of an inch of rain expected.
- Thursday: Mostly cloudy with a shower likely. High 66. Wind NW 5-10 mph. Chance of rain 60%. Less than a tenth of an inch of rain expected.
- Thursday Night: Cloudy with a 30% chance of a shower. Low 49.
- Friday: Cloudy. High 69.
- Friday Night: Partly cloudy. Low 51.
- Saturday: Cloudy. High 77.
- Saturday Night: Partly cloudy. Low 56.
Monday, May 11, 2026
NJ Forecast - 5/11/2026
- Monday: Mostly cloudy and cooler. High 65. Wind NW 5-10 mph.
- Monday Night: Partly cloudy. Low 42. Light NW wind.
- Tuesday: Sunny. High 66. Wind NW 5-10 mph.
- Tuesday Night: Increasing clouds. Low 48. Light SW wind.
- Wednesday: Cloudy with a shower likely. High 69. Wind S 10 mph.
- Wednesday Night: Cloudy with a 60% chance of showers or thunderstorms. Low 52.
- Thursday: Mostly cloudy with a 30% chance of a shower. High 66.
- Thursday Night: Cloudy. Low 47.
- Friday: Mostly sunny. High 70.
- Friday Night: Partly cloudy. Low 51.
Sunday, May 10, 2026
NJ Forecast - 5/10/26
- Sunday: Cloudy and warmer with a chance of a shower. High 75. Wind W 5-10 mph. Chance of rain 40%. Less than a tenth of an inch of rain possible.
- Sunday Night: Cloudy with a 30% chance of a shower. Low 47. Wind N 5 mph.
- Monday: Mostly sunny. High 66. Wind NW 5-10 mph.
- Monday Night: Partly cloudy. Low 42. Light NW wind.
- Tuesday: Sunny. High 66.
- Tuesday Night: Partly cloudy. Low 46.
- Wednesday: Cloudy with a 50% chance of a shower. High 68.
- Wednesday Night: Cloudy with a 60% chance of showers or thunderstorms. Low 52.
- Thursday: Mostly cloudy with a 30% chance of a shower. High 68.
- Thursday Night: Partly cloudy. Low 45.
Thursday, May 7, 2026
NJ Forecast - 5/7/26
- Thursday: Mostly cloudy. High 66. Wind NW 5-10 mph.
- Thursday Night: Cloudy. Low 44. Light NW wind.
- Friday: Mostly cloudy and breezy. High 65. Wind NW 10-15 mph with higher gusts.
- Friday Night: Cloudy with a 30% chance of a shower. Low 48. Light E wind.
- Saturday: Cloudy with showers or thunderstorms likely. High 67. Wind S 5-10 mph with higher gusts.
- Saturday Night: Partly cloudy. Low 52.
- Sunday: Mostly cloudy. High 76.
- Sunday Night: Cloudy with a 70% chance of rain. Low 51.
- Monday: Cloudy with a 50% chance of rain. High 60.
- Monday Night: Clear. Low 44.
Wednesday, May 6, 2026
NJ Forecast - 5/6/26
- Wednesday: Cloudy and cooler with showers. High 70. Wind S 5-10 mph with gusts to 30 mph. Chance of rain 80%. Around a tenth of an inch of rain expected.
- Wednesday Night: Cloudy with a 30% chance of a shower. Low 50. Wind NW 5 mph.
- Thursday: Mostly cloudy. High 67. Wind NW 5-10 mph.
- Thursday Night: Variably cloudy. Low 44. Light NW wind.
- Friday: Mostly sunny. High 66. Wind W 5-10 mph with higher gusts.
- Friday Night: Cloudy. Low 49.
- Saturday: Cloudy with an 80% chance of rain. High 66.
- Saturday Night: Partly cloudy. Low 49.
- Sunday: Cloudy. High 72.
- Sunday Night: Cloudy with a 60% chance of rain. Low 55.
Tuesday, May 5, 2026
NJ Forecast - 5/5/26
- Tuesday: Mostly sunny, breezy and warm. High 82. Wind S 10-15 mph with gusts to 35 mph.
- Tuesday Night: Partly cloudy and mild. Low 59. Wind S 5 mph with higher gusts.
- Wednesday: Cloudy and cooler with rain. High 69. Wind S 5-10 mph with gusts to 30 mph. Chance of rain 80%. Around a quarter inch of rain expected.
- Wednesday Night: Cloudy with a shower likely. Low 50. Wind NW 5-10 mph. Chance of rain 60%. Less than a tenth of an inch of rain expected.
- Thursday: Mostly cloudy with a 30% chance of a shower. High 66. Wind NW 5-10 mph.
- Thursday Night: Cloudy with a 40% chance of a shower. Low 46.
- Friday: Mostly sunny. High 68.
- Friday Night: Cloudy. Low 51.
- Saturday: Mostly cloudy with a 40% chance of a shower. High 68.
- Saturday Night: Partly cloudy. Low 50.
Monday, May 4, 2026
NJ Forecast - 5/4/26
- Monday: Mostly sunny and warmer. High 73. Wind SW 10 mph with higher gusts.
- Monday Night: Partly cloudy. Low 53. Light SE wind.
- Tuesday: Mostly sunny, breezy and warm. High 81. Wind S 10-15 mph with gusts to 30 mph.
- Tuesday Night: Increasing clouds. Mild. Low 59. Wind S 5-10 mph with higher gusts.
- Wednesday: Cloudy and cooler with rain likely. High 70. Wind S 5-10 mph with gusts to 30 mph. Chance of rain 70%. Between a quarter and a half inch of rain expected.
- Wednesday Night: Cloudy with a 60% chance of showers. Low 55.
- Thursday: Cloudy with an 80% chance of rain. High 63.
- Thursday Night: Cloudy with a 50% chance of a shower. Low 46.
- Friday: Mostly sunny. High 65.
- Friday Night: Cloudy with a 30% chance of a shower. Low 47.
Sunday, May 3, 2026
NJ Forecast - 5/3/26
- Sunday: Mostly sunny and breezy. High 61. Wind NW 10-15 mph with gusts to 30 mph.
- Sunday Night: Clear. Low 43. Light W wind.
- Monday: Mostly sunny and warmer. High 72. Wind SW 5-10 mph with higher gusts.
- Monday Night: Partly cloudy. Low 53. Light S wind.
- Tuesday: Mostly sunny and warm. High 81. Wind S 10 mph with gusts to 30 mph.
- Tuesday Night: Cloudy and mild. Low 59.
- Wednesday: Cloudy and cooler with a 70% chance of showers. High 71.
- Wednesday Night: Cloudy with a 60% chance of showers. Low 53.
- Thursday: Cloudy with a 60% chance of showers. High 62.
- Thursday Night: Mostly cloudy with a 30% chance of a shower. Low 46.
Saturday, May 2, 2026
NJ Forecast - 5/2/26
- Saturday: Cloudy. High 62. NW wind 5-10 mph.
- Saturday Night: Mostly cloudy. Low 41. Wind NW 5-10 mph.
- Sunday: Mostly sunny and breezy. High 62. Wind NW 10-15 mph with higher gusts.
- Sunday Night: Partly cloudy. Low 43. Wind calm.
- Monday: Mostly sunny and warmer. High 72. Wind SW 5-10 mph with higher gusts.
- Monday Night: Clear. Low 53.
- Tuesday: Mostly sunny and warm. High 80.
- Tuesday Night: Partly cloudy and mild. Low 58.
- Wednesday: Cloudy with a 40% chance of a shower. High 73.
- Wednesday Night: Cloudy and mild with a 60% chance of rain. Low 59.
Friday, May 1, 2026
NJ Forecast - 5/1/26
- Friday: Mostly sunny. High 65. Wind W 5-10 mph.
- Friday Night: Cloudy with a 30% chance of a shower. Low 46. Light SE wind.
- Saturday: Cloudy. High 61. NW wind 5-10 mph.
- Saturday Night: Mostly cloudy. Low 40. Wind NW 5 mph.
- Sunday: Mostly sunny and breezy. High 62. Wind NW 10-15 mph with higher gusts.
- Sunday Night: Partly cloudy. Low 43.
- Monday: Mostly sunny and warmer. High 72.
- Monday Night: Partly cloudy and mild. Low 55.
- Tuesday: Mostly sunny. High 77.
- Tuesday Night: Cloudy and mild with a 40% chance of a shower. Low 56.
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