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Union County, NJ 7-Day Weather Forecast
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Union County Weather Forecast
Union County, NJ Weather Forecast Date: 907 PM EDT Fri Sep 25 2026
Weather forecast for Union County, NJ
Tonight Lo: 59°F Lo: 15°C |
Tonight... Cloudy with a 50% chance of rain. Lows in the upper 50s. Northeast winds around 20 mph with gusts up to 40 mph. |
| Sat Hi: 61°FHi: 16°C Lo: 59°F Lo: 15°C |
Saturday... Rain. Highs in the lower 60s. North winds around 20 mph with gusts up to 45 mph. Chance of rain 80%. |
| Sun Hi: 65°FHi: 18°C Lo: 60°F Lo: 16°C |
Sunday... Rain. Highs in the mid 60s. Northeast winds 15 to 20 mph with gusts up to 40 mph. Chance of rain near 100%. |
| Mon Hi: 69°FHi: 21°C Lo: 59°F Lo: 15°C |
Monday... Rain likely. Highs in the upper 60s. Chance of rain 70%. |
Tue Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Tuesday... Partly sunny. Highs in the lower 70s. |
Wed Hi: 75°FHi: 24°C Lo: 60°F Lo: 16°C |
Wednesday... Mostly sunny. Highs in the mid 70s. |
| Thu Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Thursday... Mostly sunny. Highs in the upper 70s. |
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