Warren County, NJ 7-Day Night Weather Forecast
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Warren County, NJ Weather Forecast


Warren County, NJ Weather Forecast Date: 400 PM EDT Fri Sep 18 2026
The area/counties/county of: Warren, including the city of Washington.or toggle through each period.
Tonight... Mostly clear. Cooler with lows in the lower 50s. North winds around 5 mph.
Saturday... Mostly sunny. Not as warm with highs around 70. East winds around 5 mph.
Saturday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Patchy fog. Lows in the upper 50s. Southeast winds around 5 mph. Chance of rain 50%.
Sunday... Showers likely in the morning, then showers in the afternoon. Patchy fog. Highs in the upper 60s. South winds around 5 mph. Chance of rain near 100%.
Sunday Night... Showers, mainly in the evening. Patchy fog. Locally heavy rainfall possible in the evening. Lows in the upper 50s. West winds around 5 mph, becoming north around 5 mph after midnight. Chance of rain near 100%.
Monday... Mostly cloudy with a 40% chance of showers. Highs in the mid 60s.
Monday Night... Mostly cloudy with a 30% chance of showers. Lows in the lower 50s.
Tuesday... Mostly cloudy with a 40% chance of showers. Highs in the lower 60s.
Tuesday Night... Mostly cloudy with a 30% chance of showers. Lows in the upper 40s.
Wednesday... Mostly cloudy with a 30% chance of showers. Highs around 60.
Wednesday Night... Mostly cloudy with a chance of showers. Lows in the upper 40s. Chance of rain 40%.
Thursday... Partly sunny with a chance of showers. Highs in the lower 60s. Chance of rain 40%.
Thursday Night... Mostly cloudy with a chance of showers. Lows in the upper 40s. Chance of rain 30%.
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