Sullivan, NH 7-Day Weather Forecast
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Sullivan Weather Forecast


Sullivan, NH Weather Forecast Date: 220 PM EDT Wed Sep 09 2026
Weather forecast for Sullivan, NH
| Tonight Lo: 65°F Lo: 18°C |
Tonight... Rain likely with isolated thunderstorms. Lows in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70%. |
| Thu Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Thursday... Partly sunny. A chance of showers in the morning. Highs in the upper 70s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40%. |
| Fri Hi: 71°FHi: 22°C Lo: 45°F Lo: 7°C |
Friday... Mostly sunny. Highs in the lower 70s. Light and variable winds, becoming northwest around 10 mph in the afternoon. |
| Sat Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Saturday... Mostly sunny. Highs in the lower 70s. |
| Sun Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Sunday... Partly sunny in the morning, then becoming mostly cloudy. A 50% chance of showers. Highs in the mid 70s. |
| Mon Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Monday... Partly sunny. Highs in the mid 70s. |
| Tue Hi: 75°FHi: 24°C Lo: 60°F Lo: 16°C |
Tuesday... Partly sunny. Highs in the mid 70s. |
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