Weather WorldSullivan, NH 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Sullivan, NH Weather Forecast
Sullivan, NH Weather Forecast Date: 500 PM EDT Fri Sep 11 2026
The area/counties/county of: Cheshire, including the cities of: Gilsum, Keene, Marlow, Sullivan, Surry, and Jaffrey.or toggle through each period.
Tonight... Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable winds.
Saturday... Partly sunny. Highs in the mid 70s. Light and variable winds.
Saturday Night... Partly cloudy in the evening, then mostly cloudy with showers likely after midnight. Lows in the upper 50s. Light and variable winds. Chance of rain 70%.
Sunday... Showers, mainly in the morning. Highs in the lower 70s. Light and variable winds. Chance of rain 80%.
Sunday Night... Partly cloudy. Lows in the mid 50s.
Monday... Mostly sunny. Highs in the upper 60s.
Monday Night... Mostly clear. Lows in the mid 40s.
Tuesday... Mostly sunny. Highs in the upper 60s.
Tuesday Night... Partly cloudy. Lows in the lower 50s.
Wednesday... Partly sunny. Highs in the mid 70s.
Wednesday Night... Partly cloudy. Lows in the upper 50s.
POP = Probability of Precipitation
Sullivan Radar Loop
Use the map search tool if you want to place a location marker on the radar map...