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Town of Thornton, NHThornton, NH 7-Day Night Weather Forecast
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Thornton, NH Weather Forecast
Thornton, NH Weather Forecast Date: 246 AM EDT Mon Oct 19 2026
The area/counties/county of: Northern Grafton, including the cities of: Bethlehem, Lincoln, Littleton, Sugar Hill, Thornton, Waterville Valley, and Woodstock.or toggle through each period.
Today... Mostly sunny. Highs in the lower 60s. Light and variable winds.
Tonight... Partly cloudy. Lows in the upper 30s. Light and variable winds.
Tuesday... Partly sunny. Highs in the upper 50s. Light and variable winds.
Tuesday Night... Partly cloudy in the evening, then clearing. Lows around 30. Light and variable winds.
Wednesday... Mostly sunny. Highs in the mid 50s. Light and variable winds.
Wednesday Night... Mostly clear. Lows in the lower 30s.
Thursday... Mostly sunny. Highs in the mid 50s.
Thursday Night... Mostly clear. Lows in the lower 30s.
Friday... Mostly sunny. Highs in the upper 40s.
Friday Night... Mostly clear. Lows in the upper 20s.
Saturday... Mostly sunny. Highs in the lower 50s.
Saturday Night... Mostly clear. Lows in the lower 30s.
POP = Probability of Precipitation
Thornton Radar Loop
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