Thornton, NH Weather Forecast
Grafton County, New Hampshire
Live radar, warnings and storm tracking for Thornton, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Thornton
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Thornton, NH at a glance
Thornton is home to about 2,838 people in Grafton County, across 50 square miles. It ranks 114th by population of 125 places in New Hampshire with a forecast here. The nearest neighbour with its own forecast is Campton, 8 miles away.
- County
- Grafton County
- Population
- 2,838 2023 est.
- Land area
- 50 sq mi
- People per sq mi
- 57
- Forecast point
- 43.9479°N, 71.6358°W
How well can the network see Thornton?
The nearest Doppler radar is KGYX (Portland, ME), to the E. Its lowest scan passes about 5,500 ft above Thornton. The beam is above the lowest few thousand feet here, so a warning for Thornton can come before anything looks dramatic on radar.
The closest weather station is K1P1 (Plymouth Muni). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Thornton
- Campton, NH8 mi
- Plymouth, NH15 mi
- Tamworth, NH18 mi
- Haverhill, NH20 mi
- Moultonborough, NH21 mi
- Bethlehem, NH22 mi
- Bartlett, NH22 mi
- Bristol, NH23 mi
Elsewhere in New Hampshire
ManchesterNashuaConcordDerryRochesterDoverAll New Hampshire forecasts →