What is today's weather forecast for Thornton, NH?

Today's forecast for Thornton shows a low of -3 degrees Fahrenheit. Mostly clear, with a low around -3.

What is the 7-day weather forecast for Thornton, NH?

The 7-day forecast for Thornton shows highs from 21 to 33 degrees and lows from -3 to 23 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Thornton, NH this week?

Yes, rain is possible in Thornton this week. Precipitation chances: Tuesday (30% chance), Wednesday (90% chance), Saturday (30% chance).

How accurate is the Thornton weather forecast?

WeatherForYou provides highly accurate Thornton forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Thornton, NH Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

2°F
Feels Like 2°F

Humidity 84% Dew Point -2°F Wind Calm Barometer 30.19 in.

Report from a MADIS/MESONET weather station 0.7 mi. ESE of central Thornton
at 7:37 PM Mon, Dec 8, 2025

Point Forecast at a Glance

MonDec 8

-3

TueDec 9

WedDec 10

90%

ThuDec 11

FriDec 12

SatDec 13

30%

SunDec 14

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 23°F to 33°F. Some snow possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 7°F below the historical average for December. Normal highs for this period are around 33°F with lows around 15°F.

This Date in Weather History

1892 - A tremendous ice fall occurred at Gay Hill, TX. Ice averaged four to six inches in diameter.

Thornton, NH 7 Day Weather Forecast Details

Monday Dec 8

Night: Mostly clear, with a low around -3. Calm wind.

Tuesday Dec 9

Day: Increasing clouds, with a high near 24. Wind chill values as low as -3. Calm wind.

Night: A 30 percent chance of snow showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 11. Calm wind.

Wednesday Dec 10

Day: Snow, mainly after 1pm. High near 29. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Night: Snow likely, mainly before 11pm. Cloudy, with a low around 23. Calm wind becoming west around 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Thursday Dec 11

Day: Partly sunny, with a high near 33.

Night: Partly cloudy, with a low around 10.

Friday Dec 12

Day: Mostly sunny, with a high near 26.

Night: Partly cloudy, with a low around 10.

Saturday Dec 13

Day: A 30 percent chance of snow before 1pm. Partly sunny, with a high near 28.

Night: Mostly cloudy, with a low around 9.

Sunday Dec 14

Day: Partly sunny, with a high near 23.

Night: Mostly cloudy, with a low around 5.

Monday Dec 15

Day: Mostly sunny, with a high near 21.

About Thornton, NH

Thornton is a town in Grafton County, New Hampshire, United States. The population was 2,708 at the 2020 census, up from 2,490 at the 2010 census.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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