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

Today's forecast for Loudon shows a high of 28 degrees and a low of 14 degrees Fahrenheit. Sunny, with a high near 28.

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

The 7-day forecast for Loudon shows highs from 20 to 43 degrees and lows from 9 to 23 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Loudon, NH this week?

Yes, rain is possible in Loudon this week. Precipitation chances: Saturday (30% chance), Sunday (30% chance).

How accurate is the Loudon weather forecast?

WeatherForYou provides highly accurate Loudon 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.

Loudon, NH Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

16°F
Feels Like 10°F

Humidity 63% Dew Point 6°F Wind SW 4 MPH Gusts 10 Barometer 29.72 in.

Report from a MADIS/MESONET weather station 1.5 mi. E of central Loudon
at 4:30 AM Fri, Dec 12, 2025

Point Forecast at a Glance

FriDec 12

SatDec 13

SunDec 14

30%

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 28°F to a low of 20°F mid-week, then warm to 43°F. Some snow possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 6°F below the historical average for December. Normal highs for this period are around 37°F with lows around 20°F.

This Date in Weather History

1969 - The worst tornado of record for western Washington State tracked south of Seattle, traveling five miles, from Des Moines to Kent. The tornado, 50 to 200 yards in width, began as a waterspout over Puget Sound. One person was injured and the tornado caused half a million dollars damage.

Loudon, NH 7 Day Weather Forecast Details

Friday Dec 12

Day: Sunny, with a high near 28. Wind chill values as low as -3. Breezy, with a west wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

Night: Mostly clear, with a low around 14. West wind 5 to 10 mph becoming light southwest after midnight.

Saturday Dec 13

Day: Mostly cloudy, with a high near 32. Calm wind becoming south around 5 mph in the afternoon.

Night: A 30 percent chance of snow after 3am. Mostly cloudy, with a low around 20. Southwest wind around 5 mph becoming calm.

Sunday Dec 14

Day: A 30 percent chance of snow before 7am. Mostly cloudy, with a high near 28. Light west wind becoming northwest 5 to 10 mph in the morning.

Night: Partly cloudy, with a low around 9.

Monday Dec 15

Day: Mostly sunny, with a high near 20.

Night: Mostly cloudy, with a low around 12.

Tuesday Dec 16

Day: Mostly sunny, with a high near 28.

Night: Mostly cloudy, with a low around 13.

Wednesday Dec 17

Day: Mostly cloudy, with a high near 37.

Night: Mostly cloudy, with a low around 23.

Thursday Dec 18

Day: Mostly cloudy, with a high near 43.

About Loudon, NH

Loudon is a town in Merrimack County, New Hampshire, United States. The population was 5,576 at the 2020 census. Loudon is the home of New Hampshire Motor Speedway. The main village in town, where 711 people lived at the 2020 census, is defined as the Loudon census-designated place and is located along the Soucook River at the southern terminus of New Hampshire Route 129.

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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