What is today's weather forecast for Thompson, CT?

Today's forecast for Thompson shows a high of 43 degrees and a low of 24 degrees Fahrenheit. Mostly sunny, with a high near 43.

What is the 7-day weather forecast for Thompson, CT?

The 7-day forecast for Thompson shows highs from 33 to 57 degrees and lows from 18 to 39 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Thompson, CT this week?

Yes, rain is possible in Thompson this week. Precipitation chances: Thursday (80% chance), Friday (90% chance), Tuesday (40% chance).

How accurate is the Thompson weather forecast?

WeatherForYou provides highly accurate Thompson 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.

Thompson, CT Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

25°F
Feels Like 19°F

Humidity 62% Dew Point 14°F Wind SSW 5 MPH Barometer 30.35 in.

Report from a MADIS/MESONET weather station 0.7 mi. WNW of central Thompson
at 4:59 AM Wed, Dec 17, 2025

Point Forecast at a Glance

WedDec 17

ThuDec 18

FriDec 19

90%

SatDec 20

SunDec 21

MonDec 22

TueDec 23

40%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures start near 43°F, reaching 57°F before cooling to 33°F, then recovering to 37°F by week's end. Some precipitation possible, including both rain and snow.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 41°F and lows around 24°F.

This Date in Weather History

1929 - An icestorm in western New York State resulted in much damage and hardship. A Buffalo report stated, "one was kept awake by the breaking limbs, which snapped off with a report much louder than a rifle shot."

Thompson, CT 7 Day Weather Forecast Details

Wednesday Dec 17

Day: Mostly sunny, with a high near 43. Southwest wind 10 to 13 mph, with gusts as high as 31 mph.

Night: Mostly clear, with a low around 24. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 23 mph.

Thursday Dec 18

Day: Mostly sunny, with a high near 50. Calm wind becoming south 5 to 8 mph in the afternoon.

Night: Rain, mainly after 1am. Low around 39. South wind 7 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Dec 19

Day: Rain, mainly before 3pm. High near 57. Breezy, with a south wind 14 to 21 mph becoming west in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%.

Night: A chance of rain before 8pm, then a slight chance of snow between 8pm and 9pm. Partly cloudy, with a low around 24. West wind around 16 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Saturday Dec 20

Day: Mostly sunny, with a high near 38. West wind 7 to 10 mph, with gusts as high as 20 mph.

Night: Mostly cloudy, with a low around 29. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

Sunday Dec 21

Day: Partly sunny, with a high near 44. West wind around 11 mph, with gusts as high as 22 mph.

Night: Partly cloudy, with a low around 23. West wind around 9 mph.

Monday Dec 22

Day: Sunny, with a high near 33. Northwest wind 7 to 9 mph.

Night: Partly cloudy, with a low around 18. Northwest wind 5 to 7 mph.

Tuesday Dec 23

Day: A chance of snow. Partly sunny, with a high near 37. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.

About Thompson, CT

Thompson is a town in Windham County, Connecticut, United States. The town is part of the Northeastern Connecticut Planning Region. The town was named after Sir Robert Thompson, an English landholder. The population was 9,189 at the 2020 census. Thompson is located in the northeastern corner of the state and is bordered on the north by Webster, Massachusetts and Dudley, Massachusetts, on the east by Douglas, Massachusetts and Burrillville, Rhode Island, on the west by Woodstock, Connecticut, and on the south by Putnam, Connecticut. Thompson has the highest-banked race track (Thompson Speedway Motorsports Park, a 5/8 mile oval and a restored 1.7 mile road course) in New England. This speedway holds one of the biggest race programs in New England, The World Series of Auto Racing, where 16 divisions and about 400 cars show up each fall. Another claim to fame is that the Tri-State Marker is located just on the border of Thompson. The term "Swamp Yankee" is thought to have originated in Thompson during the American Revolution in 1776. In colonial times, the town was the site of an Indian village, known as Maanexit. Thompson was the site of the Great East Thompson Train Wreck in 1891, one of the worst train wrecks in American history and the only one to involve four trains.

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.

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