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

Today's forecast for Union shows a low of 15 degrees Fahrenheit. Mostly cloudy, with a low around 15.

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

The 7-day forecast for Union shows highs from 29 to 51 degrees and lows from 15 to 37 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Union, CT this week?

Yes, rain is possible in Union this week. Precipitation chances: Thursday (90% chance), Friday (80% chance), Saturday (30% chance), Sunday (30% chance).

How accurate is the Union weather forecast?

WeatherForYou provides highly accurate Union 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.

Union, CT Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

19°F
Feels Like 15°F

Humidity 65% Dew Point 10°F Wind WSW 3 MPH Barometer 31.12 in.

Report from a MADIS/MESONET weather station 0.9 mi. W of central Union
at 6:29 PM Mon, Dec 15, 2025

Point Forecast at a Glance

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

FriDec 19

80%

SatDec 20

SunDec 21

30%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 29°F to a high of 51°F by week's end. Unsettled weather expected with rain on most days, including one day with wintry mix.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 40°F and lows around 23°F.

This Date in Weather History

1945 - A record December snowstorm buried Buffalo, NY, under 36.6 inches of snow, with unofficial totals south of the city ranging up to 70 inches. Travel was brought to a halt by the storm.

Union, CT 7 Day Weather Forecast Details

Monday Dec 15

Night: Mostly cloudy, with a low around 15. Southwest wind 6 to 8 mph.

Tuesday Dec 16

Day: Sunny, with a high near 29. West wind around 6 mph.

Night: Partly cloudy, with a low around 20. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.

Wednesday Dec 17

Day: Mostly sunny, with a high near 39. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.

Night: Partly cloudy, with a low around 23. West wind 6 to 10 mph.

Thursday Dec 18

Day: Mostly sunny, with a high near 48. South wind 5 to 10 mph, with gusts as high as 21 mph.

Night: Rain, mainly after 8pm. Low around 37. Breezy, with a south wind 13 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.

Friday Dec 19

Day: Rain, mainly before noon. High near 51. Breezy, with a south wind 16 to 20 mph becoming west in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 80%.

Night: Partly cloudy, with a low around 19. West wind 13 to 16 mph, with gusts as high as 28 mph.

Saturday Dec 20

Day: Partly sunny, with a high near 33. West wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

Night: A chance of rain and snow. Mostly cloudy, with a low around 27. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

Sunday Dec 21

Day: A chance of rain. Partly sunny, with a high near 40. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

Night: Partly cloudy, with a low around 23. West wind around 10 mph.

Monday Dec 22

Day: Mostly sunny, with a high near 34. Northwest wind around 9 mph.

About Union, CT

Union is a town located in the northeastern part of Tolland County, Connecticut, United States and is part of the Northeastern Connecticut Planning Region and Last Green Valley National Heritage Corridor. The population was 785 at the 2020 census, making it the least populous town and municipality in Connecticut. Union includes the village of Mashapaug located in the Eastern Uplands at the Massachusetts state line. Union is located 33 miles (53 kilometers) northeast of the state capital, Hartford and 67 mi (108 km) southwest of Boston, as well as 153 mi (246 km) northeast of New York City.

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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