National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Oxford, Waterbury-Oxford Airport (KOXC)

Lat: 41.48°NLon: 73.13°WElev: 725ft.

Overcast

40°F

4°C

Humidity 77%
Wind Speed Calm
Barometer 29.73 in (1008.5 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 12 Nov 6:56 pm EST
Extended Forecast for

Harwinton CT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind around 7 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 46. West wind 7 to 11 mph, with gusts as high as 26 mph.

    High: 46 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. Northwest wind 6 to 8 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Northwest wind around 6 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Rain likely, mainly after 1am. Cloudy, with a low around 33. Chance of precipitation is 70%.

    Low: 33 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 1pm. Partly sunny, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind around 7 mph.
Thursday
Increasing clouds, with a high near 46. West wind 7 to 11 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 29. Northwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 43. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 25. Northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Rain likely, mainly after 1am. Cloudy, with a low around 33. Chance of precipitation is 70%.
Sunday
Rain likely, mainly before 1pm. Partly sunny, with a high near 51. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harwinton CT
 41.75°N 73.06°W (Elev. 801 ft)
Last Update:
7:18 pm EST Nov 12, 2025
Forecast Valid:
7pm EST Nov 12, 2025-6pm EST Nov 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation