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

Oxford, Waterbury-Oxford Airport (KOXC)

Lat: 41.48°NLon: 73.13°WElev: 725ft.

Overcast

58°F

14°C

Humidity 75%
Wind Speed NE 7 mph
Barometer 30.09 in (1020.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Apr 12:56 pm EDT
Extended Forecast for

Cornwall CT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 66. Southeast wind around 8 mph.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Mostly cloudy, with a low around 47. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers. High near 48. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Showers
    Likely then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 45. Northwest wind 5 to 8 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 66. Southeast wind around 8 mph.
Tonight
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 47. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers. High near 48. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 45. Northwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cornwall CT
 41.83°N 73.34°W (Elev. 997 ft)
Last Update:
8:37 am EDT Apr 18, 2026
Forecast Valid:
1pm EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
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