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.

Fair

68°F

20°C

Humidity 33%
Wind Speed SW 10 G 21 mph
Barometer 30.04 in (1018.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 30 Mar 2:56 pm EDT
Extended Forecast for

Cornwall CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 65. Southwest wind around 9 mph, with gusts as high as 21 mph.

    High: 65 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 52. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 69. Southwest wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind around 6 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 66. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Cloudy, with a high near 49. Chance of precipitation is 40%.

    High: 49 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain. Cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: A chance of rain after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.

    High: 67 °F

    Cloudy then
    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 65. Southwest wind around 9 mph, with gusts as high as 21 mph.
Tonight
A chance of showers, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 52. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 69. Southwest wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind around 6 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 66. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers. Cloudy, with a high near 49. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Cloudy, with a low around 40. Chance of precipitation is 30%.
Friday
A chance of rain after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Saturday
A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Sunday
Rain likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Cornwall CT
 41.85°N 73.33°W (Elev. 797 ft)
Last Update:
2:49 pm EDT Mar 30, 2026
Forecast Valid:
2pm EDT Mar 30, 2026-6pm EDT Apr 5, 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