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

Meriden, Meriden Markham Municipal Airport (KMMK)

Lat: 41.51°NLon: 72.83°WElev: 102ft.

Overcast

37°F

3°C

Humidity 48%
Wind Speed NA
Barometer 30.50 in (1032.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 15 Mar 10:53 am EDT
Extended Forecast for

Haddam CT

  • Today

    Today: Partly sunny, with a high near 46. Light east wind becoming southeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly after 5am. Patchy fog after 2am. Temperature falling to near 36 by 8pm, then rising to around 45 during the remainder of the night. Southeast wind 6 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F⇑

    Partly Cloudy
    then Showers
    and Patchy
    Fog

  • Monday

    Monday: Intermittent showers and thunderstorms. Patchy fog before noon. Otherwise, cloudy, with a high near 60. Breezy, with a south wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.

    High: 60 °F

    Intermittent
    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: Periods of showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 38. Breezy, with a south wind 18 to 23 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 38 °F

    Heavy Rain
    and Breezy

  • Tuesday

    Tuesday: Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 40. West wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 40 °F

    Showers
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 39.

    High: 39 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 46. Light east wind becoming southeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Showers and possibly a thunderstorm, mainly after 5am. Patchy fog after 2am. Temperature falling to near 36 by 8pm, then rising to around 45 during the remainder of the night. Southeast wind 6 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Intermittent showers and thunderstorms. Patchy fog before noon. Otherwise, cloudy, with a high near 60. Breezy, with a south wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
Monday Night
Periods of showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 38. Breezy, with a south wind 18 to 23 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 40. West wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Increasing clouds, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 51.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Saturday
A chance of rain and snow. Partly sunny, with a high near 49. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Haddam CT
 41.46°N 72.5°W (Elev. 167 ft)
Last Update:
6:56 am EDT Mar 15, 2026
Forecast Valid:
11am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation