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.

Partly Cloudy

71°F

22°C

Humidity 90%
Wind Speed Calm
Barometer 29.86 in (1011.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 30 Jul 8:53 pm EDT
Extended Forecast for

Haddam CT

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. Light and variable wind becoming northwest around 6 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. South wind 3 to 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 62. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. Light and variable wind becoming northwest around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 67. South wind 3 to 5 mph.
Sunday
Mostly cloudy, with a high near 80.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 67.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Haddam CT
 41.44°N 72.5°W (Elev. 420 ft)
Last Update:
3:41 pm EDT Jul 30, 2026
Forecast Valid:
9pm EDT Jul 30, 2026-6pm EDT Aug 6, 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