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.

A Few Clouds

73°F

23°C

Humidity 96%
Wind Speed Calm
Barometer 30.04 in (1016.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 7 Aug 11:53 pm EDT
Extended Forecast for

Haddam CT

  • Overnight

    Overnight: A 30 percent chance of showers before 2am. Mostly cloudy, with a steady temperature around 75. Calm wind.

    Low: 75 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Calm wind. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 88. Heat index values as high as 96. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers before 2am. Mostly cloudy, with a steady temperature around 75. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the morning.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Calm wind. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 88. Heat index values as high as 96. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 66. Calm wind.
Monday
Sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 66.
Wednesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 83.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 66.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 80.
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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:
8:49 pm EDT Aug 7, 2026
Forecast Valid:
12am EDT Aug 8, 2026-6pm EDT Aug 14, 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