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.

Fair

23°C

73°F

Humidity 84%
Wind Speed S 7 km/h
Barometer 1019.2 mb (30.10 in)
Dewpoint 20°C (68°F)
Visibility 16 km
Last update 12 Jul 8:53 pm EDT
Extended Forecast for

Portland CT

  • Tonight

    Tonight: Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °C

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 29. Light southeast wind becoming south 8 to 13 km/h in the afternoon.

    High: 29 °C

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 21. South wind 5 to 10 km/h becoming calm in the evening.

    Low: 21 °C

    Increasing
    Clouds

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 29. Calm wind becoming south 5 to 10 km/h in the morning. Chance of precipitation is 50%.

    High: 29 °C

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 30%.

    Low: 21 °C

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 33.

    High: 33 °C

    Sunny

  • Tuesday Night

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

    Low: 22 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 34.

    High: 34 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °C

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 19. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 29. Light southeast wind becoming south 8 to 13 km/h in the afternoon.
Sunday Night
Increasing clouds, with a low around 21. South wind 5 to 10 km/h becoming calm in the evening.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 29. Calm wind becoming south 5 to 10 km/h in the morning. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland CT
 41.57°N 72.62°W (Elev. 10 m)
Last Update:
6:14 pm EDT Jul 12, 2025
Forecast Valid:
9pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
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