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

82°F

28°C

Humidity 65%
Wind Speed SW 6 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 13 Jul 2:53 pm EDT
Extended Forecast for

Portland CT

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 69. South wind 5 to 7 mph becoming calm in the evening.

    Low: 69 °F

    Patchy Fog

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 84 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers. Partly sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.

    High: 87 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 71. Light south wind.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 73.

    Low: 73 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91.

    High: 91 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 69. South wind 5 to 7 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 71. Light south wind.
Wednesday
Partly sunny, with a high near 90.
Wednesday Night
Mostly cloudy, with a low around 73.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74.
Friday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 93.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 67.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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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 ft)
Last Update:
2:02 pm EDT Jul 13, 2025
Forecast Valid:
3pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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