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

74°F

23°C

Humidity 56%
Wind Speed Vrbl 3 mph
Barometer 30.16 in (1021.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Jun 12:53 pm EDT
Extended Forecast for

Portland CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 72. Southeast wind around 7 mph.

    High: 72 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of light rain after 2am. Mostly cloudy, with a low around 60. Southeast wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Cloudy
    then Slight
    Chance Light
    Rain

  • Tuesday

    Tuesday: A slight chance of light rain before 8am, then a chance of showers after 2pm. Cloudy, with a high near 72. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 72 °F

    Cloudy then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Southwest wind 3 to 7 mph.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

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

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 72. Southeast wind around 7 mph.
Tonight
A 20 percent chance of light rain after 2am. Mostly cloudy, with a low around 60. Southeast wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of light rain before 8am, then a chance of showers after 2pm. Cloudy, with a high near 72. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.
Tuesday Night
A 50 percent chance of showers. Cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Southwest wind 3 to 7 mph.
Wednesday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Juneteenth
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. Partly cloudy, with a low around 65.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland CT
 41.57°N 72.65°W (Elev. 16 ft)
Last Update:
11:11 am EDT Jun 16, 2025
Forecast Valid:
12pm EDT Jun 16, 2025-6pm EDT Jun 22, 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