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

55°F

13°C

Humidity 72%
Wind Speed N 10 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 15 Oct 4:53 am EDT
Extended Forecast for

Portland CT

  • Today

    Today: Sunny, with a high near 62. North wind 5 to 9 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Patchy fog between 11pm and 2am. Otherwise, increasing clouds, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.

    Low: 46 °F

    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers before 2pm, then a chance of showers and thunderstorms after 5pm. High near 70. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 43. Southwest wind 6 to 13 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 51. North wind around 16 mph, with gusts as high as 28 mph.

    High: 51 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 62. North wind 5 to 9 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Patchy fog between 11pm and 2am. Otherwise, increasing clouds, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.
Friday
Showers before 2pm, then a chance of showers and thunderstorms after 5pm. High near 70. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 43. Southwest wind 6 to 13 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 51. North wind around 16 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland CT
 41.57°N 72.65°W (Elev. 16 ft)
Last Update:
1:55 am EDT Oct 15, 2026
Forecast Valid:
5am EDT Oct 15, 2026-6pm EDT Oct 21, 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