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 62%
Wind Speed N 3 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 5 Sep 4:53 pm EDT
Extended Forecast for

Portland CT

  • This Afternoon

    This Afternoon: Showers likely. Mostly cloudy, with a steady temperature around 76. North wind around 6 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Light east wind. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 73. Calm wind becoming north around 6 mph in the afternoon.

    High: 73 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 78. Calm wind becoming north 5 to 8 mph in the morning.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers likely. Mostly cloudy, with a steady temperature around 76. North wind around 6 mph. Chance of precipitation is 60%.
Tonight
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Light east wind. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 73. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 50. Calm wind.
Labor Day
Sunny, with a high near 78. Calm wind becoming north 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 75.
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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:
4:05 pm EDT Sep 5, 2026
Forecast Valid:
5pm EDT Sep 5, 2026-6pm EDT Sep 12, 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