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

62°F

17°C

Humidity 52%
Wind Speed Vrbl 3 mph
Barometer 30.48 in (1031.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 10 Oct 11:53 am EDT
Extended Forecast for

Portland CT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 66. Light north wind.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain after 2pm. High near 63. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Mostly Cloudy
    then Rain

  • Sunday Night

    Sunday Night: Rain, with thunderstorms also possible after 11pm. Low around 55. East wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Rain

  • Columbus Day

    Columbus Day: Rain likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 70. North wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Rain Likely
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely before 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 66. Light north wind.
Tonight
Partly cloudy, with a low around 44. Calm wind.
Sunday
Rain after 2pm. High near 63. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, with thunderstorms also possible after 11pm. Low around 55. East wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Columbus Day
Rain likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 70. North wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Showers likely after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 60%.
Tuesday Night
Showers likely before 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 45.
Friday
A 30 percent chance of showers. Mostly cloudy, 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 72.62°W (Elev. 10 ft)
Last Update:
2:11 am EDT Oct 10, 2026
Forecast Valid:
12pm EDT Oct 10, 2026-6pm EDT Oct 16, 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