National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Meriden, Meriden Markham Municipal Airport (KMMK)

Lat: 41.51°NLon: 72.83°WElev: 102ft.

Light Rain

73°F

23°C

Humidity 96%
Wind Speed S 3 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 14 Jul 11:53 pm EDT
Extended Forecast for

Marion CT

Heat Advisory July 15, 11:00am until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after noon. Mostly cloudy, then gradually becoming sunny, with a high near 88. Heat index values as high as 96. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 71. Light southwest wind.

    Low: 71 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny and hot, with a high near 90. Heat index values as high as 102. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny and hot, with a high near 90. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers before 9pm. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 90. West wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 67. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after noon. Mostly cloudy, then gradually becoming sunny, with a high near 88. Heat index values as high as 96. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 71. Light southwest wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny and hot, with a high near 90. Heat index values as high as 102. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 90. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 9pm. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 90. West wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 67. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 86. Light and variable wind becoming northwest around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind 3 to 5 mph. Chance of precipitation is 40%.
Monday
A chance of showers. Mostly sunny, with a high near 84. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marion CT
 41.56°N 72.92°W (Elev. 187 ft)
Last Update:
2:03 pm EDT Jul 14, 2025
Forecast Valid:
12am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation