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

Hazardous Weather Conditions

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Unknown Precip

28°F

-2°C

Humidity 77%
Wind Speed NW 18 G 25 mph
Barometer 29.88 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 24 Feb 1:55 am EST
Extended Forecast for

Chatham PA

  • Overnight

    Overnight: Areas of blowing snow. Partly cloudy, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Areas Blowing
    Snow

  • Tuesday

    Tuesday: Areas of blowing snow before 3pm. Sunny, with a high near 29. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Areas Blowing
    Snow

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Increasing clouds, with a low around 21. Light southwest wind becoming south 5 to 10 mph in the evening. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Partly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 10am, then a chance of rain between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind 10 to 15 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow before 10am, then rain and snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain and snow likely, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of blowing snow. Partly cloudy, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Areas of blowing snow before 3pm. Sunny, with a high near 29. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of snow after 1am. Increasing clouds, with a low around 21. Light southwest wind becoming south 5 to 10 mph in the evening. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 10am, then a chance of rain between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind 10 to 15 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming northwest after midnight.
Thursday
A chance of snow before 10am, then rain and snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain and snow likely, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chatham PA
 39.85°N 75.81°W (Elev. 400 ft)
Last Update:
4:58 pm EST Feb 23, 2026
Forecast Valid:
2am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation