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

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

A Few Clouds

70°F

21°C

Humidity 78%
Wind Speed NW 8 mph
Barometer 30.10 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 May 8:35 am EDT
Extended Forecast for

3 Miles NE Gap PA

  • Today

    Today: Mostly sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 91. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. South wind 7 to 9 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 92. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.

    High: 91 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Calm wind.
Monday
Sunny, with a high near 91. Calm wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67. South wind 7 to 9 mph.
Tuesday
Mostly sunny and hot, with a high near 92. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm. Low around 55. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Gap PA
 40.03°N 75.99°W (Elev. 479 ft)
Last Update:
8:01 am EDT May 17, 2026
Forecast Valid:
8am EDT May 17, 2026-6pm EDT May 23, 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