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

Hazardous Weather Conditions

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Partly Cloudy

89°F

32°C

Humidity 45%
Wind Speed W 8 G 16 mph
Barometer 29.97 in (1014.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 20 May 2:54 pm EDT
Extended Forecast for

3 Miles WNW Chester Springs PA

Severe T-storm Watch until May 20, 09:00pm
Heat Advisory May 20, 03:44pm until May 20, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
Heat Advisory
  •  
    Severe T-storm Watch until May 20, 09:00pm
    Heat Advisory May 20, 03:44pm until May 20, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 90 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a chance of showers. Some of the storms could be severe. Low around 52. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then showers likely. High near 61. Northeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 50. East wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Decreasing
    Clouds

  • Friday

    Friday: A chance of showers after 2pm. Partly sunny, with a high near 64. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly after 8pm. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: Showers. High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. High near 90. West wind around 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 2am, then a chance of showers. Some of the storms could be severe. Low around 52. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm before 1pm, then showers likely. High near 61. Northeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 50. East wind around 5 mph becoming calm in the evening.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 64. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers, mainly after 8pm. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers. High near 57. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 48. Chance of precipitation is 90%.
Sunday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Cloudy, with a low around 55. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Chester Springs PA
 40.11°N 75.71°W (Elev. 499 ft)
Last Update:
2:29 pm EDT May 20, 2026
Forecast Valid:
3pm EDT May 20, 2026-6pm EDT May 27, 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