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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Boothwyn PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. East wind around 5 mph.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 63. South wind around 5 mph becoming north after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers after 2pm. Mostly cloudy, with a high near 72. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 58. Northeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. East wind around 5 mph.
Sunday
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 63. South wind around 5 mph becoming north after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 72. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. Northeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Wednesday
A chance of showers before 8am. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boothwyn PA
 39.83°N 75.41°W (Elev. 46 ft)
Last Update:
4:09 pm EDT Sep 19, 2026
Forecast Valid:
2am EDT Sep 20, 2026-6pm EDT Sep 26, 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