HTTP/1.1 200 OK Server: Apache X-Content-Type-Options: nosniff X-XSS-Protection: 1; mode=block Content-Security-Policy: default-src 'none'; style-src 'self' code.jquery.com *.arcgis.com cdn.jsdelivr.net 'unsafe-inline'; script-src-elem 'self' https://*.weather.gov cdn.gov.cfigroup.com *.digitalgov.gov *.google-analytics.com *.arcgis.com code.jquery.com www.googletagmanager.com s.go-mpulse.net 'unsafe-inline'; img-src 'self' data: *.ncep.noaa.gov *.noaa.gov *.weather.gov *.arcgisonline.com *.arcgis.com maps.google.com; connect-src 'self' *.google-analytics.com *.arcgis.com opengeo.ncep.noaa.gov *.weather.gov; font-src 'self' cdn.jsdelivr.net; script-src 'unsafe-eval' 'unsafe-inline' Referrer-Policy: strict-origin-when-cross-origin Strict-Transport-Security: max-age=31536000; includeSubdomains; preload; Access-Control-Allow-Origin: * Content-Type: text/html; charset=UTF-8 Cache-Control: max-age=900 Expires: Fri, 05 Dec 2025 07:27:36 GMT Date: Fri, 05 Dec 2025 07:12:36 GMT Transfer-Encoding: chunked Connection: keep-alive Connection: Transfer-Encoding National Weather Service
National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 39.97°N 75.27°W (Text-Only)
NWS Forecast for: Upper Darby PA
Issued by: National Weather Service Philadelphia, PA
Last Update: 9:44 pm EST Dec 4, 2025		Print

  • Overnight

    Overnight: Mostly cloudy, with a low around 20. Northeast wind around 5 mph.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow between 10am and 3pm. Mostly cloudy, with a high near 32. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

    High: 32 °F

    Slight Chance
    Snow

  • Friday
    Night

    Friday Night: A slight chance of snow. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 42. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 42 °F

    Partly Sunny

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 27. West wind around 5 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

    • Overnight: Mostly cloudy, with a low around 20. Northeast wind around 5 mph.

    Friday: A slight chance of snow between 10am and 3pm. Mostly cloudy, with a high near 32. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

    Friday Night: A slight chance of snow. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 20%.

    Saturday: Partly sunny, with a high near 42. Calm wind becoming southwest around 5 mph in the afternoon.

    Saturday Night: Partly cloudy, with a low around 27. West wind around 5 mph.

    Sunday: Partly sunny, with a high near 41.

    Sunday Night: Mostly cloudy, with a low around 26.

    Monday: Sunny, with a high near 33.

    Monday Night: Mostly clear, with a low around 17.

    Tuesday: Partly sunny, with a high near 36.

    Tuesday Night: Mostly cloudy, with a low around 29.

    Wednesday: Mostly cloudy, with a high near 42.

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.

    Thursday: A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.


    Upper Darby PA
     39.97°N 75.27°W (Elev. 112 ft)

    Visit your local NWS office at: https://www.weather.gov/phi/