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

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

41°F

5°C

Humidity 79%
Wind Speed S 9 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 35°F (2°C)
Visibility 9.00 mi
Wind Chill35°F (2°C)
Last update 17 Feb 4:54 pm EST
Extended Forecast for

Wallingford PA

Dense Fog Advisory February 17, 10:00pm until February 18, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Widespread dense fog, mainly after 10pm. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Dense Fog

  • Wednesday

    Wednesday: A chance of rain, mainly between 2pm and 5pm. Widespread dense fog, mainly before 11am. Otherwise, cloudy, with a high near 48. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    and Dense Fog

  • Wednesday Night

    Wednesday Night: A slight chance of rain between 7pm and 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 38. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: A chance of rain after 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 42. Northeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Patchy Fog
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 38. East wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 49. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Widespread dense fog, mainly after 10pm. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Wednesday
A chance of rain, mainly between 2pm and 5pm. Widespread dense fog, mainly before 11am. Otherwise, cloudy, with a high near 48. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of rain between 7pm and 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 38. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 20%.
Thursday
A chance of rain after 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 42. Northeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely. Cloudy, with a low around 38. East wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 49. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A chance of rain before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 50.
Saturday Night
A chance of rain after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Sunday
Rain and snow likely, mainly after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Monday
Mostly cloudy, with a high near 37.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wallingford PA
 39.87°N 75.38°W (Elev. 98 ft)
Last Update:
4:19 pm EST Feb 17, 2026
Forecast Valid:
5pm EST Feb 17, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation