Willow Grove, Pennsylvania Weather
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Weather Forecast for Willow Grove, Pennsylvania : Lawrence County
Issued: 4:11 pm EDT Sep 4, 2025 Latitude: 40.9533947 Longitude: -80.3828432 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
20% chance of rain on Tonight Mostly Cloudy on Friday 50% chance of rain on Saturday Morning Fog on Sunday Morning Fog on Monday Morning Fog on Tuesday Patchy Fog on Wednesday Patchy Fog on Thursday
Low: 52°F High: 82°F High: 68°F High: 68°F High: 70°F High: 75°F High: 80°F High: 79°F
Low: 53°F Low: 45°F Low: 42°F Low: 41°F Low: 46°F Low: 50°F  
Rain Mostly Cloudy Rain Morning Fog Morning Fog Morning Fog Patchy Fog Patchy Fog
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Current Conditions at
BUTLER COUNTY - (KBTP)
61°
Cloudy
as of 6:38 PM EDST
Rel. Humidity: 100%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 2900ft, Solid Overcast at 4300ft
20% chance of rain Tonight Tonight... A slight chance of showers between 9pm and 10pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 52. Light and variable wind. Chance of precipitation is 20%.
Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 5 to 14 mph, with gusts as high as 25 mph.
70% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely. Patchy fog after 2am. Otherwise, increasing clouds, with a low around 53. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
50% chance of rain Saturday Saturday... A chance of showers, mainly before 2pm. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 68. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Fog on Saturday Night Saturday Night... Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 45. Calm wind.
Morning Fog on Sunday Sunday... Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68.
Morning Fog on Sunday Night Sunday Night... Patchy fog after 2am. Otherwise, mostly clear, with a low around 42.
Morning Fog on Monday Monday... Areas of fog before 9am. Otherwise, sunny, with a high near 70.
Morning Fog on Monday Night Monday Night... Patchy fog after 4am. Otherwise, mostly clear, with a low around 41.
Morning Fog on Tuesday Tuesday... Patchy fog before 9am. Otherwise, sunny, with a high near 75.
Patchy Fog on Tuesday Night Tuesday Night... Patchy fog. Otherwise, mostly clear, with a low around 46.
Patchy Fog on Wednesday Wednesday... Patchy fog. Otherwise, sunny, with a high near 80.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 50.
Patchy Fog on Thursday Thursday... Patchy fog. Otherwise, mostly sunny, with a high near 79.
Sun Almanac for Willow Grove, Pennsylvania
Sunrise: 06:52 AM
Sunset: 7:49 PM
Civil Sunrise:06:24 AM
Civil Sunset: 8:17 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 8:50 PM
Astro Sunrise: 05:16 AM
Astro Sunset: 9:25 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.