Bonnie Brook, Pennsylvania Weather
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Weather Forecast for Bonnie Brook, Pennsylvania : Butler County
Issued: 7:02 am EDT Sep 3, 2025 Latitude: 40.8664531 Longitude: -79.8292195 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on Today Cloudy on Tonight 100% chance of thunderstorms on Thursday Mostly Sunny on Friday 30% chance of rain on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 82°F Low: 56°F High: 70°F High: 80°F High: 69°F High: 70°F High: 73°F High: 74°F
Low: 50°F Low: 52°F Low: 44°F Low: 42°F Low: 46°F  
Sunny Cloudy Thunderstorms Mostly Sunny Rain Sunny Sunny Mostly Sunny
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Current Conditions at
BUTLER COUNTY - (KBTP)
54°
Mostly Clear
as of 7:56 AM EDST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 7500ft
Current Conditions at
PITTSBURGH - (KPIT)
55°
Mostly Clear
as of 7:51 AM EDST
Rel. Humidity: 76%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 7000ft, Few at 25000ft
Current Conditions at
FRANKLIN - (KFKL)
55°
Mostly Clear
as of 7:56 AM EDST
Rel. Humidity: 87%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
5 MPH
180° South
Cloud Level(s): Few at 7000ft
Sunny on Today Today... Sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the morning.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 56. South wind around 6 mph.
100% chance of thunderstorms Thursday Thursday... Showers, with thunderstorms also possible after 11am. High near 70. South wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
20% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 20%.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 80. Southwest wind 6 to 14 mph, with gusts as high as 25 mph.
40% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
30% chance of rain Saturday Saturday... A chance of showers before 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 44.
Sunny on Sunday Sunday... Sunny, with a high near 70.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 42.
Sunny on Monday Monday... Sunny, with a high near 73.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 46.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 74.
Current Radar Image


Sun Almanac for Bonnie Brook, Pennsylvania
Sunrise: 06:49 AM
Sunset: 7:48 PM
Civil Sunrise:06:21 AM
Civil Sunset: 8:16 PM
Nautical Sunrise: 05:47 AM
Nautical Sunset: 8:50 PM
Astro Sunrise: 05:13 AM
Astro Sunset: 9:24 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.