Current conditions at
Pittsburgh/Butler Regional Airport (KBTP)
Lat: 40.78°NLon: 79.96°WElev: 1248ft.
A Few Clouds
79°F
26°C
| Humidity | 62% |
| Wind Speed | W 8 mph |
| Barometer | 29.97 in (1014.8 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 19 Aug 5:56 pm EDT |
Extended Forecast for
Renfrew PA
Tonight
Low: 60 °F
Slight Chance
T-storms then
Chance
Showers and
Patchy FogThursday
High: 77 °F
Showers
Likely and
Patchy Fog
then Chance
ShowersThursday Night
Low: 55 °F
Mostly Clear
then Dense
FogFriday
High: 80 °F
Patchy Fog
then SunnyFriday Night

Low: 59 °F
Partly Cloudy
Saturday
High: 80 °F
Partly Sunny
then Chance
T-stormsSaturday Night

Low: 59 °F
Chance
T-stormsSunday

High: 77 °F
Chance
ShowersSunday Night

Low: 54 °F
Partly Cloudy
Detailed Forecast
Tonight
A slight chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 60. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 77. Light northeast wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Widespread dense fog, mainly between 1am and 5am. Otherwise, mostly clear, with a low around 55. Light northeast wind.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 80. East wind around 6 mph.
Friday Night
Partly cloudy, with a low around 59. Light southeast wind.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Renfrew PA
40.81°N 79.99°W (Elev. 1152 ft)
40.81°N 79.99°W (Elev. 1152 ft)
5:21 pm EDT Aug 19, 2026
6pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026


