Hays, Pennsylvania Weather
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Weather Forecast for Hays, Pennsylvania : Allegheny County
Issued: 4:11 pm EDT Sep 4, 2025 Latitude: 40.3895137 Longitude: -79.9339397 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
70% chance of thunderstorms on This Afternoon 60% chance of thunderstorms on Tonight Mostly Cloudy on Friday 80% chance of thunderstorms on Saturday Mostly Sunny on Sunday Morning Fog on Monday Sunny on Tuesday Sunny on Wednesday
High: 68°F Low: 57°F High: 83°F High: 67°F High: 69°F High: 71°F High: 76°F High: 79°F
Low: 58°F Low: 50°F Low: 46°F Low: 46°F Low: 50°F  
Thunderstorms Thunderstorms Mostly Cloudy Thunderstorms Mostly Sunny Morning Fog Sunny Sunny
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
66°
Mostly Cloudy
Mist
as of 3:53 PM EDST
Rel. Humidity: 88%
Dew Point: 63°F
Visibility: 5 Miles
Pressure: 29.75 in.
Flight Rule: MVFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Scattered at 2000ft, Broken at 2400ft, Broken at 3100ft
Current Conditions at
PITTSBURGH - (KPIT)
61°
Cloudy
Rain Mist
as of 3:51 PM EDST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 6 Miles
Pressure: 29.76 in.
Flight Rule: IFR
Wind Data
6 MPH
270° West
Cloud Level(s): Broken at 900ft, Solid Overcast at 2400ft
Current Conditions at
WASHINGTON - (KAFJ)
70°
Mostly Cloudy
as of 3:56 PM EDST
Rel. Humidity: 73%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 21 MPH
230° Southwest
Cloud Level(s): Few at 2600ft, Scattered at 3700ft, Broken at 9000ft
Current Conditions at
BUTLER COUNTY - (KBTP)
63°
Cloudy
as of 4:08 PM EDST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: IFR
Wind Data
6 MPH
230° Southwest
Cloud Level(s): Broken at 600ft, Broken at 3400ft, Solid Overcast at 10000ft
70% chance of thunderstorms This Afternoon This Afternoon... Showers and thunderstorms likely. Cloudy, with a high near 68. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely before 7pm, then a chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 57. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 83. Southwest wind 7 to 14 mph, with gusts as high as 24 mph.
80% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 58. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
80% chance of thunderstorms Saturday Saturday... Showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers after 2pm. High near 67. West wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
30% chance of rain Saturday Night Saturday Night... A chance of showers before 8pm. Partly cloudy, with a low around 50. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 69.
Morning Fog on Sunday Night Sunday Night... Patchy fog after 4am. Otherwise, mostly clear, with a low around 46.
Morning Fog on Monday Monday... Patchy fog before 9am. Otherwise, sunny, with a high near 71.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 46.
Sunny on Tuesday Tuesday... Sunny, with a high near 76.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 50.
Sunny on Wednesday Wednesday... Sunny, with a high near 79.
Current Radar Image


Sun Almanac for Hays, Pennsylvania
Sunrise: 06:51 AM
Sunset: 7:47 PM
Civil Sunrise:06:23 AM
Civil Sunset: 8:14 PM
Nautical Sunrise: 05:50 AM
Nautical Sunset: 8:47 PM
Astro Sunrise: 05:16 AM
Astro Sunset: 9:22 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.