Pittsburgh, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pittsburgh, a city in Allegheny County, Pennsylvania.
Today
87°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 87. East wind 1 to 5 mph.
7-day forecast for Pittsburgh
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Patchy Fog then Sunny | 1 to 5 mph E | 0% |
| Tonight | 68°F | Partly Cloudy | 5 mph SE | 1% |
| Wednesday | 88°F | Partly Sunny then Scattered Showers And Thunderstorms | 2 to 6 mph SE | 28% |
| Wednesday Night | 70°F | Scattered Showers And Thunderstorms | 2 to 6 mph S | 50% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 3 to 8 mph SW | 71% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely | 2 to 7 mph SW | 71% |
| Friday | 86°F | Showers And Thunderstorms | 3 to 8 mph SW | 82% |
| Friday Night | 68°F | Showers And Thunderstorms | 3 to 7 mph SW | 82% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 54% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 54% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 20% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 22% |
| Monday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 8 to 13 mph SW | 36% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 49% |
Forecast source: National Weather Service (api.weather.gov) for Pittsburgh (40.440, -79.976). Updated through the day.
Growing snapshot for Pittsburgh
Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
6b
More local growing data for Pittsburgh: nearby ZIP 15219 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Allison Park
Arnold
Aspinwall
Avalon
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Baldwin
Bell Acres
Bellevue
Ben Avon
Ben Avon Heights
Bethel Park
Blaine Hill
Blawnox
Boston
Brackenridge
Braddock
Braddock Hills
Bradford Woods
Brentwood
Bridgeville
Buena Vista
Bunola
Carnegie
Carnot-Moon
Castle Shannon
Chalfant
Cheswick
Churchill
Clairton
Climate data from the nearest NOAA station, Pittsburgh Allegheny Co Ap, Pa (6.9 mi from Pittsburgh). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.