Pittsburgh, PA Weather & Growing Conditions
Tonight
59°F
Partly Cloudy
Partly cloudy, with a low around 59. Northeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy | 6 mph NE | 10% |
| Saturday | 80°F | Partly Sunny | 5 mph E | 6% |
| Saturday Night | 66°F | Mostly Cloudy then Showers And Thunderstorms Likely | 5 mph SE | 60% |
| Sunday | 79°F | Showers And Thunderstorms | 8 mph SW | 95% |
| Sunday Night | 60°F | Showers And Thunderstorms | 8 mph N | 95% |
| Monday | 70°F | Chance Rain Showers | 10 mph NE | 39% |
| Monday Night | 59°F | Showers And Thunderstorms Likely | 12 mph E | 61% |
| Tuesday | 67°F | Showers And Thunderstorms Likely | 13 mph E | 69% |
| Tuesday Night | 56°F | Showers And Thunderstorms Likely | 12 to 15 mph E | 69% |
| Wednesday | 65°F | Showers And Thunderstorms Likely | 14 mph E | 65% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 8 to 13 mph E | 52% |
| Thursday | 66°F | Chance Rain Showers | 9 mph E | 40% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 3 to 8 mph NE | 19% |
| Friday | 71°F | Partly Sunny | 5 to 8 mph N | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Pittsburgh, PA
Last spring frost
Apr 24
First fall frost
Oct 27
Growing season
186 days
Hardiness zone
7a
Explore more for Pittsburgh, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Emsworth L/D Ohio Rvr, Pa (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.