Swissvale, PA Weather & Growing Conditions
Today
87°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 87. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Patchy Fog then Sunny | 5 mph E | 0% |
| Tonight | 68°F | Mostly Clear | 2 to 6 mph E | 1% |
| Wednesday | 88°F | Partly Sunny then Isolated Showers And Thunderstorms | 2 to 6 mph S | 22% |
| Wednesday Night | 69°F | Scattered Showers And Thunderstorms | 2 to 6 mph S | 50% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 3 to 8 mph SW | 72% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely | 3 to 7 mph SW | 72% |
| 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 | 21% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 23% |
| Monday | 88°F | Chance Showers And Thunderstorms | 8 to 13 mph SW | 37% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 6 to 10 mph SW | 49% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Swissvale, PA
Last spring frost
Apr 5
First fall frost
Nov 10
Growing season
219 days
Hardiness zone
6b
Explore more for Swissvale, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Braddock Lock 2, Pa (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.