Greensburg, PA Weather & Growing Conditions
This Afternoon
73°F
Partly Sunny
Partly sunny, with a high near 73. South wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Partly Sunny | 0 to 5 mph S | 13% |
| Tonight | 64°F | Showers And Thunderstorms | 5 to 8 mph S | 85% |
| Sunday | 77°F | Showers And Thunderstorms | 8 to 13 mph SW | 95% |
| Sunday Night | 55°F | Showers And Thunderstorms Likely | 10 mph N | 58% |
| Monday | 70°F | Chance Rain Showers | 12 mph NE | 38% |
| Monday Night | 54°F | Showers And Thunderstorms Likely | 13 mph E | 66% |
| Tuesday | 65°F | Showers And Thunderstorms Likely | 13 to 20 mph E | 68% |
| Tuesday Night | 51°F | Rain Showers Likely | 17 to 21 mph E | 68% |
| Wednesday | 61°F | Rain Showers Likely | 21 mph E | 68% |
| Wednesday Night | 50°F | Chance Rain Showers | 13 to 20 mph E | 45% |
| Thursday | 64°F | Chance Rain Showers | 12 to 15 mph E | 45% |
| Thursday Night | 48°F | Slight Chance Rain Showers | 5 to 12 mph E | 16% |
| Friday | 68°F | Slight Chance Rain Showers | 5 to 10 mph NE | 15% |
| Friday Night | 48°F | Partly Cloudy | 3 to 10 mph NE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Greensburg, PA
Last spring frost
May 1
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
6b
Explore more for Greensburg, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Mt Pleasant, Pa (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.