Prospect, PA Weather & Growing Conditions
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. South wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 2 mph S | 1% |
| Wednesday | 75°F | Partly Sunny then Chance Light Rain | 1 to 9 mph S | 33% |
| Wednesday Night | 58°F | Light Rain | 10 mph S | 94% |
| Thursday | 67°F | Mostly Sunny | 6 to 12 mph SW | 10% |
| Thursday Night | 44°F | Partly Cloudy | 5 mph SW | 0% |
| Friday | 61°F | Partly Sunny then Slight Chance Light Rain | 2 to 7 mph SW | 17% |
| Friday Night | 39°F | Chance Light Rain | 3 to 8 mph W | 47% |
| Saturday | 52°F | Chance Light Rain | 10 mph W | 40% |
| Saturday Night | 33°F | Chance Light Rain | 8 mph W | 33% |
| Sunday | 53°F | Partly Sunny | 6 to 10 mph W | 8% |
| Sunday Night | 31°F | Partly Cloudy | 7 mph W | 7% |
| Monday | 54°F | Slight Chance Light Rain | 7 to 10 mph W | 16% |
| Monday Night | 32°F | Slight Chance Light Rain then Mostly Clear | 3 to 7 mph SW | 16% |
| Tuesday | 59°F | Mostly Sunny | 8 to 12 mph SW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Prospect, PA
Last spring frost
May 7
First fall frost
Oct 14
Growing season
159 days
Hardiness zone
6a
Explore more for Prospect, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Butler 2 Sw, Pa (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.