Prompton, PA Weather & Growing Conditions
Today
81°F
Sunny
Sunny, with a high near 81. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 2 mph E | 0% |
| Tonight | 59°F | Mostly Cloudy then Patchy Fog | 2 mph SE | 0% |
| Wednesday | 80°F | Areas Of Fog then Chance Showers And Thunderstorms | 0 to 5 mph SE | 25% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 46% |
| Thursday | 84°F | Showers And Thunderstorms | 2 to 7 mph SW | 79% |
| Thursday Night | 68°F | Showers And Thunderstorms | 2 to 6 mph SW | 79% |
| Friday | 84°F | Showers And Thunderstorms Likely | 2 to 6 mph W | 68% |
| Friday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 5 mph SW | 68% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 1 to 7 mph W | 55% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph W | 55% |
| Sunday | 84°F | Mostly Sunny | 2 to 6 mph W | 14% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 16% |
| Monday | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph W | 35% |
| Monday Night | 64°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 8 mph W | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Prompton, PA
Last spring frost
May 14
First fall frost
Oct 1
Growing season
140 days
Hardiness zone
6a
Explore more for Prompton, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Pleasant Mt 1 W, Pa (10 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.