Jennerstown, PA Weather & Growing Conditions
Today
81°F
Sunny
Sunny, with a high near 81. Southeast wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 2 to 6 mph SE | 0% |
| Tonight | 63°F | Partly Cloudy | 2 to 7 mph SE | 3% |
| Wednesday | 81°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph S | 36% |
| Wednesday Night | 66°F | Showers And Thunderstorms Likely | 2 to 6 mph S | 56% |
| Thursday | 81°F | Showers And Thunderstorms | 2 to 7 mph SW | 84% |
| Thursday Night | 66°F | Showers And Thunderstorms | 5 mph SW | 84% |
| Friday | 81°F | Showers And Thunderstorms | 2 to 7 mph SW | 83% |
| Friday Night | 64°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 83% |
| Saturday | 79°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 48% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 2 to 6 mph W | 48% |
| Sunday | 81°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph W | 24% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph SW | 24% |
| Monday | 82°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 12 mph W | 33% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 to 9 mph W | 43% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jennerstown, PA
Last spring frost
May 6
First fall frost
Oct 12
Growing season
159 days
Hardiness zone
6a
Explore more for Jennerstown, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Laurel Summit, Pa (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.