Jennerstown, PA Weather & Growing Conditions
Today
72°F
Partly Sunny
Partly sunny, with a high near 72. Southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Partly Sunny | 7 mph SE | 4% |
| Tonight | 59°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 8 mph S | 41% |
| Sunday | 72°F | Showers And Thunderstorms | 5 to 9 mph SW | 95% |
| Sunday Night | 51°F | Showers And Thunderstorms | 6 mph N | 95% |
| Monday | 63°F | Chance Rain Showers | 5 to 8 mph E | 32% |
| Monday Night | 48°F | Showers And Thunderstorms Likely | 10 mph E | 73% |
| Tuesday | 57°F | Showers And Thunderstorms Likely | 10 to 15 mph SE | 73% |
| Tuesday Night | 45°F | Rain Showers Likely | 16 mph E | 60% |
| Wednesday | 54°F | Rain Showers Likely | 16 mph SE | 60% |
| Wednesday Night | 45°F | Rain Showers Likely | 10 to 15 mph SE | 59% |
| Thursday | 59°F | Rain Showers Likely | 10 mph E | 57% |
| Thursday Night | 45°F | Chance Showers And Thunderstorms | 2 to 9 mph E | 41% |
| Friday | 63°F | Slight Chance Rain Showers | 2 to 7 mph NE | 22% |
| Friday Night | 44°F | Slight Chance Rain Showers | 1 to 6 mph NE | 22% |
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 (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.