Jennerstown, PA Weather & Growing Conditions
This Afternoon
73°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 73. Southeast wind around 6 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Slight Chance Rain Showers | 6 mph SE | 15% |
| Tonight | 61°F | Showers And Thunderstorms | 6 to 9 mph S | 82% |
| Sunday | 75°F | Showers And Thunderstorms | 5 to 9 mph SW | 94% |
| Sunday Night | 53°F | Showers And Thunderstorms Likely | 6 mph N | 66% |
| Monday | 66°F | Chance Rain Showers | 7 mph E | 45% |
| Monday Night | 51°F | Showers And Thunderstorms Likely | 7 to 12 mph E | 73% |
| Tuesday | 61°F | Showers And Thunderstorms Likely | 14 mph E | 73% |
| Tuesday Night | 48°F | Rain Showers Likely | 15 to 18 mph SE | 68% |
| Wednesday | 56°F | Rain Showers Likely | 14 to 17 mph SE | 68% |
| Wednesday Night | 47°F | Chance Rain Showers | 13 to 17 mph SE | 37% |
| Thursday | 59°F | Chance Rain Showers | 8 to 13 mph E | 37% |
| Thursday Night | 46°F | Slight Chance Rain Showers | 3 to 8 mph E | 22% |
| Friday | 64°F | Slight Chance Rain Showers | 3 to 7 mph NE | 19% |
| Friday Night | 45°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 6 mph N | 16% |
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 (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.