Jennerstown, PA Weather & Growing Conditions
Overnight
52°F
Patchy Fog
Patchy fog before 5am. Partly cloudy, with a low around 52. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Patchy Fog | 2 mph E | 1% |
| Saturday | 72°F | Partly Sunny | 2 to 7 mph SE | 3% |
| Saturday Night | 59°F | Mostly Cloudy then Chance Rain Showers | 6 to 10 mph SE | 48% |
| Sunday | 73°F | Showers And Thunderstorms | 8 mph SW | 95% |
| Sunday Night | 56°F | Showers And Thunderstorms | 5 mph N | 95% |
| Monday | 65°F | Chance Rain Showers | 3 to 8 mph E | 47% |
| Monday Night | 52°F | Rain Showers Likely | 8 to 12 mph E | 71% |
| Tuesday | 59°F | Showers And Thunderstorms Likely | 14 mph SE | 73% |
| Tuesday Night | 48°F | Showers And Thunderstorms Likely | 16 mph E | 71% |
| Wednesday | 57°F | Showers And Thunderstorms Likely | 15 mph SE | 65% |
| Wednesday Night | 48°F | Showers And Thunderstorms Likely | 10 to 14 mph SE | 56% |
| Thursday | 59°F | Chance Showers And Thunderstorms | 9 mph E | 49% |
| Thursday Night | 48°F | Chance Rain Showers | 2 to 7 mph E | 32% |
| Friday | 64°F | Slight Chance Rain Showers | 2 to 7 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 (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.