Jennerstown, PA Weather & Growing Conditions
Today
74°F
Partly Sunny
Partly sunny, with a high near 74. South wind 6 to 10 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Partly Sunny | 6 to 10 mph S | 1% |
| Tonight | 58°F | Light Rain | 7 to 10 mph S | 98% |
| Thursday | 68°F | Light Rain Likely | 5 to 10 mph SW | 65% |
| Thursday Night | 48°F | Mostly Cloudy | 5 mph SW | 4% |
| Friday | 61°F | Partly Sunny then Slight Chance Light Rain | 2 to 6 mph SW | 20% |
| Friday Night | 41°F | Chance Light Rain | 2 to 6 mph W | 43% |
| Saturday | 48°F | Chance Light Rain | 7 to 13 mph W | 44% |
| Saturday Night | 36°F | Chance Light Rain | 12 mph W | 39% |
| Sunday | 50°F | Slight Chance Light Rain then Partly Sunny | 13 mph W | 15% |
| Sunday Night | 34°F | Partly Cloudy | 12 mph W | 10% |
| Monday | 50°F | Mostly Sunny then Slight Chance Light Rain | 10 to 14 mph W | 16% |
| Monday Night | 35°F | Slight Chance Light Rain then Mostly Clear | 10 mph W | 16% |
| Tuesday | 55°F | Sunny | 12 to 15 mph W | 5% |
| Tuesday Night | 36°F | Partly Cloudy | 6 to 12 mph W | 3% |
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 Nov 4, 2026.