Jerome, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jerome, a community in Somerset County, Pennsylvania.
Overnight
48°F
Mostly Clear
Mostly clear, with a low around 48. South wind around 2 mph.
7-day forecast for Jerome
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Mostly Clear | 2 mph S | 0% |
| Wednesday | 72°F | Patchy Fog then Partly Sunny | 1 to 12 mph S | 1% |
| Wednesday Night | 57°F | Light Rain | 6 to 10 mph S | 98% |
| Thursday | 68°F | Light Rain Likely | 5 to 12 mph SW | 62% |
| Thursday Night | 46°F | Mostly Cloudy | 5 mph SW | 4% |
| Friday | 61°F | Partly Sunny then Slight Chance Light Rain | 1 to 6 mph W | 16% |
| Friday Night | 39°F | Chance Light Rain | 1 to 5 mph W | 36% |
| Saturday | 49°F | Chance Light Rain | 6 to 13 mph W | 41% |
| Saturday Night | 32°F | Chance Light Rain | 7 to 12 mph W | 39% |
| Sunday | 50°F | Slight Chance Light Rain | 9 to 13 mph W | 15% |
| Sunday Night | 30°F | Partly Cloudy | 7 to 10 mph W | 10% |
| Monday | 50°F | Mostly Sunny then Slight Chance Light Rain | 8 to 14 mph W | 16% |
| Monday Night | 32°F | Slight Chance Light Rain then Mostly Clear | 8 mph W | 16% |
| Tuesday | 55°F | Sunny | 8 to 15 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov) for Jerome (40.214, -78.981). Updated through the day.
Growing snapshot for Jerome
Last spring frost
May 6
First fall frost
Oct 12
Growing season
159 days
Hardiness zone
6a
More local growing data for Jerome: nearby ZIP 15937 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Laurel Summit, Pa (9 mi from Jerome). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.