Jermyn, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jermyn, a borough in Lackawanna County, Pennsylvania.
This Afternoon
69°F
Partly Sunny
Partly sunny, with a high near 69. Southwest wind around 5 mph.
7-day forecast for Jermyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Partly Sunny | 5 mph SW | 5% |
| Tonight | 50°F | Partly Cloudy | 5 mph S | 3% |
| Wednesday | 74°F | Mostly Sunny | 3 to 10 mph S | 2% |
| Wednesday Night | 58°F | Mostly Cloudy then Chance Rain Showers | 6 to 9 mph S | 34% |
| Thursday | 71°F | Rain Showers | 7 to 10 mph S | 93% |
| Thursday Night | 56°F | Chance Rain Showers | 1 to 6 mph SW | 45% |
| Friday | 69°F | Chance Rain Showers | 2 mph W | 52% |
| Friday Night | 47°F | Chance Light Rain | 1 mph NW | 52% |
| Saturday | 62°F | Chance Light Rain | 2 to 8 mph NW | 29% |
| Saturday Night | 39°F | Chance Light Rain | 8 mph NW | 29% |
| Sunday | 58°F | Partly Sunny | 8 mph W | 13% |
| Sunday Night | 35°F | Slight Chance Light Rain | 8 mph W | 20% |
| Monday | 57°F | Chance Light Rain | 8 to 16 mph NW | 29% |
| Monday Night | 35°F | Chance Light Rain | 9 mph W | 29% |
Forecast source: National Weather Service (api.weather.gov) for Jermyn (41.527, -75.545). Updated through the day.
Growing snapshot for Jermyn
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
178 days
Hardiness zone
6a
More local growing data for Jermyn: nearby ZIP 18403 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Wilkes-Barre Intl Ap, Pa (15.7 mi from Jermyn). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.