Jermyn, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jermyn, a borough in Lackawanna County, Pennsylvania.
Today
85°F
Areas Of Fog then Sunny
Areas of fog before 9am. Sunny, with a high near 85. West wind around 1 mph.
7-day forecast for Jermyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Areas Of Fog then Sunny | 1 mph W | 0% |
| Tonight | 62°F | Mostly Cloudy | 1 mph SE | 0% |
| Wednesday | 84°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 34% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 5 mph S | 46% |
| Thursday | 87°F | Showers And Thunderstorms | 2 to 7 mph SW | 76% |
| Thursday Night | 68°F | Showers And Thunderstorms | 2 to 6 mph SW | 76% |
| Friday | 87°F | Showers And Thunderstorms Likely | 1 to 6 mph W | 68% |
| Friday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 5 mph SW | 68% |
| Saturday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 7 mph SW | 53% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 53% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph W | 15% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 16% |
| Monday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 10 mph W | 36% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 3 to 9 mph W | 36% |
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
Nearby towns & communities
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Old Forge
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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 Aug 4, 2026.