Jermyn, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jermyn, a borough in Lackawanna County, Pennsylvania.
Tonight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. Northeast wind 2 to 6 mph.
7-day forecast for Jermyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Partly Cloudy | 2 to 6 mph NE | 0% |
| Saturday | 72°F | Mostly Sunny | 3 mph E | 1% |
| Saturday Night | 54°F | Mostly Cloudy then Rain Showers | 2 to 9 mph SE | 77% |
| Sunday | 67°F | Rain Showers | 6 to 9 mph S | 99% |
| Sunday Night | 54°F | Rain Showers | 7 mph NW | 97% |
| Monday | 68°F | Slight Chance Rain Showers | 7 mph NE | 22% |
| Monday Night | 48°F | Chance Rain Showers | 5 to 10 mph E | 32% |
| Tuesday | 61°F | Chance Rain Showers | 9 to 13 mph E | 35% |
| Tuesday Night | 45°F | Chance Rain Showers | 10 to 15 mph E | 35% |
| Wednesday | 60°F | Chance Rain Showers | 12 to 15 mph E | 31% |
| Wednesday Night | 45°F | Chance Showers And Thunderstorms | 14 mph E | 37% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 8 to 12 mph E | 37% |
| Thursday Night | 48°F | Chance Showers And Thunderstorms | 7 mph NE | 33% |
| Friday | 68°F | Slight Chance Rain Showers | 5 to 9 mph N | 24% |
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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Dunmore
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Glenburn
Gouldsboro
Jessup
Mayfield
Moosic
Moscow
Mount Cobb
Old Forge
Olyphant
Scranton
Simpson
Taylor
Throop
Waverly
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 Sep 19, 2026.