Plymouth, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plymouth, a borough in Luzerne County, Pennsylvania.
This Afternoon
71°F
Partly Sunny
Partly sunny, with a high near 71. South wind around 2 mph.
7-day forecast for Plymouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Partly Sunny | 2 mph S | 1% |
| Tonight | 57°F | Mostly Cloudy then Rain Showers | 2 to 8 mph SE | 78% |
| Sunday | 69°F | Rain Showers | 3 to 9 mph S | 100% |
| Sunday Night | 52°F | Showers And Thunderstorms then Mostly Cloudy | 3 to 10 mph N | 76% |
| Monday | 68°F | Mostly Cloudy | 5 to 9 mph NE | 4% |
| Monday Night | 48°F | Chance Rain Showers | 5 mph NE | 36% |
| Tuesday | 62°F | Chance Rain Showers | 5 mph NE | 36% |
| Tuesday Night | 46°F | Chance Rain Showers then Mostly Cloudy | 5 to 8 mph E | 27% |
| Wednesday | 61°F | Slight Chance Rain Showers | 8 mph E | 19% |
| Wednesday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 8 mph NE | 23% |
| Thursday | 60°F | Slight Chance Rain Showers | 5 to 8 mph NE | 23% |
| Thursday Night | 46°F | Chance Rain Showers | 7 mph NE | 30% |
| Friday | 64°F | Chance Rain Showers | 8 mph N | 30% |
| Friday Night | 47°F | Chance Rain Showers | 10 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov) for Plymouth (41.241, -75.952). Updated through the day.
Growing snapshot for Plymouth
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
178 days
Hardiness zone
6b
More local growing data for Plymouth: nearby ZIP 18651 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Wilkes-Barre Intl Ap, Pa (13.3 mi from Plymouth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.