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Plymouth, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Plymouth, a borough in Luzerne County, Pennsylvania.

Today
83°F
Sunny
Sunny, with a high near 83. Wind around 0 mph.

7-day forecast for Plymouth

WhenTempForecastWindPrecip
Today 83°F Sunny 0 mph 0%
Tonight 62°F Mostly Cloudy 0 mph 0%
Wednesday 82°F Partly Sunny then Chance Showers And Thunderstorms 0 to 3 mph SE 45%
Wednesday Night 68°F Chance Showers And Thunderstorms 2 mph S 54%
Thursday 85°F Showers And Thunderstorms 1 to 6 mph SW 82%
Thursday Night 69°F Showers And Thunderstorms 0 to 3 mph SW 82%
Friday 85°F Showers And Thunderstorms Likely 0 to 5 mph SW 69%
Friday Night 67°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 2 mph W 69%
Saturday 83°F Showers And Thunderstorms Likely 1 to 5 mph W 55%
Saturday Night 66°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 3 mph SW 55%
Sunday 85°F Mostly Sunny 1 to 5 mph SW 14%
Sunday Night 68°F Mostly Clear 5 mph SW 14%
Monday 85°F Mostly Sunny then Chance Showers And Thunderstorms 2 to 7 mph W 27%
Monday Night 66°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 2 to 6 mph W 27%

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 Aug 4, 2026.