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Clarksville, PA Weather & Growing Conditions

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

Overnight
58°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 58. North wind around 2 mph.

7-day forecast for Clarksville

WhenTempForecastWindPrecip
Overnight 58°F Patchy Fog 2 mph N 1%
Saturday 81°F Patchy Fog then Partly Sunny 3 mph E 3%
Saturday Night 64°F Chance Rain Showers 2 to 6 mph SE 51%
Sunday 79°F Showers And Thunderstorms 9 mph SW 94%
Sunday Night 57°F Showers And Thunderstorms 6 to 10 mph N 95%
Monday 68°F Chance Rain Showers 10 mph NE 41%
Monday Night 55°F Showers And Thunderstorms Likely 10 mph NE 74%
Tuesday 65°F Showers And Thunderstorms Likely 12 mph E 74%
Tuesday Night 51°F Showers And Thunderstorms Likely 13 mph E 67%
Wednesday 63°F Rain Showers Likely 12 mph E 65%
Wednesday Night 51°F Showers And Thunderstorms Likely 6 to 12 mph E 58%
Thursday 67°F Rain Showers Likely 6 to 9 mph E 55%
Thursday Night 50°F Chance Showers And Thunderstorms 3 to 8 mph NE 39%
Friday 68°F Partly Sunny then Slight Chance Rain Showers 3 to 8 mph NE 22%

Forecast source: National Weather Service (api.weather.gov) for Clarksville (39.974, -80.044). Updated through the day.

Growing snapshot for Clarksville

Last spring frost
May 3
First fall frost
Oct 15
Growing season
164 days
Hardiness zone
6b

More local growing data for Clarksville: nearby ZIP 15322 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Waynesburg 1 E, Pa (8.6 mi from Clarksville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.