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Yarnell, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Yarnell, a community in Centre County, Pennsylvania.

Tonight
48°F
Mostly Clear
Mostly clear, with a low around 48. South wind around 5 mph.

7-day forecast for Yarnell

WhenTempForecastWindPrecip
Tonight 48°F Mostly Clear 5 mph S 2%
Wednesday 73°F Mostly Sunny 2 to 9 mph S 3%
Wednesday Night 59°F Mostly Cloudy then Rain Showers 9 mph S 98%
Thursday 71°F Rain Showers 8 mph SW 82%
Thursday Night 50°F Mostly Cloudy then Slight Chance Rain Showers 5 mph W 18%
Friday 66°F Chance Rain Showers 3 mph W 36%
Friday Night 46°F Slight Chance Rain Showers 5 mph NW 19%
Saturday 58°F Chance Rain Showers 5 to 8 mph W 29%
Saturday Night 40°F Chance Rain Showers then Partly Cloudy 8 mph W 29%
Sunday 56°F Mostly Sunny 5 to 8 mph W 11%
Sunday Night 38°F Slight Chance Rain Showers 10 mph W 20%
Monday 56°F Chance Rain Showers 12 mph W 26%
Monday Night 38°F Chance Rain Showers then Partly Cloudy 10 mph W 26%
Tuesday 59°F Mostly Sunny 13 mph W 7%

Forecast source: National Weather Service (api.weather.gov) for Yarnell (41.000, -77.814). Updated through the day.

Growing snapshot for Yarnell

Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
187 days
Hardiness zone
6b

More local growing data for Yarnell: nearby ZIP 16853 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, State College, Pa (11 mi from Yarnell). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.