Duncansville, PA Weather & Growing Conditions

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

Overnight

51°F

Partly Cloudy

Partly cloudy, with a low around 51. Wind around 0 mph.

7-day forecast for Duncansville

When	Temp	Forecast	Wind	Precip
Overnight	51°F	Partly Cloudy	0 mph	0%
Wednesday	78°F	Partly Sunny	0 to 9 mph S	1%
Wednesday Night	59°F	Light Rain	7 mph S	91%
Thursday	74°F	Light Rain Likely	3 to 8 mph SW	56%
Thursday Night	48°F	Mostly Cloudy	3 mph SW	4%
Friday	67°F	Partly Sunny	0 to 3 mph W	11%
Friday Night	42°F	Mostly Cloudy	3 mph W	13%
Saturday	54°F	Chance Light Rain	5 to 10 mph W	27%
Saturday Night	36°F	Chance Light Rain	9 mph W	27%
Sunday	56°F	Partly Sunny	10 mph W	13%
Sunday Night	33°F	Partly Cloudy	10 mph W	7%
Monday	56°F	Mostly Sunny	8 to 12 mph W	12%
Monday Night	34°F	Mostly Clear	8 mph W	9%
Tuesday	61°F	Mostly Sunny	7 to 13 mph W	4%

Forecast source: National Weather Service (api.weather.gov) for Duncansville (40.426, -78.430). Updated through the day.

Growing snapshot for Duncansville

Last spring frost

Apr 25

First fall frost

Oct 20

Growing season

177 days

Hardiness zone

More local growing data for Duncansville: nearby ZIP 16665 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

Altoona Bald Eagle Bellwood Birmingham Brooks Mill Canan Station Canoe Creek Carson Valley Charlottsville Clappertown Claysburg Cotton Town Cove Forge Cross Keys Culp Curryville Dumb Hundred East Altoona East Freedom East Sharpsburg Elberta Eldorado Fisherville Foot of Ten Fort Fetter Fostoria Franklin Forge Frankstown Fredericksburg Friesville

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Climate data from the nearest NOAA station, Altoona 7 Sw, Pa (2.2 mi from Duncansville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.