Duncansville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Duncansville, a borough in Blair County, Pennsylvania.
This Afternoon
74°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 74. Southeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Duncansville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Slight Chance Rain Showers | 5 mph SE | 15% |
| Tonight | 61°F | Rain Showers Likely | 3 to 7 mph SE | 70% |
| Sunday | 78°F | Rain Showers | 7 mph SW | 91% |
| Sunday Night | 52°F | Showers And Thunderstorms Likely | 6 mph N | 74% |
| Monday | 68°F | Chance Rain Showers | 6 mph NE | 36% |
| Monday Night | 50°F | Rain Showers Likely | 6 mph E | 69% |
| Tuesday | 62°F | Rain Showers Likely | 8 mph E | 74% |
| Tuesday Night | 48°F | Rain Showers Likely | 7 to 10 mph E | 63% |
| Wednesday | 57°F | Rain Showers Likely | 9 mph E | 62% |
| Wednesday Night | 47°F | Chance Rain Showers | 9 mph E | 32% |
| Thursday | 61°F | Chance Rain Showers | 7 mph E | 32% |
| Thursday Night | 47°F | Chance Rain Showers | 5 mph NE | 25% |
| Friday | 67°F | Chance Rain Showers | 2 to 6 mph N | 25% |
| Friday Night | 47°F | Slight Chance Rain Showers | 5 mph N | 20% |
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
6b
More local growing data for Duncansville: nearby ZIP 16665 weather · frost dates · planting calendar · Pennsylvania frost dates
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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 Sep 20, 2026.