Clappertown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clappertown, a community in Blair County, Pennsylvania.
Tonight
48°F
Mostly Clear then Patchy Fog
Patchy fog after 3am. Mostly clear, with a low around 48. South wind 0 to 6 mph.
7-day forecast for Clappertown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Clear then Patchy Fog | 0 to 6 mph S | 0% |
| Wednesday | 75°F | Patchy Fog then Partly Sunny | 0 to 9 mph S | 0% |
| Wednesday Night | 59°F | Mostly Cloudy then Rain Showers | 8 mph S | 97% |
| Thursday | 74°F | Rain Showers Likely | 3 to 7 mph SW | 64% |
| Thursday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 3 mph W | 20% |
| Friday | 68°F | Chance Rain Showers | 2 mph W | 38% |
| Friday Night | 44°F | Slight Chance Rain Showers | 2 mph NW | 23% |
| Saturday | 59°F | Slight Chance Rain Showers | 2 to 9 mph NW | 21% |
| Saturday Night | 36°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 7 mph W | 18% |
| Sunday | 57°F | Mostly Sunny | 3 to 8 mph W | 9% |
| Sunday Night | 35°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 8 mph W | 16% |
| Monday | 57°F | Chance Rain Showers | 8 to 13 mph W | 25% |
| Monday Night | 35°F | Slight Chance Rain Showers then Partly Cloudy | 8 mph W | 23% |
| Tuesday | 61°F | Mostly Sunny | 8 to 14 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov) for Clappertown (40.403, -78.278). Updated through the day.
Growing snapshot for Clappertown
Last spring frost
Apr 25
First fall frost
Oct 20
Growing season
177 days
Hardiness zone
6b
More local growing data for Clappertown: nearby ZIP 16648 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Altoona 7 Sw, Pa (4.9 mi from Clappertown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.