Clappertown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clappertown, a community in Blair County, Pennsylvania.
Today
73°F
Patchy Fog then Partly Sunny
Patchy fog before 8am. Partly sunny, with a high near 73. East wind around 5 mph.
7-day forecast for Clappertown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Fog then Partly Sunny | 5 mph E | 4% |
| Tonight | 61°F | Rain Showers Likely | 3 to 9 mph SE | 67% |
| Sunday | 74°F | Showers And Thunderstorms | 5 to 9 mph S | 86% |
| Sunday Night | 52°F | Showers And Thunderstorms Likely | 5 to 9 mph NW | 55% |
| Monday | 66°F | Slight Chance Rain Showers | 6 to 9 mph NE | 23% |
| Monday Night | 49°F | Rain Showers Likely | 5 to 8 mph NE | 66% |
| Tuesday | 58°F | Rain Showers Likely | 8 mph E | 66% |
| Tuesday Night | 47°F | Rain Showers Likely | 10 mph E | 58% |
| Wednesday | 57°F | Chance Rain Showers | 10 mph E | 54% |
| Wednesday Night | 47°F | Chance Rain Showers | 8 mph E | 49% |
| Thursday | 60°F | Chance Rain Showers | 7 mph E | 46% |
| Thursday Night | 47°F | Chance Showers And Thunderstorms | 5 mph NE | 43% |
| Friday | 65°F | Slight Chance Rain Showers | 6 mph N | 19% |
| Friday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 6 mph N | 19% |
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 Sep 19, 2026.