Karthaus, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Karthaus, a community in Clearfield County, Pennsylvania.
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. South wind around 3 mph.
7-day forecast for Karthaus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 3 mph S | 2% |
| Tonight | 48°F | Mostly Clear then Patchy Fog | 3 mph E | 2% |
| Wednesday | 75°F | Patchy Fog then Mostly Sunny | 1 to 7 mph SE | 3% |
| Wednesday Night | 59°F | Mostly Cloudy then Rain Showers | 7 mph S | 99% |
| Thursday | 73°F | Rain Showers | 5 to 8 mph SW | 76% |
| Thursday Night | 48°F | Partly Cloudy | 0 to 3 mph SW | 14% |
| Friday | 68°F | Chance Rain Showers | 2 mph W | 25% |
| Friday Night | 43°F | Slight Chance Rain Showers | 1 mph NW | 21% |
| Saturday | 59°F | Chance Rain Showers | 1 to 7 mph W | 33% |
| Saturday Night | 36°F | Chance Rain Showers then Mostly Cloudy | 6 mph W | 31% |
| Sunday | 58°F | Partly Sunny | 2 to 7 mph W | 13% |
| Sunday Night | 34°F | Slight Chance Rain Showers | 6 mph W | 22% |
| Monday | 57°F | Chance Rain Showers | 7 to 10 mph W | 30% |
| Monday Night | 34°F | Chance Rain Showers | 7 mph W | 29% |
Forecast source: National Weather Service (api.weather.gov) for Karthaus (41.122, -78.121). Updated through the day.
Growing snapshot for Karthaus
Last spring frost
May 21
First fall frost
Sep 27
Growing season
130 days
Hardiness zone
6a
More local growing data for Karthaus: nearby ZIP 16834 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Clarence, Pa (7.6 mi from Karthaus). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.