Karthaus, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Karthaus, a community in Clearfield County, Pennsylvania.
Today
85°F
Sunny
Sunny, with a high near 85. Southeast wind around 2 mph.
7-day forecast for Karthaus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 2 mph SE | 0% |
| Tonight | 60°F | Partly Cloudy then Patchy Fog | 2 mph E | 3% |
| Wednesday | 83°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph E | 39% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Patchy Fog | 0 to 3 mph SE | 37% |
| Thursday | 84°F | Showers And Thunderstorms | 0 to 5 mph S | 86% |
| Thursday Night | 68°F | Showers And Thunderstorms | 2 mph SW | 86% |
| Friday | 83°F | Showers And Thunderstorms | 0 to 3 mph SW | 81% |
| Friday Night | 65°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph SW | 81% |
| Saturday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph W | 45% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 3 mph W | 45% |
| Sunday | 87°F | Mostly Sunny | 1 to 6 mph SW | 14% |
| Sunday Night | 67°F | Partly Cloudy | 5 mph SW | 14% |
| Monday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph W | 33% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 2 to 7 mph W | 33% |
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 Aug 4, 2026.