Karthaus, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Karthaus, a community in Clearfield County, Pennsylvania.
This Afternoon
78°F
Mostly Sunny
Mostly sunny, with a high near 78. North wind around 5 mph.
7-day forecast for Karthaus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Mostly Sunny | 5 mph N | 0% |
| Tonight | 50°F | Areas Of Fog | 3 mph NE | 1% |
| Saturday | 73°F | Patchy Fog then Partly Sunny | 3 mph E | 4% |
| Saturday Night | 59°F | Mostly Cloudy then Rain Showers | 5 mph SE | 78% |
| Sunday | 73°F | Showers And Thunderstorms | 5 mph SW | 99% |
| Sunday Night | 52°F | Rain Showers | 5 mph N | 77% |
| Monday | 67°F | Chance Rain Showers | 6 mph NE | 27% |
| Monday Night | 50°F | Rain Showers Likely | 6 mph E | 57% |
| Tuesday | 62°F | Rain Showers Likely | 7 mph E | 65% |
| Tuesday Night | 47°F | Rain Showers Likely | 6 to 9 mph E | 61% |
| Wednesday | 59°F | Rain Showers Likely | 7 mph E | 55% |
| Wednesday Night | 47°F | Chance Showers And Thunderstorms | 3 to 7 mph E | 50% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 5 mph E | 50% |
| Thursday Night | 48°F | Chance Rain Showers | 3 mph NE | 37% |
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 Sep 18, 2026.