Clarion, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarion, a borough in Clarion County, Pennsylvania.
Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. Southeast wind 2 to 7 mph.
7-day forecast for Clarion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 2 to 7 mph SE | 1% |
| Wednesday | 75°F | Partly Sunny | 3 to 8 mph SE | 2% |
| Wednesday Night | 58°F | Light Rain | 8 mph S | 94% |
| Thursday | 66°F | Chance Light Rain then Mostly Sunny | 5 to 10 mph SW | 42% |
| Thursday Night | 45°F | Partly Cloudy | 1 to 5 mph SW | 1% |
| Friday | 60°F | Partly Sunny then Slight Chance Light Rain | 2 to 6 mph SW | 18% |
| Friday Night | 40°F | Chance Light Rain | 5 mph W | 50% |
| Saturday | 51°F | Chance Light Rain | 6 to 9 mph W | 50% |
| Saturday Night | 35°F | Chance Light Rain | 7 mph W | 39% |
| Sunday | 51°F | Slight Chance Light Rain then Partly Sunny | 6 to 10 mph W | 15% |
| Sunday Night | 32°F | Partly Cloudy | 7 mph W | 11% |
| Monday | 52°F | Slight Chance Light Rain | 6 to 9 mph W | 22% |
| Monday Night | 33°F | Slight Chance Light Rain then Partly Cloudy | 3 to 7 mph SW | 18% |
| Tuesday | 56°F | Mostly Sunny | 7 to 10 mph SW | 7% |
Forecast source: National Weather Service (api.weather.gov) for Clarion (41.209, -79.380). Updated through the day.
Growing snapshot for Clarion
Last spring frost
May 9
First fall frost
Oct 11
Growing season
154 days
Hardiness zone
6a
More local growing data for Clarion: nearby ZIP 16214 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Callensburg
Crown
Foxburg
Hawthorn
Knox
Leeper
Marianne
Parker
Rimersburg
Shippenville
Sligo
St. Petersburg
Strattanville
Tylersburg
Vowinckel
Climate data from the nearest NOAA station, Clarion 3 Sw, Pa (4.3 mi from Clarion). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.