Clarion, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarion, a borough in Clarion County, Pennsylvania.
Overnight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. East wind around 5 mph.
7-day forecast for Clarion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Cloudy | 5 mph E | 1% |
| Saturday | 72°F | Partly Sunny | 6 mph E | 2% |
| Saturday Night | 60°F | Showers And Thunderstorms | 6 mph SE | 85% |
| Sunday | 73°F | Showers And Thunderstorms | 7 mph SW | 94% |
| Sunday Night | 50°F | Mostly Cloudy | 8 mph NE | 10% |
| Monday | 66°F | Mostly Cloudy then Slight Chance Rain Showers | 8 mph NE | 16% |
| Monday Night | 48°F | Chance Rain Showers | 7 to 10 mph E | 52% |
| Tuesday | 60°F | Chance Rain Showers | 10 mph E | 54% |
| Tuesday Night | 47°F | Chance Rain Showers | 13 mph E | 52% |
| Wednesday | 58°F | Chance Rain Showers | 13 mph E | 52% |
| Wednesday Night | 47°F | Showers And Thunderstorms Likely | 12 mph E | 55% |
| Thursday | 63°F | Rain Showers Likely | 9 mph E | 55% |
| Thursday Night | 47°F | Chance Showers And Thunderstorms | 6 mph E | 26% |
| Friday | 67°F | Partly Sunny then Slight Chance Rain Showers | 6 mph NE | 17% |
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 Sep 19, 2026.