Hawthorn, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hawthorn, a borough in Clarion County, Pennsylvania.
Today
74°F
Partly Sunny
Partly sunny, with a high near 74. South wind around 8 mph.
7-day forecast for Hawthorn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Partly Sunny | 8 mph S | 11% |
| Tonight | 60°F | Light Rain | 8 mph S | 85% |
| Thursday | 69°F | Chance Light Rain then Partly Sunny | 6 to 12 mph SW | 33% |
| Thursday Night | 46°F | Partly Cloudy | 5 mph SW | 0% |
| Friday | 61°F | Mostly Cloudy then Chance Light Rain | 3 to 7 mph SW | 36% |
| Friday Night | 38°F | Chance Light Rain | 5 mph W | 40% |
| Saturday | 52°F | Chance Light Rain | 6 to 10 mph W | 54% |
| Saturday Night | 35°F | Chance Light Rain | 8 mph W | 54% |
| Sunday | 55°F | Mostly Sunny | 7 to 12 mph W | 8% |
| Sunday Night | 33°F | Partly Cloudy | 8 mph W | 9% |
| Monday | 57°F | Mostly Sunny | 7 to 12 mph W | 13% |
| Monday Night | 33°F | Mostly Clear | 5 to 8 mph W | 5% |
| Tuesday | 61°F | Mostly Sunny | 7 to 12 mph SW | 3% |
| Tuesday Night | 33°F | Partly Cloudy | 2 to 6 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Hawthorn (41.020, -79.283). Updated through the day.
Growing snapshot for Hawthorn
Last spring frost
May 10
First fall frost
Oct 12
Growing season
155 days
Hardiness zone
6a
More local growing data for Hawthorn: nearby ZIP 16230 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Callensburg
Clarion
Crown
Foxburg
Knox
Leeper
Marianne
Parker
Rimersburg
Shippenville
Sligo
St. Petersburg
Strattanville
Tylersburg
Vowinckel
Climate data from the nearest NOAA station, Putneyville 2 Se Dam, Pa (6.6 mi from Hawthorn). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.