Hawthorn, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hawthorn, a borough in Clarion County, Pennsylvania.
This Afternoon
70°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 70. East wind around 6 mph. Chance of precipitation is 20%.
7-day forecast for Hawthorn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Slight Chance Rain Showers | 6 mph E | 16% |
| Tonight | 62°F | Rain Showers Likely | 6 mph SE | 72% |
| Sunday | 76°F | Showers And Thunderstorms | 5 to 8 mph W | 96% |
| Sunday Night | 51°F | Chance Rain Showers | 7 mph N | 25% |
| Monday | 70°F | Mostly Cloudy then Chance Rain Showers | 9 mph NE | 30% |
| Monday Night | 50°F | Rain Showers Likely | 7 to 10 mph E | 56% |
| Tuesday | 64°F | Rain Showers Likely | 12 mph E | 56% |
| Tuesday Night | 49°F | Rain Showers Likely | 14 mph E | 60% |
| Wednesday | 60°F | Rain Showers Likely | 14 mph E | 60% |
| Wednesday Night | 48°F | Chance Rain Showers | 12 mph E | 33% |
| Thursday | 64°F | Chance Rain Showers | 7 to 10 mph E | 33% |
| Thursday Night | 47°F | Slight Chance Rain Showers | 3 to 7 mph E | 15% |
| Friday | 69°F | Partly Sunny | 6 mph NE | 14% |
| Friday Night | 47°F | Partly Cloudy | 6 mph N | 12% |
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 Sep 19, 2026.