Hawthorn, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hawthorn, a borough in Clarion County, Pennsylvania.
Tonight
63°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A slight chance of showers and thunderstorms before 9pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Hawthorn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms 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% |
| Saturday | 71°F | Mostly Sunny | 7 mph N | 10% |
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 20, 2026.