Hawthorn, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hawthorn, a borough in Clarion County, Pennsylvania.
Today
84°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 84. Southeast wind around 2 mph.
7-day forecast for Hawthorn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Sunny | 2 mph SE | 0% |
| Tonight | 63°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 85°F | Partly Sunny then Scattered Showers And Thunderstorms | 5 mph SE | 38% |
| Wednesday Night | 66°F | Scattered Showers And Thunderstorms | 1 to 5 mph SE | 50% |
| Thursday | 84°F | Showers And Thunderstorms | 2 to 6 mph S | 79% |
| Thursday Night | 66°F | Showers And Thunderstorms | 1 to 5 mph SW | 79% |
| Friday | 83°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 85% |
| Friday Night | 65°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 5 mph SW | 85% |
| Saturday | 82°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 7 mph SW | 50% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 50% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph SW | 24% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 24% |
| Monday | 85°F | Chance Rain Showers | 6 to 9 mph SW | 47% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 2 to 7 mph W | 50% |
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 Aug 4, 2026.