Sligo, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sligo, a borough in Clarion County, Pennsylvania.
Overnight
49°F
Mostly Clear
Mostly clear, with a low around 49. South wind 1 to 8 mph.
7-day forecast for Sligo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Clear | 1 to 8 mph S | 1% |
| Wednesday | 76°F | Partly Sunny | 3 to 9 mph S | 3% |
| Wednesday Night | 58°F | Light Rain | 9 mph S | 93% |
| Thursday | 67°F | Chance Light Rain then Mostly Sunny | 6 to 12 mph SW | 36% |
| Thursday Night | 45°F | Partly Cloudy | 1 to 5 mph SW | 1% |
| Friday | 60°F | Partly Sunny then Slight Chance Light Rain | 1 to 7 mph SW | 17% |
| Friday Night | 40°F | Chance Light Rain | 2 to 6 mph W | 48% |
| Saturday | 51°F | Chance Light Rain | 6 to 10 mph W | 48% |
| Saturday Night | 34°F | Chance Light Rain | 5 to 8 mph W | 37% |
| Sunday | 52°F | Slight Chance Light Rain then Partly Sunny | 6 to 12 mph W | 15% |
| Sunday Night | 31°F | Partly Cloudy | 7 mph W | 9% |
| Monday | 53°F | Slight Chance Light Rain | 7 to 10 mph W | 22% |
| Monday Night | 31°F | Slight Chance Light Rain then Partly Cloudy | 3 to 7 mph SW | 18% |
| Tuesday | 57°F | Mostly Sunny | 7 to 13 mph SW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Sligo (41.110, -79.503). Updated through the day.
Growing snapshot for Sligo
Last spring frost
May 9
First fall frost
Oct 11
Growing season
154 days
Hardiness zone
6a
More local growing data for Sligo: nearby ZIP 16255 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Callensburg
Clarion
Crown
Foxburg
Hawthorn
Knox
Leeper
Marianne
Parker
Rimersburg
Shippenville
St. Petersburg
Strattanville
Tylersburg
Vowinckel
Climate data from the nearest NOAA station, Clarion 3 Sw, Pa (4.7 mi from Sligo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.