Sligo, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sligo, a borough in Clarion County, Pennsylvania.
Tonight
50°F
Mostly Clear
Mostly clear, with a low around 50. Southeast wind 3 to 7 mph.
7-day forecast for Sligo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Clear | 3 to 7 mph SE | 3% |
| Wednesday | 75°F | Partly Sunny | 3 to 9 mph SE | 5% |
| Wednesday Night | 59°F | Light Rain | 9 mph S | 97% |
| Thursday | 69°F | Chance Light Rain | 6 to 12 mph SW | 37% |
| Thursday Night | 46°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Friday | 63°F | Partly Sunny | 0 to 6 mph W | 14% |
| Friday Night | 42°F | Chance Light Rain | 5 mph NW | 29% |
| Saturday | 54°F | Chance Light Rain | 5 to 9 mph W | 32% |
| Saturday Night | 35°F | Chance Light Rain then Mostly Cloudy | 6 mph W | 31% |
| Sunday | 53°F | Partly Sunny then Slight Chance Light Rain | 3 to 9 mph SW | 19% |
| Sunday Night | 34°F | Slight Chance Light Rain | 7 mph W | 24% |
| Monday | 54°F | Chance Light Rain | 7 to 12 mph W | 35% |
| Monday Night | 34°F | Chance Light Rain | 5 to 8 mph SW | 35% |
| Tuesday | 57°F | Mostly Sunny | 8 to 14 mph W | 13% |
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.