Slippery Rock University, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Slippery Rock University, a community in Butler County, Pennsylvania.
This Afternoon
76°F
Mostly Sunny
Mostly sunny, with a high near 76. North wind around 7 mph.
7-day forecast for Slippery Rock University
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Mostly Sunny | 7 mph N | 10% |
| Tonight | 55°F | Partly Cloudy | 7 mph NE | 10% |
| Saturday | 76°F | Partly Sunny then Slight Chance Rain Showers | 6 mph E | 16% |
| Saturday Night | 62°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SE | 76% |
| Sunday | 75°F | Showers And Thunderstorms | 7 mph SW | 93% |
| Sunday Night | 54°F | Rain Showers Likely | 8 mph N | 73% |
| Monday | 68°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph NE | 20% |
| Monday Night | 53°F | Chance Rain Showers | 12 mph E | 52% |
| Tuesday | 65°F | Rain Showers Likely | 14 mph E | 58% |
| Tuesday Night | 51°F | Showers And Thunderstorms Likely | 15 mph E | 61% |
| Wednesday | 62°F | Rain Showers Likely | 14 mph E | 61% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms | 10 to 14 mph E | 54% |
| Thursday | 65°F | Chance Rain Showers | 8 to 12 mph E | 43% |
| Thursday Night | 50°F | Slight Chance Rain Showers | 3 to 7 mph NE | 18% |
Forecast source: National Weather Service (api.weather.gov) for Slippery Rock University (41.065, -80.042). Updated through the day.
Growing snapshot for Slippery Rock University
Last spring frost
May 7
First fall frost
Oct 14
Growing season
158 days
Hardiness zone
6a
More local growing data for Slippery Rock University: nearby ZIP 16057 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Barkeyville
Boyers
Bruin
Butler
Callery
Cherry Valley
Chicora
Connoquenessing
East Butler
Eau Claire
Evans City
Fairview
Fenelton
Forestville
Harlansburg
Harmony
Harrisville
Homeacre-Lyndora
Karns City
Lake Arthur Estates
Mars
Meadowood
Meridian
Nixon
North Washington
Oak Hills
Petrolia
Portersville
Prospect
Renfrew
Climate data from the nearest NOAA station, Slippery Rock 1 Ssw, Pa (1.5 mi from Slippery Rock University). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.