McKean, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McKean, a borough in Erie County, Pennsylvania.
Tonight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. East wind 3 to 7 mph.
7-day forecast for McKean
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Cloudy | 3 to 7 mph E | 1% |
| Saturday | 71°F | Mostly Cloudy | 5 mph SE | 12% |
| Saturday Night | 60°F | Showers And Thunderstorms | 5 mph SE | 85% |
| Sunday | 68°F | Showers And Thunderstorms | 5 to 10 mph NW | 79% |
| Sunday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 6 to 10 mph NE | 41% |
| Monday | 64°F | Mostly Cloudy | 8 to 13 mph NE | 10% |
| Monday Night | 50°F | Chance Rain Showers | 8 to 13 mph NE | 39% |
| Tuesday | 63°F | Chance Rain Showers | 9 to 13 mph E | 39% |
| Tuesday Night | 50°F | Chance Showers And Thunderstorms | 9 to 13 mph E | 53% |
| Wednesday | 62°F | Chance Rain Showers | 12 mph SE | 53% |
| Wednesday Night | 50°F | Showers And Thunderstorms Likely | 7 to 10 mph SE | 56% |
| Thursday | 63°F | Chance Rain Showers | 8 mph E | 47% |
| Thursday Night | 51°F | Chance Rain Showers | 3 to 7 mph E | 32% |
| Friday | 67°F | Partly Sunny then Slight Chance Rain Showers | 3 to 8 mph NE | 16% |
Forecast source: National Weather Service (api.weather.gov) for McKean (41.998, -80.140). Updated through the day.
Growing snapshot for McKean
Last spring frost
Apr 26
First fall frost
Nov 4
Growing season
192 days
Hardiness zone
6a
More local growing data for McKean: nearby ZIP 16426 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Albion
Avonia
Canadohta Lake
Corry
Cranesville
Edinboro
Elgin
Erie
Fairview
Girard
Lake City
Lawrence Park
Mill Village
North East
Northwest Harborcreek
Penn State Erie (Behrend)
Platea
Union City
Waterford
Wattsburg
Wesleyville
Climate data from the nearest NOAA station, Erie Intl Ap, Pa (7.2 mi from McKean). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.