McKean, PA Weather & Growing Conditions
Overnight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Cloudy | 5 mph E | 1% |
| Saturday | 71°F | Mostly Cloudy | 6 mph SE | 13% |
| Saturday Night | 59°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 7 mph SE | 83% |
| Sunday | 68°F | Showers And Thunderstorms | 5 to 10 mph NW | 82% |
| Sunday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 6 to 10 mph NE | 26% |
| Monday | 63°F | Mostly Cloudy | 12 mph NE | 2% |
| Monday Night | 47°F | Mostly Cloudy then Chance Rain Showers | 10 mph E | 32% |
| Tuesday | 62°F | Chance Rain Showers | 9 to 13 mph E | 32% |
| Tuesday Night | 47°F | Chance Rain Showers | 9 to 13 mph E | 53% |
| Wednesday | 62°F | Chance Rain Showers | 12 mph E | 53% |
| Wednesday Night | 48°F | Chance Showers And Thunderstorms | 10 mph SE | 53% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 8 mph E | 46% |
| Thursday Night | 48°F | Slight Chance Rain Showers | 3 to 7 mph E | 22% |
| Friday | 66°F | Slight Chance Rain Showers | 5 to 10 mph NE | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McKean, PA
Last spring frost
Apr 26
First fall frost
Nov 4
Growing season
192 days
Hardiness zone
6a
Explore more for McKean, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Erie Intl Ap, Pa (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.