McKean, PA Weather & Growing Conditions
Overnight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. South wind around 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Partly Cloudy | 12 mph S | 1% |
| Wednesday | 74°F | Partly Sunny then Chance Light Rain | 12 mph S | 50% |
| Wednesday Night | 57°F | Light Rain | 7 to 14 mph S | 94% |
| Thursday | 66°F | Partly Sunny | 7 to 13 mph SW | 11% |
| Thursday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph SW | 18% |
| Friday | 57°F | Rain Showers Likely | 7 mph SW | 56% |
| Friday Night | 40°F | Rain Showers | 2 to 7 mph W | 78% |
| Saturday | 50°F | Rain Showers Likely | 7 to 10 mph W | 74% |
| Saturday Night | 36°F | Chance Light Rain | 7 mph NW | 63% |
| Sunday | 51°F | Slight Chance Light Rain | 7 to 13 mph W | 23% |
| Sunday Night | 36°F | Chance Light Rain | 8 mph W | 27% |
| Monday | 53°F | Chance Light Rain | 6 to 12 mph W | 30% |
| Monday Night | 36°F | Slight Chance Light Rain then Partly Cloudy | 5 to 8 mph SW | 19% |
| Tuesday | 56°F | Slight Chance Light Rain | 8 to 13 mph SW | 17% |
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 Nov 4, 2026.