Lewis Run, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lewis Run, a borough in Mckean County, Pennsylvania.
Today
74°F
Partly Sunny
Partly sunny, with a high near 74. South wind 7 to 10 mph.
7-day forecast for Lewis Run
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Partly Sunny | 7 to 10 mph S | 2% |
| Tonight | 56°F | Light Rain | 12 mph S | 94% |
| Thursday | 67°F | Light Rain Likely | 7 to 12 mph SW | 60% |
| Thursday Night | 43°F | Mostly Cloudy | 1 to 6 mph SW | 1% |
| Friday | 60°F | Mostly Cloudy then Chance Light Rain | 1 to 6 mph SW | 29% |
| Friday Night | 36°F | Light Rain Likely | 0 to 3 mph W | 55% |
| Saturday | 49°F | Light Rain Likely | 3 to 8 mph W | 62% |
| Saturday Night | 30°F | Chance Light Rain | 9 mph W | 54% |
| Sunday | 51°F | Slight Chance Light Rain | 9 to 13 mph W | 18% |
| Sunday Night | 27°F | Slight Chance Light Rain | 12 mph W | 21% |
| Monday | 51°F | Chance Light Rain | 12 mph W | 27% |
| Monday Night | 28°F | Slight Chance Light Rain then Partly Cloudy | 10 mph W | 19% |
| Tuesday | 56°F | Mostly Sunny then Slight Chance Light Rain | 14 mph W | 17% |
| Tuesday Night | 27°F | Slight Chance Light Rain | 6 to 12 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Lewis Run (41.868, -78.654). Updated through the day.
Growing snapshot for Lewis Run
Last spring frost
May 18
First fall frost
Oct 4
Growing season
140 days
Hardiness zone
5b
More local growing data for Lewis Run: nearby ZIP 16725 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Bradford
Eldred
Foster Brook
Kane
Mount Jewett
Port Allegany
Rew
Smethport
University of Pittsburgh Bradford
Climate data from the nearest NOAA station, Bradford 4Sw Rsch 5, Pa (2.7 mi from Lewis Run). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.