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
81°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 81. South wind around 2 mph.
7-day forecast for Lewis Run
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Fog then Sunny | 2 mph S | 0% |
| Tonight | 57°F | Mostly Clear then Patchy Fog | 2 mph S | 0% |
| Wednesday | 83°F | Patchy Fog then Chance Showers And Thunderstorms | 2 to 6 mph S | 37% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms then Patchy Fog | 1 to 5 mph S | 48% |
| Thursday | 82°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 2 to 6 mph SW | 85% |
| Thursday Night | 62°F | Showers And Thunderstorms | 0 to 3 mph SW | 85% |
| Friday | 81°F | Showers And Thunderstorms | 1 to 5 mph SW | 85% |
| Friday Night | 61°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SW | 85% |
| Saturday | 81°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 60% |
| Saturday Night | 61°F | Showers And Thunderstorms Likely | 5 mph SW | 60% |
| Sunday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SW | 26% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 8 mph SW | 29% |
| Monday | 82°F | Chance Rain Showers | 10 mph W | 49% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 49% |
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 Aug 4, 2026.