Smethport, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smethport, a borough in Mckean County, Pennsylvania.
Tonight
48°F
Mostly Clear
Mostly clear, with a low around 48. South wind around 5 mph.
7-day forecast for Smethport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Clear | 5 mph S | 0% |
| Wednesday | 73°F | Mostly Sunny | 1 to 9 mph S | 0% |
| Wednesday Night | 57°F | Rain Showers | 10 mph S | 94% |
| Thursday | 69°F | Rain Showers Likely | 7 to 12 mph SW | 61% |
| Thursday Night | 44°F | Partly Cloudy | 0 to 5 mph SW | 5% |
| Friday | 63°F | Slight Chance Rain Showers | 0 to 5 mph W | 16% |
| Friday Night | 40°F | Chance Rain Showers | 5 mph NW | 30% |
| Saturday | 54°F | Chance Rain Showers | 5 to 9 mph NW | 40% |
| Saturday Night | 32°F | Chance Rain Showers | 8 mph W | 40% |
| Sunday | 53°F | Partly Sunny | 6 to 9 mph W | 14% |
| Sunday Night | 30°F | Chance Rain Showers | 9 mph W | 26% |
| Monday | 53°F | Chance Rain Showers | 12 mph W | 34% |
| Monday Night | 31°F | Chance Rain Showers | 13 mph SW | 34% |
| Tuesday | 57°F | Slight Chance Rain Showers | 15 mph W | 16% |
Forecast source: National Weather Service (api.weather.gov) for Smethport (41.808, -78.445). Updated through the day.
Growing snapshot for Smethport
Last spring frost
May 15
First fall frost
Oct 6
Growing season
144 days
Hardiness zone
5b
More local growing data for Smethport: nearby ZIP 16730 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Bradford
Eldred
Foster Brook
Kane
Lewis Run
Mount Jewett
Port Allegany
Rew
University of Pittsburgh Bradford
Climate data from the nearest NOAA station, Port Allegany, Pa (7 mi from Smethport). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.