Smethport, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smethport, a borough in Mckean County, Pennsylvania.
This Afternoon
72°F
Mostly Sunny
Mostly sunny, with a high near 72. North wind around 6 mph.
7-day forecast for Smethport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Mostly Sunny | 6 mph N | 0% |
| Tonight | 47°F | Areas Of Fog | 0 to 6 mph N | 1% |
| Saturday | 69°F | Patchy Fog then Partly Sunny | 1 to 5 mph SE | 4% |
| Saturday Night | 55°F | Showers And Thunderstorms | 6 mph S | 87% |
| Sunday | 68°F | Showers And Thunderstorms | 6 mph SW | 93% |
| Sunday Night | 48°F | Rain Showers Likely | 8 mph NE | 56% |
| Monday | 63°F | Slight Chance Rain Showers | 10 mph NE | 22% |
| Monday Night | 45°F | Chance Rain Showers | 10 mph E | 50% |
| Tuesday | 60°F | Chance Rain Showers | 9 mph E | 50% |
| Tuesday Night | 43°F | Chance Rain Showers | 10 to 14 mph E | 54% |
| Wednesday | 58°F | Chance Rain Showers | 9 to 13 mph SE | 54% |
| Wednesday Night | 44°F | Chance Showers And Thunderstorms | 8 to 12 mph SE | 52% |
| Thursday | 60°F | Chance Showers And Thunderstorms | 7 mph E | 52% |
| Thursday Night | 45°F | Chance Rain Showers | 6 mph NE | 42% |
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 Sep 18, 2026.