Mount Jewett, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Jewett, a borough in Mckean County, Pennsylvania.
Today
73°F
Partly Sunny
Partly sunny. High near 73, with temperatures falling to around 67 in the afternoon. South wind 3 to 10 mph.
7-day forecast for Mount Jewett
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Partly Sunny | 3 to 10 mph S | 2% |
| Tonight | 55°F | Light Rain | 13 mph S | 95% |
| Thursday | 66°F | Light Rain Likely | 7 to 12 mph SW | 59% |
| Thursday Night | 42°F | Mostly Cloudy | 2 to 6 mph SW | 2% |
| Friday | 59°F | Mostly Cloudy then Chance Light Rain | 2 to 6 mph SW | 28% |
| Friday Night | 37°F | Chance Light Rain | 1 to 5 mph W | 50% |
| Saturday | 49°F | Light Rain Likely | 6 to 9 mph W | 59% |
| Saturday Night | 30°F | Chance Light Rain | 8 mph W | 50% |
| Sunday | 50°F | Slight Chance Light Rain then Partly Sunny | 12 mph W | 15% |
| Sunday Night | 28°F | Slight Chance Light Rain | 9 mph W | 18% |
| Monday | 51°F | Chance Light Rain | 12 mph W | 26% |
| Monday Night | 28°F | Slight Chance Light Rain then Partly Cloudy | 6 to 10 mph W | 17% |
| Tuesday | 54°F | Mostly Sunny then Slight Chance Light Rain | 10 to 14 mph W | 16% |
| Tuesday Night | 28°F | Slight Chance Light Rain | 5 to 9 mph W | 16% |
Forecast source: National Weather Service (api.weather.gov) for Mount Jewett (41.729, -78.640). Updated through the day.
Growing snapshot for Mount Jewett
Last spring frost
May 15
First fall frost
Oct 3
Growing season
140 days
Hardiness zone
5b
More local growing data for Mount Jewett: nearby ZIP 16733 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Bradford
Eldred
Foster Brook
Kane
Lewis Run
Port Allegany
Rew
Smethport
University of Pittsburgh Bradford
Climate data from the nearest NOAA station, Clermont 1 Nw, Pa (3.8 mi from Mount Jewett). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.