Mount Jewett, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Jewett, a borough in Mckean County, Pennsylvania.
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. North wind around 6 mph.
7-day forecast for Mount Jewett
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 6 mph N | 0% |
| Tonight | 46°F | Mostly Cloudy then Patchy Fog | 2 to 6 mph NE | 1% |
| Saturday | 67°F | Patchy Fog then Partly Sunny | 5 mph SE | 5% |
| Saturday Night | 54°F | Showers And Thunderstorms | 7 mph SE | 88% |
| Sunday | 67°F | Showers And Thunderstorms | 7 mph SW | 92% |
| Sunday Night | 47°F | Rain Showers Likely | 7 to 10 mph NE | 55% |
| Monday | 62°F | Slight Chance Rain Showers | 8 to 12 mph NE | 22% |
| Monday Night | 45°F | Chance Rain Showers | 10 mph E | 50% |
| Tuesday | 58°F | Chance Rain Showers | 10 mph E | 50% |
| Tuesday Night | 43°F | Chance Rain Showers | 12 to 16 mph E | 54% |
| Wednesday | 56°F | Chance Rain Showers | 9 to 13 mph SE | 54% |
| Wednesday Night | 43°F | Chance Showers And Thunderstorms | 8 to 12 mph SE | 53% |
| Thursday | 58°F | Chance Rain Showers | 8 mph E | 53% |
| Thursday Night | 44°F | Chance Rain Showers | 2 to 7 mph NE | 42% |
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 Sep 18, 2026.