Belleville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belleville, a community in Mifflin County, Pennsylvania.
This Afternoon
79°F
Mostly Sunny
Mostly sunny, with a high near 79. North wind around 5 mph.
7-day forecast for Belleville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Mostly Sunny | 5 mph N | 0% |
| Tonight | 51°F | Partly Cloudy then Areas Of Fog | 3 mph NE | 0% |
| Saturday | 74°F | Areas Of Fog then Partly Sunny | 3 mph E | 3% |
| Saturday Night | 61°F | Mostly Cloudy then Rain Showers Likely | 3 mph SE | 62% |
| Sunday | 75°F | Showers And Thunderstorms | 5 mph S | 98% |
| Sunday Night | 56°F | Showers And Thunderstorms | 2 to 6 mph NW | 92% |
| Monday | 68°F | Chance Rain Showers | 6 mph NE | 31% |
| Monday Night | 54°F | Rain Showers Likely | 5 to 8 mph NE | 62% |
| Tuesday | 62°F | Rain Showers Likely | 8 mph E | 66% |
| Tuesday Night | 48°F | Rain Showers Likely | 8 mph E | 61% |
| Wednesday | 59°F | Rain Showers Likely | 8 mph E | 57% |
| Wednesday Night | 49°F | Chance Showers And Thunderstorms | 6 mph E | 51% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 5 mph NE | 51% |
| Thursday Night | 50°F | Chance Rain Showers | 3 mph NE | 37% |
Forecast source: National Weather Service (api.weather.gov) for Belleville (40.607, -77.720). Updated through the day.
Growing snapshot for Belleville
Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
185 days
Hardiness zone
6b
More local growing data for Belleville: nearby ZIP 17004 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Lewistown, Pa (8.5 mi from Belleville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.