Mainville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mainville, a community in Columbia County, Pennsylvania.
Today
85°F
Areas Of Fog then Sunny
Areas of fog before 10am. Sunny, with a high near 85. Northeast wind around 1 mph.
7-day forecast for Mainville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Areas Of Fog then Sunny | 1 mph NE | 0% |
| Tonight | 65°F | Mostly Cloudy | 0 mph | 1% |
| Wednesday | 84°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 2 mph SE | 54% |
| Wednesday Night | 70°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 mph SE | 55% |
| Thursday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 3 mph S | 84% |
| Thursday Night | 71°F | Showers And Thunderstorms | 1 mph W | 84% |
| Friday | 87°F | Showers And Thunderstorms | 0 to 3 mph W | 75% |
| Friday Night | 69°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 mph NW | 75% |
| Saturday | 86°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 3 mph W | 55% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 1 mph NW | 55% |
| Sunday | 88°F | Mostly Sunny | 0 to 3 mph W | 12% |
| Sunday Night | 70°F | Mostly Clear | 2 mph W | 12% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 6 mph W | 26% |
| Monday Night | 68°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 3 mph W | 26% |
Forecast source: National Weather Service (api.weather.gov) for Mainville (40.983, -76.370). Updated through the day.
Growing snapshot for Mainville
Last spring frost
Apr 27
First fall frost
Oct 20
Growing season
172 days
Hardiness zone
6b
More local growing data for Mainville: nearby ZIP 17815 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Almedia
Aristes
Ashland
Benton
Berwick
Bloomsburg
Briar Creek
Buckhorn
Catawissa
Centralia
East Berwick
Elk Grove
Elysburg
Espy
Eyers Grove
Fernville
Foundryville
Iola
Jamison City
Jerseytown
Jonestown
Lightstreet
Lime Ridge
Locustdale
Mifflinville
Millville
Numidia
Orangeville
Rohrsburg
Rupert
Climate data from the nearest NOAA station, Bear Gap, Pa (14.4 mi from Mainville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.