Mainesburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mainesburg, a community in Tioga County, Pennsylvania.
Today
79°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 79. South wind 0 to 3 mph.
7-day forecast for Mainesburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Patchy Fog then Sunny | 0 to 3 mph S | 0% |
| Tonight | 61°F | Partly Cloudy then Patchy Fog | 3 mph S | 0% |
| Wednesday | 79°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 2 to 8 mph S | 19% |
| Wednesday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph S | 24% |
| Thursday | 82°F | Showers And Thunderstorms | 3 to 8 mph SW | 83% |
| Thursday Night | 66°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 6 mph SW | 83% |
| Friday | 81°F | Showers And Thunderstorms | 2 to 7 mph SW | 81% |
| Friday Night | 65°F | Showers And Thunderstorms | 1 to 5 mph SW | 81% |
| Saturday | 80°F | Showers And Thunderstorms Likely | 2 to 8 mph W | 65% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 65% |
| Sunday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph SW | 19% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 19% |
| Monday | 82°F | Chance Showers And Thunderstorms | 5 to 12 mph W | 40% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 3 to 10 mph W | 40% |
Forecast source: National Weather Service (api.weather.gov) for Mainesburg (41.782, -76.995). Updated through the day.
Growing snapshot for Mainesburg
Last spring frost
May 16
First fall frost
Oct 2
Growing season
139 days
Hardiness zone
6a
More local growing data for Mainesburg: nearby ZIP 16932 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Arnot
Blossburg
Elkland
Knoxville
Lawrenceville
Liberty
Mansfield
Millerton
Morris Run
Roseville
Sabinsville
Tioga
Wellsboro
Westfield
Climate data from the nearest NOAA station, Canton, Pa (10 mi from Mainesburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.