Muncy, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Muncy, a borough in Lycoming County, Pennsylvania.
Today
84°F
Sunny
Sunny, with a high near 84. South wind around 1 mph.
7-day forecast for Muncy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 1 mph S | 0% |
| Tonight | 62°F | Partly Cloudy | 1 mph S | 1% |
| Wednesday | 83°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph SE | 15% |
| Wednesday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SE | 49% |
| Thursday | 86°F | Slight Chance Showers And Thunderstorms | 0 to 6 mph S | 83% |
| Thursday Night | 71°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 3 mph SW | 83% |
| Friday | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 73% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph W | 73% |
| Saturday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 6 mph W | 46% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 3 mph W | 46% |
| Sunday | 89°F | Mostly Sunny | 0 to 6 mph W | 12% |
| Sunday Night | 68°F | Partly Cloudy | 0 to 5 mph W | 12% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 9 mph W | 27% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 7 mph W | 27% |
Forecast source: National Weather Service (api.weather.gov) for Muncy (41.202, -76.786). Updated through the day.
Growing snapshot for Muncy
Last spring frost
Apr 24
First fall frost
Oct 23
Growing season
180 days
Hardiness zone
6b
More local growing data for Muncy: nearby ZIP 17756 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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South Williamsport
Williamsport
Climate data from the nearest NOAA station, Williamsport, Pa (10.3 mi from Muncy). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.