Muncy, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Muncy, a borough in Lycoming County, Pennsylvania.
This Afternoon
67°F
Partly Sunny
Partly sunny, with a high near 67. Southeast wind around 3 mph.
7-day forecast for Muncy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Partly Sunny | 3 mph SE | 2% |
| Tonight | 48°F | Partly Cloudy then Patchy Fog | 1 mph SE | 2% |
| Wednesday | 73°F | Patchy Fog then Mostly Sunny | 1 to 9 mph SE | 2% |
| Wednesday Night | 59°F | Mostly Cloudy then Rain Showers | 6 to 9 mph S | 85% |
| Thursday | 72°F | Rain Showers | 5 to 9 mph S | 90% |
| Thursday Night | 53°F | Chance Rain Showers | 0 to 3 mph W | 30% |
| Friday | 68°F | Chance Rain Showers | 1 mph NW | 38% |
| Friday Night | 46°F | Chance Rain Showers | 2 mph NW | 38% |
| Saturday | 62°F | Chance Rain Showers | 3 to 9 mph NW | 27% |
| Saturday Night | 38°F | Chance Rain Showers then Partly Cloudy | 5 to 8 mph NW | 27% |
| Sunday | 60°F | Mostly Sunny | 3 to 7 mph W | 8% |
| Sunday Night | 35°F | Slight Chance Rain Showers | 5 mph W | 19% |
| Monday | 59°F | Chance Rain Showers | 5 to 14 mph NW | 25% |
| Monday Night | 34°F | Chance Rain Showers | 5 to 8 mph SW | 25% |
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
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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 Nov 3, 2026.