Mill Hall, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mill Hall, a borough in Clinton County, Pennsylvania.
Today
85°F
Sunny
Sunny, with a high near 85. Southeast wind around 2 mph.
7-day forecast for Mill Hall
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 2 mph SE | 0% |
| Tonight | 62°F | Partly Cloudy | 2 mph E | 1% |
| Wednesday | 83°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 3 mph E | 46% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 0 to 3 mph SE | 36% |
| Thursday | 85°F | Showers And Thunderstorms | 0 to 5 mph SW | 84% |
| Thursday Night | 69°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph W | 84% |
| Friday | 85°F | Showers And Thunderstorms | 0 to 3 mph SW | 79% |
| Friday Night | 67°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph SW | 79% |
| Saturday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 44% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 mph W | 44% |
| Sunday | 89°F | Mostly Sunny | 1 to 6 mph W | 12% |
| Sunday Night | 69°F | Partly Cloudy | 1 to 5 mph SW | 12% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph W | 28% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 1 to 7 mph W | 28% |
Forecast source: National Weather Service (api.weather.gov) for Mill Hall (41.105, -77.488). Updated through the day.
Growing snapshot for Mill Hall
Last spring frost
Apr 30
First fall frost
Oct 20
Growing season
173 days
Hardiness zone
6b
More local growing data for Mill Hall: nearby ZIP 17751 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Lock Haven Sewage Plt, Pa (4.6 mi from Mill Hall). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.