Mill Hall, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mill Hall, a borough in Clinton County, Pennsylvania.
This Afternoon
72°F
Partly Sunny
Partly sunny, with a high near 72. South wind around 2 mph.
7-day forecast for Mill Hall
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Partly Sunny | 2 mph S | 2% |
| Tonight | 47°F | Mostly Clear then Areas Of Fog | 1 mph E | 2% |
| Wednesday | 75°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph SE | 2% |
| Wednesday Night | 59°F | Mostly Cloudy then Rain Showers | 5 mph SE | 96% |
| Thursday | 74°F | Rain Showers | 3 to 7 mph S | 83% |
| Thursday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph W | 20% |
| Friday | 69°F | Chance Rain Showers | 1 mph NW | 37% |
| Friday Night | 44°F | Slight Chance Rain Showers | 1 mph NW | 21% |
| Saturday | 62°F | Chance Rain Showers | 2 to 7 mph NW | 28% |
| Saturday Night | 37°F | Chance Rain Showers then Partly Cloudy | 2 to 6 mph W | 28% |
| Sunday | 60°F | Mostly Sunny | 2 to 7 mph W | 9% |
| Sunday Night | 36°F | Slight Chance Rain Showers | 5 mph W | 20% |
| Monday | 59°F | Chance Rain Showers | 6 to 10 mph W | 28% |
| Monday Night | 35°F | Chance Rain Showers then Partly Cloudy | 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 Nov 3, 2026.