Spring Mills, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spring Mills, a community in Centre County, Pennsylvania.
Today
72°F
Partly Sunny
Partly sunny, with a high near 72. East wind 1 to 5 mph.
7-day forecast for Spring Mills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Partly Sunny | 1 to 5 mph E | 2% |
| Tonight | 57°F | Rain Showers | 2 to 7 mph SE | 84% |
| Sunday | 71°F | Rain Showers | 7 mph S | 97% |
| Sunday Night | 47°F | Chance Showers And Thunderstorms | 8 mph NW | 41% |
| Monday | 67°F | Mostly Cloudy | 8 mph NE | 4% |
| Monday Night | 45°F | Chance Rain Showers | 7 mph NE | 50% |
| Tuesday | 60°F | Rain Showers Likely | 8 mph E | 56% |
| Tuesday Night | 43°F | Chance Rain Showers | 9 mph E | 47% |
| Wednesday | 59°F | Chance Rain Showers | 9 mph E | 45% |
| Wednesday Night | 44°F | Chance Rain Showers | 8 mph E | 37% |
| Thursday | 62°F | Chance Rain Showers | 7 mph E | 42% |
| Thursday Night | 43°F | Chance Rain Showers | 2 to 6 mph NE | 42% |
| Friday | 66°F | Chance Rain Showers | 3 to 7 mph N | 30% |
| Friday Night | 44°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 7 mph N | 23% |
Forecast source: National Weather Service (api.weather.gov) for Spring Mills (40.853, -77.565). Updated through the day.
Growing snapshot for Spring Mills
Last spring frost
May 5
First fall frost
Oct 6
Growing season
153 days
Hardiness zone
6b
More local growing data for Spring Mills: nearby ZIP 16875 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Millheim, Pa (6.6 mi from Spring Mills). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.