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Millheim, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Millheim, a borough in Centre County, Pennsylvania.

Tonight
46°F
Mostly Clear then Areas Of Fog
Areas of fog after midnight. Mostly clear, with a low around 46. Southeast wind around 1 mph.

7-day forecast for Millheim

WhenTempForecastWindPrecip
Tonight 46°F Mostly Clear then Areas Of Fog 1 mph SE 0%
Wednesday 74°F Areas Of Fog then Mostly Sunny 0 to 8 mph S 0%
Wednesday Night 57°F Rain Showers 2 to 6 mph SE 93%
Thursday 72°F Rain Showers 3 to 7 mph S 85%
Thursday Night 50°F Mostly Cloudy then Slight Chance Rain Showers 2 mph SW 23%
Friday 68°F Chance Rain Showers 2 mph W 38%
Friday Night 43°F Chance Rain Showers 0 mph 25%
Saturday 60°F Slight Chance Rain Showers 1 to 8 mph NW 23%
Saturday Night 34°F Slight Chance Rain Showers then Partly Cloudy 2 to 6 mph W 23%
Sunday 58°F Mostly Sunny 2 to 7 mph W 10%
Sunday Night 32°F Partly Cloudy then Slight Chance Rain Showers 5 mph W 19%
Monday 57°F Chance Rain Showers 5 to 13 mph W 25%
Monday Night 32°F Slight Chance Rain Showers then Partly Cloudy 6 mph W 24%
Tuesday 61°F Mostly Sunny 6 to 14 mph W 10%

Forecast source: National Weather Service (api.weather.gov) for Millheim (40.894, -77.477). Updated through the day.

Growing snapshot for Millheim

Last spring frost
May 5
First fall frost
Oct 6
Growing season
153 days
Hardiness zone
6b

More local growing data for Millheim: nearby ZIP 16854 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Millheim, Pa (0.9 mi from Millheim). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.