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Burnham, PA Weather & Growing Conditions

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

Overnight
45°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 45. East wind around 1 mph.

7-day forecast for Burnham

WhenTempForecastWindPrecip
Overnight 45°F Patchy Fog 1 mph E 0%
Wednesday 76°F Patchy Fog then Mostly Sunny 0 to 7 mph E 1%
Wednesday Night 58°F Light Rain 3 mph E 95%
Thursday 75°F Light Rain 1 to 6 mph S 77%
Thursday Night 49°F Slight Chance Light Rain then Mostly Cloudy 1 mph NW 18%
Friday 69°F Partly Sunny 1 mph NW 13%
Friday Night 43°F Partly Cloudy 1 mph NW 8%
Saturday 60°F Slight Chance Light Rain 1 to 9 mph W 21%
Saturday Night 36°F Slight Chance Light Rain 7 mph W 15%
Sunday 59°F Mostly Sunny 5 to 8 mph W 5%
Sunday Night 33°F Partly Cloudy 6 mph W 6%
Monday 58°F Mostly Sunny 5 to 10 mph W 7%
Monday Night 32°F Mostly Clear 1 to 5 mph W 3%
Tuesday 63°F Mostly Sunny 2 to 10 mph W 2%

Forecast source: National Weather Service (api.weather.gov) for Burnham (40.634, -77.563). Updated through the day.

Growing snapshot for Burnham

Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
185 days
Hardiness zone
7a

More local growing data for Burnham: nearby ZIP 17009 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Lewistown, Pa (3.4 mi from Burnham). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.