Burnham, PA Weather & Growing Conditions

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

This Afternoon

80°F

Mostly Sunny

Mostly sunny, with a high near 80. North wind around 3 mph.

7-day forecast for Burnham

When	Temp	Forecast	Wind	Precip
This Afternoon	80°F	Mostly Sunny	3 mph N	0%
Tonight	51°F	Areas Of Fog	0 to 3 mph N	0%
Saturday	74°F	Areas Of Fog then Partly Sunny	2 mph NE	3%
Saturday Night	62°F	Mostly Cloudy then Rain Showers Likely	2 mph SE	65%
Sunday	75°F	Showers And Thunderstorms	3 mph S	98%
Sunday Night	57°F	Showers And Thunderstorms	1 to 6 mph NW	91%
Monday	69°F	Chance Rain Showers	6 mph NE	31%
Monday Night	54°F	Rain Showers Likely	3 to 7 mph NE	62%
Tuesday	62°F	Rain Showers Likely	7 mph E	64%
Tuesday Night	48°F	Rain Showers Likely	8 mph E	63%
Wednesday	60°F	Rain Showers Likely	5 to 8 mph E	55%
Wednesday Night	49°F	Chance Showers And Thunderstorms	5 mph NE	51%
Thursday	63°F	Chance Showers And Thunderstorms	5 mph NE	51%
Thursday Night	50°F	Chance Rain Showers	2 mph NE	38%

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

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

Nearby towns & communities

Atkinson Mills Barrville Belleville Church Hill Granville Highland Park Juniata Terrace Lewistown Longfellow Lumber City Maitland Mattawana McClure McVeytown Milroy Newton Hamilton Potlicker Flats Reedsville Siglerville Strodes Mills Wagner Yeagertown

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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 Sep 18, 2026.