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Marion Heights, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Marion Heights, a borough in Northumberland County, Pennsylvania.

Today
70°F
Mostly Sunny
Mostly sunny, with a high near 70. South wind 3 to 7 mph.

7-day forecast for Marion Heights

WhenTempForecastWindPrecip
Today 70°F Mostly Sunny 3 to 7 mph S 1%
Tonight 57°F Mostly Cloudy then Light Rain Likely 8 mph S 61%
Thursday 68°F Light Rain 5 to 9 mph S 94%
Thursday Night 53°F Chance Light Rain 0 to 3 mph W 41%
Friday 64°F Slight Chance Light Rain 2 mph NW 19%
Friday Night 45°F Slight Chance Light Rain then Partly Cloudy 2 mph NW 18%
Saturday 55°F Slight Chance Light Rain 3 to 7 mph W 23%
Saturday Night 40°F Slight Chance Light Rain 6 mph W 23%
Sunday 54°F Mostly Sunny 7 mph NW 6%
Sunday Night 36°F Partly Cloudy 5 mph W 6%
Monday 55°F Mostly Sunny 5 to 8 mph W 10%
Monday Night 35°F Partly Cloudy 6 mph W 7%
Tuesday 57°F Mostly Sunny 3 to 8 mph SW 3%
Tuesday Night 35°F Partly Cloudy 5 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for Marion Heights (40.804, -76.464). Updated through the day.

Growing snapshot for Marion Heights

Last spring frost
Apr 27
First fall frost
Oct 20
Growing season
172 days
Hardiness zone
6b

More local growing data for Marion Heights: nearby ZIP 17832 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Bear Gap, Pa (2.5 mi from Marion Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.