Harman US

Marklesburg, PA Weather & Growing Conditions

Today
78°F
Partly Sunny
Partly sunny. High near 78, with temperatures falling to around 71 in the afternoon. South wind 3 to 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 78°F Partly Sunny 3 to 8 mph S 1%
Tonight 60°F Light Rain 9 mph S 90%
Thursday 75°F Chance Light Rain 3 to 7 mph SW 54%
Thursday Night 50°F Mostly Cloudy 3 mph SW 5%
Friday 68°F Partly Sunny 2 mph W 13%
Friday Night 44°F Partly Cloudy 3 mph W 7%
Saturday 57°F Slight Chance Light Rain 5 to 9 mph W 21%
Saturday Night 38°F Slight Chance Light Rain then Mostly Cloudy 9 to 13 mph W 20%
Sunday 58°F Partly Sunny 12 mph W 8%
Sunday Night 35°F Partly Cloudy 13 mph W 5%
Monday 58°F Mostly Sunny 12 mph W 8%
Monday Night 35°F Mostly Clear 9 mph W 5%
Tuesday 62°F Mostly Sunny 10 mph W 3%
Tuesday Night 34°F Partly Cloudy 6 to 9 mph W 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Marklesburg, PA

Last spring frost
Apr 23
First fall frost
Oct 21
Growing season
177 days
Hardiness zone
6b

Explore more for Marklesburg, PA: full frost dates · planting calendar · Pennsylvania frost dates

Climate data from the nearest NOAA station, Altoona Blair Co Ap, Pa (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.