Harman US

Lansdowne, PA Weather & Growing Conditions

Tonight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. South wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Partly Cloudy 5 mph S 2%
Wednesday 75°F Patchy Fog then Sunny 5 to 10 mph S 3%
Wednesday Night 59°F Mostly Cloudy 5 mph S 5%
Thursday 74°F Chance Light Rain 5 to 10 mph S 39%
Thursday Night 63°F Light Rain 5 mph S 82%
Friday 69°F Light Rain 5 mph W 82%
Friday Night 54°F Light Rain 5 mph NW 78%
Saturday 65°F Chance Light Rain 5 to 10 mph NW 36%
Saturday Night 44°F Slight Chance Light Rain then Partly Cloudy 5 mph NW 15%
Sunday 60°F Mostly Sunny 5 to 10 mph W 7%
Sunday Night 42°F Partly Cloudy then Slight Chance Light Rain 5 mph W 18%
Monday 60°F Slight Chance Light Rain 10 to 15 mph NW 22%
Monday Night 41°F Slight Chance Light Rain 5 to 10 mph W 22%
Tuesday 63°F Sunny 10 to 15 mph W 14%

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

Growing snapshot for Lansdowne, PA

Last spring frost
Mar 30
First fall frost
Nov 17
Growing season
232 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Phila Franklin Inst, Pa (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.