Lansdale, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lansdale, a borough in Montgomery County, Pennsylvania.
Overnight
49°F
Mostly Clear
Mostly clear, with a low around 49. South wind around 0 mph.
7-day forecast for Lansdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Clear | 0 mph | 1% |
| Wednesday | 73°F | Sunny | 0 to 5 mph S | 2% |
| Wednesday Night | 58°F | Mostly Cloudy | 5 mph S | 2% |
| Thursday | 72°F | Light Rain Likely | 5 to 10 mph S | 59% |
| Thursday Night | 60°F | Light Rain | 0 to 5 mph SW | 85% |
| Friday | 69°F | Light Rain | 0 mph | 85% |
| Friday Night | 49°F | Light Rain | 0 to 5 mph NW | 75% |
| Saturday | 63°F | Mostly Sunny | 5 to 10 mph W | 9% |
| Saturday Night | 41°F | Partly Cloudy | 5 to 10 mph W | 9% |
| Sunday | 59°F | Mostly Sunny | 5 to 10 mph NW | 4% |
| Sunday Night | 37°F | Mostly Clear | 5 to 10 mph W | 5% |
| Monday | 58°F | Sunny then Slight Chance Light Rain | 10 to 15 mph W | 15% |
| Monday Night | 36°F | Slight Chance Light Rain then Mostly Clear | 5 mph W | 15% |
| Tuesday | 61°F | Sunny | 5 to 15 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Lansdale (40.242, -75.281). Updated through the day.
Growing snapshot for Lansdale
Last spring frost
Apr 24
First fall frost
Oct 15
Growing season
173 days
Hardiness zone
7a
More local growing data for Lansdale: nearby ZIP 19446 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Graterford 1 E, Pa (6.4 mi from Lansdale). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.