Lansdale, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lansdale, a borough in Montgomery County, Pennsylvania.
Tonight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. Northeast wind around 5 mph.
7-day forecast for Lansdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Partly Cloudy | 5 mph NE | 0% |
| Saturday | 73°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Saturday Night | 61°F | Patchy Fog | 5 mph E | 26% |
| Sunday | 74°F | Showers And Thunderstorms | 5 to 10 mph S | 83% |
| Sunday Night | 60°F | Showers And Thunderstorms | 5 to 10 mph NW | 83% |
| Monday | 68°F | Chance Rain Showers | 10 mph NE | 39% |
| Monday Night | 55°F | Chance Rain Showers | 5 to 10 mph NE | 30% |
| Tuesday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 36% |
| Tuesday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 35% |
| Wednesday | 62°F | Chance Rain Showers | 15 mph NE | 34% |
| Wednesday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 38% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 35% |
| Thursday Night | 51°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 33% |
| Friday | 67°F | Slight Chance Rain Showers | 10 mph N | 24% |
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 Sep 19, 2026.