Lansdale, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lansdale, a borough in Montgomery County, Pennsylvania.
Overnight
63°F
Partly Cloudy
Partly cloudy, with a low around 63. North wind around 0 mph.
7-day forecast for Lansdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 84°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Tuesday Night | 65°F | Mostly Cloudy | 0 mph | 5% |
| Wednesday | 84°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph E | 59% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 70% |
| Thursday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph SW | 36% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 44% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 44% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 39% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 39% |
| Sunday | 88°F | Mostly Sunny | 0 to 5 mph W | 13% |
| Sunday Night | 70°F | Mostly Clear | 0 to 5 mph SW | 13% |
| Monday | 89°F | Sunny | 0 to 10 mph W | 10% |
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 Aug 4, 2026.