Lansdowne, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lansdowne, a borough in Delaware County, Pennsylvania.
Overnight
61°F
Partly Cloudy
Partly cloudy, with a low around 61. Northeast wind 5 to 10 mph.
7-day forecast for Lansdowne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Partly Cloudy | 5 to 10 mph NE | 0% |
| Saturday | 75°F | Mostly Sunny | 5 to 10 mph E | 2% |
| Saturday Night | 64°F | Mostly Cloudy then Patchy Fog | 5 to 10 mph E | 14% |
| Sunday | 77°F | Showers And Thunderstorms | 5 to 10 mph SE | 79% |
| Sunday Night | 63°F | Showers And Thunderstorms | 5 to 10 mph W | 83% |
| Monday | 70°F | Chance Rain Showers | 10 mph NE | 46% |
| Monday Night | 59°F | Chance Rain Showers | 10 mph NE | 32% |
| Tuesday | 65°F | Chance Rain Showers | 10 mph NE | 34% |
| Tuesday Night | 56°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Wednesday | 64°F | Chance Rain Showers | 15 mph NE | 35% |
| Wednesday Night | 55°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 38% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 37% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 32% |
| Friday | 68°F | Slight Chance Rain Showers | 10 mph N | 23% |
Forecast source: National Weather Service (api.weather.gov) for Lansdowne (39.941, -75.276). Updated through the day.
Growing snapshot for Lansdowne
Last spring frost
Mar 30
First fall frost
Nov 17
Growing season
232 days
Hardiness zone
7b
More local growing data for Lansdowne: nearby ZIP 19050 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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East Lansdowne
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Climate data from the nearest NOAA station, Phila Franklin Inst, Pa (5 mi from Lansdowne). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.