Malvern, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Malvern, a borough in Chester County, Pennsylvania.
Overnight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. Northeast wind around 5 mph.
7-day forecast for Malvern
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Partly Cloudy | 5 mph NE | 0% |
| Saturday | 76°F | Partly Sunny | 5 mph NE | 2% |
| Saturday Night | 59°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 17% |
| Sunday | 75°F | Chance Rain Showers | 5 to 10 mph S | 52% |
| Sunday Night | 57°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph W | 74% |
| Monday | 68°F | Chance Rain Showers | 5 to 10 mph NE | 28% |
| Monday Night | 51°F | Chance Rain Showers | 5 to 10 mph NE | 37% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 43% |
| Tuesday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Wednesday | 62°F | Chance Rain Showers | 15 mph NE | 32% |
| Wednesday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Thursday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Thursday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Friday | 65°F | Chance Rain Showers | 10 to 15 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov) for Malvern (40.033, -75.515). Updated through the day.
Growing snapshot for Malvern
Last spring frost
Apr 18
First fall frost
Oct 27
Growing season
192 days
Hardiness zone
7a
More local growing data for Malvern: nearby ZIP 19355 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Phoenixville 1 E, Pa (5.5 mi from Malvern). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.