Malvern, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Malvern, a borough in Chester County, Pennsylvania.
This Afternoon
69°F
Mostly Sunny
Mostly sunny, with a high near 69. Southwest wind around 5 mph.
7-day forecast for Malvern
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 5 mph SW | 1% |
| Tonight | 50°F | Partly Cloudy | 5 mph S | 2% |
| Wednesday | 73°F | Patchy Fog then Sunny | 5 to 10 mph S | 3% |
| Wednesday Night | 59°F | Mostly Cloudy | 5 mph S | 8% |
| Thursday | 72°F | Chance Light Rain | 5 to 10 mph S | 54% |
| Thursday Night | 61°F | Light Rain | 0 to 5 mph SW | 75% |
| Friday | 68°F | Light Rain | 0 to 5 mph W | 75% |
| Friday Night | 50°F | Light Rain Likely | 0 to 5 mph NW | 72% |
| Saturday | 64°F | Chance Light Rain | 5 to 10 mph NW | 29% |
| Saturday Night | 41°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 15% |
| Sunday | 59°F | Mostly Sunny | 5 to 10 mph W | 8% |
| Sunday Night | 39°F | Slight Chance Light Rain | 5 mph W | 19% |
| Monday | 59°F | Slight Chance Light Rain | 10 to 15 mph NW | 23% |
| Monday Night | 38°F | Slight Chance Light Rain | 5 to 10 mph W | 22% |
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 Nov 4, 2026.