Berwyn, PA Weather & Growing Conditions
Tonight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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 | 7% |
| Thursday | 71°F | Chance Light Rain | 5 to 10 mph S | 51% |
| Thursday Night | 61°F | Light Rain | 5 mph SW | 76% |
| Friday | 67°F | Light Rain | 0 to 5 mph W | 76% |
| Friday Night | 51°F | Light Rain Likely | 0 to 5 mph NW | 74% |
| Saturday | 63°F | Chance Light Rain | 5 to 10 mph NW | 31% |
| Saturday Night | 42°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 15% |
| Sunday | 59°F | Mostly Sunny | 5 to 10 mph NW | 8% |
| Sunday Night | 40°F | Slight Chance Light Rain | 5 to 10 mph W | 19% |
| Monday | 58°F | Slight Chance Light Rain | 10 to 15 mph NW | 22% |
| Monday Night | 39°F | Slight Chance Light Rain | 5 to 10 mph W | 22% |
| Tuesday | 61°F | Sunny | 10 to 15 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Berwyn, PA
Last spring frost
Apr 18
First fall frost
Oct 27
Growing season
192 days
Hardiness zone
7a
Explore more for Berwyn, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Phoenixville 1 E, Pa (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.