Folsom, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Folsom, a community in Delaware County, Pennsylvania.
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. Southwest wind 0 to 5 mph.
7-day forecast for Folsom
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 0 to 5 mph SW | 2% |
| Wednesday | 75°F | Patchy Fog then Sunny | 5 to 10 mph S | 4% |
| Wednesday Night | 60°F | Mostly Cloudy | 5 mph S | 6% |
| Thursday | 74°F | Chance Light Rain | 5 to 10 mph S | 38% |
| Thursday Night | 63°F | Light Rain | 5 mph S | 82% |
| Friday | 69°F | Light Rain | 5 mph W | 82% |
| Friday Night | 54°F | Light Rain | 0 to 5 mph NW | 78% |
| Saturday | 66°F | Chance Light Rain then Mostly Sunny | 5 to 10 mph NW | 35% |
| Saturday Night | 45°F | Partly Cloudy | 5 mph NW | 14% |
| Sunday | 61°F | Mostly Sunny | 5 mph W | 6% |
| Sunday Night | 44°F | Slight Chance Light Rain | 5 mph W | 18% |
| Monday | 61°F | Slight Chance Light Rain | 10 mph NW | 22% |
| Monday Night | 42°F | Slight Chance Light Rain | 5 to 10 mph W | 22% |
| Tuesday | 63°F | Sunny | 10 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Folsom (39.892, -75.329). Updated through the day.
Growing snapshot for Folsom
Last spring frost
Apr 2
First fall frost
Nov 10
Growing season
224 days
Hardiness zone
7b
More local growing data for Folsom: nearby ZIP 19033 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Aldan
Ardmore
Boothwyn
Brookhaven
Broomall
Bryn Mawr
Chester
Chester Heights
Cheyney University
Clifton Heights
Collingdale
Colwyn
Darby
Dilworthtown
Drexel Hill
East Lansdowne
Eddystone
Folcroft
Glenolden
Haverford College
Lansdowne
Lima
Linwood
Marcus Hook
Media
Morton
Norwood
Parkside
Prospect Park
Ridley Park
Climate data from the nearest NOAA station, Philadelphia Intl Ap, Pa (5.4 mi from Folsom). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.