Aldan, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Aldan, a borough in Delaware County, Pennsylvania.
This Afternoon
70°F
Partly Sunny
Partly sunny, with a high near 70. Southwest wind around 5 mph.
7-day forecast for Aldan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Partly Sunny | 5 mph SW | 1% |
| Tonight | 52°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Wednesday | 75°F | Patchy Fog then Sunny | 5 to 10 mph S | 3% |
| Wednesday Night | 60°F | Mostly Cloudy | 5 mph S | 5% |
| 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 | 5 mph NW | 79% |
| Saturday | 66°F | Chance Light Rain | 5 to 10 mph NW | 36% |
| Saturday Night | 44°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 15% |
| Sunday | 61°F | Mostly Sunny | 5 to 10 mph W | 7% |
| Sunday Night | 43°F | Partly Cloudy then Slight Chance Light Rain | 5 mph W | 18% |
| Monday | 60°F | Slight Chance Light Rain | 10 mph NW | 22% |
| Monday Night | 42°F | Slight Chance Light Rain | 5 to 10 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov) for Aldan (39.922, -75.288). Updated through the day.
Growing snapshot for Aldan
Last spring frost
Apr 2
First fall frost
Nov 10
Growing season
224 days
Hardiness zone
7b
More local growing data for Aldan: nearby ZIP 19018 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Philadelphia Intl Ap, Pa (5.2 mi from Aldan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.