Aldan, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Aldan, a borough in Delaware County, Pennsylvania.
Overnight
62°F
Partly Cloudy
Partly cloudy, with a low around 62. Northeast wind around 10 mph.
7-day forecast for Aldan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Partly Cloudy | 10 mph NE | 0% |
| Saturday | 75°F | Mostly Sunny | 5 to 10 mph E | 2% |
| Saturday Night | 64°F | Mostly Cloudy then Patchy Fog | 5 to 10 mph E | 14% |
| Sunday | 78°F | Showers And Thunderstorms | 5 to 10 mph SE | 78% |
| Sunday Night | 63°F | Showers And Thunderstorms | 5 to 10 mph W | 83% |
| Monday | 71°F | Chance Rain Showers | 10 mph NE | 47% |
| Monday Night | 60°F | Chance Rain Showers | 10 mph NE | 32% |
| Tuesday | 65°F | Chance Rain Showers | 10 mph NE | 34% |
| Tuesday Night | 56°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Wednesday | 64°F | Chance Rain Showers | 15 mph NE | 35% |
| Wednesday Night | 55°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 38% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 37% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 32% |
| Friday | 69°F | Slight Chance Rain Showers | 10 mph N | 23% |
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 Sep 19, 2026.