Mount Aetna, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Aetna, a community in Berks County, Pennsylvania.
Overnight
53°F
Mostly Clear
Mostly clear, with a low around 53. Northeast wind around 5 mph.
7-day forecast for Mount Aetna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Clear | 5 mph NE | 0% |
| Saturday | 72°F | Mostly Sunny | 5 to 10 mph E | 2% |
| Saturday Night | 60°F | Chance Rain Showers | 5 to 10 mph E | 59% |
| Sunday | 73°F | Rain Showers | 5 to 10 mph S | 96% |
| Sunday Night | 59°F | Patchy Fog | 5 to 10 mph NW | 95% |
| Monday | 69°F | Chance Rain Showers | 10 mph NE | 35% |
| Monday Night | 54°F | Chance Rain Showers | 10 to 15 mph NE | 38% |
| Tuesday | 62°F | Chance Rain Showers | 15 mph E | 48% |
| Tuesday Night | 49°F | Chance Rain Showers | 15 to 20 mph NE | 48% |
| Wednesday | 61°F | Chance Rain Showers | 15 to 20 mph NE | 42% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms | 15 mph NE | 42% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 15 mph NE | 42% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 5 to 15 mph NE | 37% |
| Friday | 67°F | Chance Rain Showers | 10 to 15 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov) for Mount Aetna (40.420, -76.296). Updated through the day.
Growing snapshot for Mount Aetna
Last spring frost
Apr 20
First fall frost
Oct 25
Growing season
185 days
Hardiness zone
7a
More local growing data for Mount Aetna: nearby ZIP 19544 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Lebanon 2 W, Pa (10.7 mi from Mount Aetna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.