Altamont, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altamont, a community in Schuylkill County, Pennsylvania.
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. North wind around 5 mph.
7-day forecast for Altamont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 5 mph N | 0% |
| Tonight | 49°F | Mostly Clear | 6 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 3 mph E | 2% |
| Saturday Night | 56°F | Mostly Cloudy then Rain Showers Likely | 2 to 8 mph SE | 68% |
| Sunday | 65°F | Rain Showers | 3 to 8 mph S | 98% |
| Sunday Night | 56°F | Showers And Thunderstorms | 3 to 7 mph NW | 98% |
| Monday | 63°F | Chance Rain Showers | 3 to 7 mph NE | 31% |
| Monday Night | 51°F | Chance Rain Showers | 2 to 8 mph E | 43% |
| Tuesday | 57°F | Chance Rain Showers | 5 to 8 mph E | 46% |
| Tuesday Night | 47°F | Chance Rain Showers | 5 to 9 mph E | 46% |
| Wednesday | 55°F | Chance Rain Showers | 6 to 9 mph E | 43% |
| Wednesday Night | 47°F | Chance Showers And Thunderstorms | 7 mph E | 39% |
| Thursday | 58°F | Chance Showers And Thunderstorms | 7 mph NE | 39% |
| Thursday Night | 48°F | Chance Showers And Thunderstorms | 3 mph NE | 37% |
Forecast source: National Weather Service (api.weather.gov) for Altamont (40.785, -76.217). Updated through the day.
Growing snapshot for Altamont
Last spring frost
Apr 30
First fall frost
Oct 22
Growing season
175 days
Hardiness zone
6b
More local growing data for Altamont: nearby ZIP 17931 weather · frost dates · planting calendar · Pennsylvania frost dates
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Mahanoy City
Climate data from the nearest NOAA station, Mahanoy City 2 N, Pa (5 mi from Altamont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.