Altoona, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altoona, a city in Blair County, Pennsylvania.
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. South wind around 5 mph.
7-day forecast for Altoona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 5 mph S | 1% |
| Tonight | 48°F | Mostly Clear | 3 mph SE | 2% |
| Wednesday | 75°F | Mostly Sunny | 2 to 8 mph SE | 2% |
| Wednesday Night | 59°F | Mostly Cloudy then Rain Showers | 7 mph S | 98% |
| Thursday | 73°F | Rain Showers Likely | 3 to 7 mph SW | 66% |
| Thursday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph W | 18% |
| Friday | 68°F | Chance Rain Showers | 3 mph W | 34% |
| Friday Night | 44°F | Slight Chance Rain Showers | 3 mph NW | 19% |
| Saturday | 58°F | Slight Chance Rain Showers | 3 to 9 mph NW | 24% |
| Saturday Night | 37°F | Slight Chance Rain Showers then Partly Cloudy | 8 mph W | 21% |
| Sunday | 56°F | Mostly Sunny | 8 mph W | 11% |
| Sunday Night | 35°F | Partly Cloudy then Slight Chance Rain Showers | 7 to 10 mph W | 17% |
| Monday | 56°F | Chance Rain Showers | 9 to 13 mph W | 25% |
| Monday Night | 36°F | Chance Rain Showers then Partly Cloudy | 10 mph W | 25% |
Forecast source: National Weather Service (api.weather.gov) for Altoona (40.508, -78.401). Updated through the day.
Growing snapshot for Altoona
Last spring frost
Apr 25
First fall frost
Oct 21
Growing season
176 days
Hardiness zone
6b
More local growing data for Altoona: nearby ZIP 16602 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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Brooks Mill
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Claysburg
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Cove Forge
Cross Keys
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Curryville
Dumb Hundred
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East Altoona
East Freedom
East Sharpsburg
Elberta
Eldorado
Fisherville
Foot of Ten
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Franklin Forge
Frankstown
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Friesville
Climate data from the nearest NOAA station, Altoona 3 W, Pa (3.7 mi from Altoona). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.