Altoona, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altoona, a city in Blair County, Pennsylvania.
Today
84°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 84. Southeast wind 0 to 5 mph.
7-day forecast for Altoona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Sunny | 0 to 5 mph SE | 0% |
| Tonight | 63°F | Partly Cloudy | 1 to 5 mph E | 5% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph E | 46% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 5 mph SE | 36% |
| Thursday | 86°F | Showers And Thunderstorms | 5 mph SW | 86% |
| Thursday Night | 68°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 mph SW | 86% |
| Friday | 86°F | Showers And Thunderstorms | 5 mph W | 77% |
| Friday Night | 66°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph W | 77% |
| Saturday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph W | 41% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph W | 41% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 17% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph W | 17% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 10 mph W | 23% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 8 mph W | 27% |
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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Birmingham
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Dumb Hundred
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East Altoona
East Freedom
East Sharpsburg
Elberta
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Fisherville
Foot of Ten
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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 Aug 4, 2026.