Altoona, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altoona, a city in Blair County, Pennsylvania.
Today
73°F
Patchy Fog then Partly Sunny
Patchy fog before 8am. Partly sunny, with a high near 73. East wind around 5 mph.
7-day forecast for Altoona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Fog then Partly Sunny | 5 mph E | 5% |
| Tonight | 59°F | Rain Showers Likely | 7 mph SE | 69% |
| Sunday | 74°F | Showers And Thunderstorms | 6 mph SW | 88% |
| Sunday Night | 51°F | Chance Showers And Thunderstorms | 7 mph N | 40% |
| Monday | 66°F | Slight Chance Rain Showers | 6 mph NE | 21% |
| Monday Night | 48°F | Rain Showers Likely | 7 mph E | 65% |
| Tuesday | 58°F | Rain Showers Likely | 8 mph E | 65% |
| Tuesday Night | 46°F | Rain Showers Likely | 8 to 12 mph E | 58% |
| Wednesday | 57°F | Chance Rain Showers | 10 mph E | 54% |
| Wednesday Night | 46°F | Chance Rain Showers | 9 mph E | 49% |
| Thursday | 61°F | Chance Rain Showers | 7 mph E | 49% |
| Thursday Night | 46°F | Chance Showers And Thunderstorms | 6 mph NE | 46% |
| Friday | 66°F | Slight Chance Rain Showers | 6 mph N | 19% |
| Friday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 6 mph N | 18% |
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
Bald Eagle
Bellwood
Birmingham
Brooks Mill
Canan Station
Canoe Creek
Carson Valley
Charlottsville
Clappertown
Claysburg
Cotton Town
Cove Forge
Cross Keys
Culp
Curryville
Dumb Hundred
Duncansville
East Altoona
East Freedom
East Sharpsburg
Elberta
Eldorado
Fisherville
Foot of Ten
Fort Fetter
Fostoria
Franklin Forge
Frankstown
Fredericksburg
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 Sep 19, 2026.