Altoona, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altoona, a community in Wahkiakum County, Washington.
Overnight
57°F
Patchy Smoke
Patchy smoke. Clear, with a low around 57. Northeast wind around 8 mph.
7-day forecast for Altoona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Patchy Smoke | 8 mph NE | 0% |
| Tuesday | 81°F | Areas Of Smoke | 3 to 9 mph NNE | 0% |
| Tuesday Night | 59°F | Patchy Smoke | 3 to 9 mph N | 0% |
| Wednesday | 83°F | Patchy Smoke | 2 to 10 mph NNW | 0% |
| Wednesday Night | 56°F | Mostly Clear | 2 to 10 mph WNW | 0% |
| Thursday | 76°F | Sunny | 2 to 9 mph W | 0% |
| Thursday Night | 56°F | Partly Cloudy | 5 to 9 mph W | 0% |
| Friday | 72°F | Mostly Sunny | 3 to 12 mph WNW | 0% |
| Friday Night | 56°F | Mostly Clear | 7 to 12 mph WNW | 0% |
| Saturday | 70°F | Mostly Sunny | 7 to 14 mph WNW | 0% |
| Saturday Night | 56°F | Partly Cloudy | 8 to 14 mph WNW | 0% |
| Sunday | 67°F | Partly Sunny | 8 to 14 mph WNW | 1% |
| Sunday Night | 56°F | Partly Cloudy | 7 to 14 mph WNW | 1% |
| Monday | 68°F | Mostly Sunny | 6 to 13 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Altoona (46.270, -123.621). Updated through the day.
Growing snapshot for Altoona
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
8b
More local growing data for Altoona: nearby ZIP 98643 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Naselle 2 Ene, Wa (7.3 mi from Altoona). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.