Mount Vista, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Vista, a community in Clark County, Washington.
Overnight
56°F
Areas Of Smoke
Areas of smoke. Clear. Low around 56, with temperatures rising to around 58 overnight. North northwest wind around 8 mph.
7-day forecast for Mount Vista
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Areas Of Smoke | 8 mph NNW | 0% |
| Tuesday | 94°F | Areas Of Smoke | 8 mph NNE | 0% |
| Tuesday Night | 61°F | Smoke | 5 to 9 mph NNW | 0% |
| Wednesday | 97°F | Areas Of Smoke | 3 to 7 mph NNW | 0% |
| Wednesday Night | 63°F | Clear | 2 to 7 mph N | 0% |
| Thursday | 96°F | Sunny | 0 to 7 mph NNW | 0% |
| Thursday Night | 60°F | Clear | 2 to 8 mph NNW | 0% |
| Friday | 90°F | Sunny | 1 to 10 mph NNW | 0% |
| Friday Night | 58°F | Mostly Clear | 3 to 10 mph NNW | 0% |
| Saturday | 85°F | Sunny | 2 to 14 mph NNW | 0% |
| Saturday Night | 55°F | Mostly Clear | 3 to 14 mph NW | 0% |
| Sunday | 79°F | Sunny | 3 to 12 mph NW | 0% |
| Sunday Night | 54°F | Mostly Clear | 2 to 12 mph NW | 0% |
| Monday | 79°F | Sunny | 2 to 10 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Mount Vista (45.737, -122.632). Updated through the day.
Growing snapshot for Mount Vista
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
177 days
Hardiness zone
8b
More local growing data for Mount Vista: nearby ZIP 98686 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Vancouver 4 Nne, Wa (3.4 mi from Mount Vista). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.