Mount Vista, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Vista, a community in Clark County, Washington.
This Afternoon
61°F
Partly Sunny
Partly sunny. High near 61, with temperatures falling to around 56 in the afternoon. West wind around 2 mph.
7-day forecast for Mount Vista
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Partly Sunny | 2 mph W | 7% |
| Tonight | 39°F | Areas Of Fog | 1 mph E | 5% |
| Wednesday | 57°F | Patchy Fog then Chance Light Rain | 3 mph SE | 51% |
| Wednesday Night | 46°F | Light Rain | 3 to 7 mph S | 95% |
| Thursday | 57°F | Chance Light Rain then Partly Sunny | 0 to 5 mph S | 33% |
| Thursday Night | 44°F | Light Rain Likely | 0 to 5 mph SE | 63% |
| Friday | 57°F | Light Rain Likely | 5 mph SE | 63% |
| Friday Night | 45°F | Slight Chance Light Rain | 3 mph SE | 23% |
| Saturday | 63°F | Partly Sunny then Slight Chance Light Rain | 5 mph SE | 16% |
| Saturday Night | 48°F | Light Rain Likely | 5 to 16 mph SSE | 70% |
| Sunday | 58°F | Light Rain Likely | 2 to 13 mph SSW | 70% |
| Sunday Night | 44°F | Slight Chance Light Rain | 2 mph ENE | 23% |
| Monday | 58°F | Chance Light Rain | 5 mph ESE | 49% |
| Monday Night | 46°F | Light Rain Likely | 5 to 12 mph SSE | 56% |
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 Nov 4, 2026.