Brush Prairie, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brush Prairie, a community in Clark County, Washington.
This Afternoon
78°F
Sunny
Sunny, with a high near 78. Northwest wind around 5 mph.
7-day forecast for Brush Prairie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 5 mph NW | 0% |
| Tonight | 51°F | Mostly Clear then Patchy Fog | 0 to 3 mph NNW | 0% |
| Sunday | 81°F | Patchy Fog then Mostly Sunny | 1 to 7 mph NNW | 0% |
| Sunday Night | 52°F | Partly Cloudy then Patchy Fog | 1 to 7 mph NNW | 0% |
| Monday | 76°F | Patchy Fog then Partly Sunny | 1 to 9 mph NW | 0% |
| Monday Night | 52°F | Partly Cloudy then Patchy Fog | 1 to 9 mph NW | 0% |
| Tuesday | 72°F | Patchy Fog then Partly Sunny | 1 to 8 mph NW | 0% |
| Tuesday Night | 48°F | Partly Cloudy then Areas Of Fog | 0 to 8 mph NNW | 0% |
| Wednesday | 70°F | Areas Of Fog then Partly Sunny | 0 to 6 mph NW | 0% |
| Wednesday Night | 49°F | Mostly Cloudy | 1 to 6 mph NNW | 2% |
| Thursday | 69°F | Partly Sunny | 1 to 8 mph NNW | 8% |
| Thursday Night | 49°F | Mostly Cloudy | 2 to 8 mph NNW | 13% |
| Friday | 67°F | Slight Chance Light Rain | 2 to 9 mph NW | 16% |
| Friday Night | 47°F | Partly Cloudy | 3 to 9 mph NNE | 11% |
Forecast source: National Weather Service (api.weather.gov) for Brush Prairie (45.725, -122.548). Updated through the day.
Growing snapshot for Brush Prairie
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
177 days
Hardiness zone
8b
More local growing data for Brush Prairie: nearby ZIP 98662 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Vancouver 4 Nne, Wa (3.6 mi from Brush Prairie). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.