Deep River, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deep River, a community in Pacific County, Washington.
Tonight
50°F
Patchy Fog
Patchy fog between 9pm and 5am. Mostly cloudy, with a low around 50. North northwest wind around 2 mph.
7-day forecast for Deep River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Patchy Fog | 2 mph NNW | 0% |
| Saturday | 70°F | Patchy Fog then Partly Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 50°F | Partly Cloudy | 5 mph NNW | 0% |
| Sunday | 71°F | Mostly Sunny | 2 to 7 mph NNW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 2 to 7 mph NW | 0% |
| Monday | 69°F | Partly Sunny | 2 to 8 mph NW | 0% |
| Monday Night | 52°F | Partly Cloudy | 2 to 8 mph NW | 0% |
| Tuesday | 67°F | Partly Sunny | 2 to 7 mph NW | 1% |
| Tuesday Night | 50°F | Mostly Cloudy then Patchy Fog | 1 to 7 mph NNW | 1% |
| Wednesday | 68°F | Patchy Fog then Partly Sunny | 0 to 5 mph NNE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 5 mph N | 5% |
| Thursday | 69°F | Partly Sunny then Slight Chance Light Rain | 5 mph NE | 15% |
| Thursday Night | 52°F | Chance Light Rain | 5 mph WNW | 27% |
| Friday | 65°F | Slight Chance Light Rain | 2 to 7 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov) for Deep River (46.354, -123.705). Updated through the day.
Growing snapshot for Deep River
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
8b
More local growing data for Deep River: nearby ZIP 98638 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Bay Center
Chinook
Grays River
Ilwaco
Lebam
Long Beach
Naselle
Ocean Park
Raymond
South Bend
Tokeland
Willapa
Climate data from the nearest NOAA station, Naselle 2 Ene, Wa (1.5 mi from Deep River). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.