Deep River, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deep River, a community in Pacific County, Washington.
Today
87°F
Areas Of Smoke
Areas of smoke after 9am. Sunny. High near 87, with temperatures falling to around 85 in the afternoon. North wind 3 to 8 mph.
7-day forecast for Deep River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Areas Of Smoke | 3 to 8 mph N | 0% |
| Tonight | 59°F | Patchy Smoke | 2 to 7 mph NNW | 0% |
| Wednesday | 89°F | Patchy Smoke | 2 to 7 mph N | 0% |
| Wednesday Night | 57°F | Mostly Clear | 0 to 7 mph NW | 0% |
| Thursday | 83°F | Sunny | 0 to 6 mph WNW | 0% |
| Thursday Night | 56°F | Partly Cloudy | 1 to 6 mph WNW | 0% |
| Friday | 78°F | Mostly Sunny | 1 to 8 mph WNW | 0% |
| Friday Night | 55°F | Mostly Clear | 3 to 8 mph NW | 0% |
| Saturday | 73°F | Mostly Sunny | 3 to 10 mph NW | 0% |
| Saturday Night | 55°F | Partly Cloudy | 5 to 10 mph NW | 1% |
| Sunday | 70°F | Partly Sunny | 5 to 10 mph NW | 1% |
| Sunday Night | 55°F | Partly Cloudy | 3 to 10 mph NW | 1% |
| Monday | 71°F | Mostly Sunny | 3 to 9 mph NW | 1% |
| Monday Night | 55°F | Partly Cloudy | 3 to 9 mph NW | 2% |
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 Aug 4, 2026.