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
41°F
Mostly Clear
Mostly clear, with a low around 41. East southeast wind around 3 mph.
7-day forecast for Deep River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Mostly Clear | 3 mph ESE | 3% |
| Wednesday | 58°F | Mostly Cloudy then Light Rain | 5 mph SE | 98% |
| Wednesday Night | 47°F | Light Rain Likely | 2 to 8 mph SSW | 72% |
| Thursday | 57°F | Slight Chance Light Rain then Partly Sunny | 3 mph S | 17% |
| Thursday Night | 48°F | Light Rain Likely | 1 to 7 mph SSE | 74% |
| Friday | 57°F | Light Rain | 5 to 9 mph SSE | 84% |
| Friday Night | 49°F | Light Rain Likely | 7 mph SSE | 74% |
| Saturday | 62°F | Chance Light Rain | 7 to 12 mph SSE | 51% |
| Saturday Night | 50°F | Light Rain | 12 to 18 mph SSW | 85% |
| Sunday | 57°F | Light Rain Likely | 2 to 14 mph SW | 65% |
| Sunday Night | 45°F | Chance Light Rain | 5 mph SE | 28% |
| Monday | 57°F | Chance Light Rain | 5 to 8 mph SE | 53% |
| Monday Night | 48°F | Light Rain Likely | 8 to 15 mph SSE | 72% |
| Tuesday | 58°F | Light Rain Likely | 10 to 14 mph SSE | 72% |
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 Nov 4, 2026.