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East Cathlamet, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for East Cathlamet, a community in Wahkiakum County, Washington.

Overnight
51°F
Patchy Fog
Patchy fog. Mostly cloudy, with a low around 51. North northwest wind around 1 mph.

7-day forecast for East Cathlamet

WhenTempForecastWindPrecip
Overnight 51°F Patchy Fog 1 mph NNW 0%
Saturday 71°F Patchy Fog then Partly Sunny 0 to 7 mph NNW 0%
Saturday Night 50°F Partly Cloudy 6 mph NNW 1%
Sunday 73°F Mostly Sunny 2 to 8 mph NW 0%
Sunday Night 52°F Partly Cloudy 5 to 8 mph WNW 0%
Monday 70°F Partly Sunny 3 to 10 mph WNW 0%
Monday Night 52°F Mostly Cloudy 5 to 10 mph WNW 0%
Tuesday 67°F Partly Sunny 3 to 10 mph WNW 0%
Tuesday Night 50°F Mostly Cloudy 1 to 10 mph WNW 1%
Wednesday 66°F Partly Sunny 1 to 8 mph WNW 2%
Wednesday Night 50°F Mostly Cloudy 2 to 8 mph NW 2%
Thursday 66°F Mostly Cloudy 2 to 7 mph NNW 13%
Thursday Night 50°F Mostly Cloudy 7 mph NW 13%
Friday 65°F Partly Sunny 5 to 9 mph NW 10%

Forecast source: National Weather Service (api.weather.gov) for East Cathlamet (46.198, -123.360). Updated through the day.

Growing snapshot for East Cathlamet

Last spring frost
Apr 24
First fall frost
Oct 24
Growing season
184 days
Hardiness zone
8b

More local growing data for East Cathlamet: nearby ZIP 98612 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Clatskanie, Or (10.6 mi from East Cathlamet). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.