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Chinook, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Chinook, a community in Pacific County, Washington.

Today
67°F
Partly Sunny
Partly sunny. High near 67, with temperatures falling to around 65 in the afternoon. North northwest wind 2 to 9 mph.

7-day forecast for Chinook

WhenTempForecastWindPrecip
Today 67°F Partly Sunny 2 to 9 mph NNW 0%
Tonight 55°F Partly Cloudy 5 to 8 mph NNW 0%
Sunday 67°F Partly Sunny 5 to 14 mph NNW 0%
Sunday Night 55°F Partly Cloudy 5 to 14 mph NNW 0%
Monday 68°F Partly Sunny 3 to 13 mph NNW 0%
Monday Night 56°F Mostly Cloudy 6 to 13 mph NNW 0%
Tuesday 66°F Partly Sunny 5 to 12 mph NNW 0%
Tuesday Night 54°F Mostly Cloudy 2 to 12 mph NNW 4%
Wednesday 63°F Partly Sunny 2 to 8 mph NNW 4%
Wednesday Night 53°F Mostly Cloudy 8 mph NNW 5%
Thursday 62°F Partly Sunny then Slight Chance Light Rain 5 to 15 mph N 15%
Thursday Night 53°F Slight Chance Light Rain 8 to 15 mph NNW 19%
Friday 62°F Mostly Sunny 6 to 14 mph NNW 9%
Friday Night 52°F Partly Cloudy 6 to 14 mph NNW 8%

Forecast source: National Weather Service (api.weather.gov) for Chinook (46.276, -123.942). Updated through the day.

Growing snapshot for Chinook

Last spring frost
Apr 6
First fall frost
Oct 26
Growing season
200 days
Hardiness zone
8b

More local growing data for Chinook: nearby ZIP 98614 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Long Beach Exp Stn, Wa (8.1 mi from Chinook). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.