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Kalama, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Kalama, a city in Cowlitz County, Washington.

Overnight
53°F
Mostly Cloudy
Mostly cloudy, with a low around 53. North northwest wind around 2 mph.

7-day forecast for Kalama

WhenTempForecastWindPrecip
Overnight 53°F Mostly Cloudy 2 mph NNW 0%
Saturday 78°F Patchy Fog then Partly Sunny 1 to 5 mph NNW 0%
Saturday Night 53°F Mostly Clear 5 mph NNW 0%
Sunday 80°F Mostly Sunny 7 mph NNW 0%
Sunday Night 54°F Mostly Clear 7 mph NNW 0%
Monday 76°F Mostly Sunny 5 to 8 mph NW 0%
Monday Night 54°F Partly Cloudy 3 to 8 mph NW 0%
Tuesday 73°F Partly Sunny 3 to 7 mph NW 0%
Tuesday Night 51°F Partly Cloudy 1 to 7 mph NW 1%
Wednesday 72°F Partly Sunny 1 to 5 mph NW 1%
Wednesday Night 52°F Mostly Cloudy 5 mph NNW 1%
Thursday 70°F Partly Sunny 2 to 7 mph NNW 13%
Thursday Night 51°F Mostly Cloudy 7 mph NNW 13%
Friday 68°F Mostly Sunny 7 mph NW 10%

Forecast source: National Weather Service (api.weather.gov) for Kalama (46.017, -122.842). Updated through the day.

Growing snapshot for Kalama

Last spring frost
Apr 8
First fall frost
Nov 5
Growing season
210 days
Hardiness zone
8b

More local growing data for Kalama: nearby ZIP 98609 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Longview, Wa (6 mi from Kalama). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.