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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.

This Afternoon
78°F
Mostly Sunny
Mostly sunny. High near 78, with temperatures falling to around 76 in the afternoon. North northwest wind around 5 mph.

7-day forecast for Kalama

WhenTempForecastWindPrecip
This Afternoon 78°F Mostly Sunny 5 mph NNW 0%
Tonight 53°F Mostly Clear 5 mph NNW 0%
Sunday 80°F Mostly Sunny 7 mph NNW 1%
Sunday Night 54°F Partly Cloudy 6 mph NNW 0%
Monday 77°F Partly Sunny 5 to 8 mph NNW 0%
Monday Night 54°F Partly Cloudy 3 to 8 mph NW 0%
Tuesday 73°F Partly Sunny 3 to 8 mph NW 0%
Tuesday Night 51°F Partly Cloudy 0 to 8 mph NW 2%
Wednesday 71°F Patchy Fog then Partly Sunny 0 to 6 mph WNW 4%
Wednesday Night 51°F Mostly Cloudy 2 to 6 mph NW 2%
Thursday 69°F Partly Sunny 2 to 7 mph NNW 10%
Thursday Night 51°F Mostly Cloudy 3 to 7 mph NNW 14%
Friday 67°F Slight Chance Light Rain 3 to 8 mph NNW 17%
Friday Night 49°F Partly Cloudy 2 to 7 mph NNW 11%

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.