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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
62°F
Partly Sunny
Partly sunny. High near 62, with temperatures falling to around 57 in the afternoon. North wind around 1 mph.

7-day forecast for Kalama

WhenTempForecastWindPrecip
This Afternoon 62°F Partly Sunny 1 mph N 6%
Tonight 41°F Partly Cloudy then Patchy Fog 2 mph SSE 5%
Wednesday 58°F Partly Sunny then Chance Light Rain 3 to 8 mph SSE 54%
Wednesday Night 48°F Light Rain 1 to 6 mph SSE 96%
Thursday 57°F Slight Chance Light Rain then Partly Sunny 2 to 6 mph SSE 21%
Thursday Night 47°F Light Rain Likely 1 to 7 mph SE 72%
Friday 57°F Light Rain Likely 5 to 12 mph SE 72%
Friday Night 48°F Chance Light Rain 1 to 5 mph SE 31%
Saturday 64°F Partly Sunny then Chance Light Rain 2 to 8 mph SSE 28%
Saturday Night 51°F Light Rain Likely 7 to 12 mph SSE 69%
Sunday 59°F Light Rain Likely 1 to 8 mph SSW 67%
Sunday Night 46°F Slight Chance Light Rain then Patchy Fog 2 mph SE 22%
Monday 58°F Chance Light Rain 2 to 8 mph SE 47%
Monday Night 48°F Light Rain Likely 5 to 10 mph SSE 64%

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 Nov 4, 2026.