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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.