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Cowlitz County Weather Forecast
Cowlitz County, WA Weather Forecast Date: 502 PM PDT Fri Oct 23 2026
Weather forecast for Cowlitz County, WA
Tonight Lo: 35°F Lo: 2°C |
Tonight... Mostly clear this evening, then becoming partly cloudy. Patchy fog. Patchy frost after midnight. Lows in the mid 30s. Light and variable winds, becoming light after midnight. |
Sat Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Saturday... Patchy frost in the morning. Partly sunny. Highs in the lower 60s. Winds light in the morning, becoming light and variable. |
Sun Hi: 59°FHi: 15°C Lo: 41°F Lo: 5°C |
Sunday... Rain likely. Highs in the upper 50s. Southeast wind 5 to 10 mph. Chance of rain 70%. |
Mon Hi: 60°FHi: 16°C Lo: 41°F Lo: 5°C |
Monday... Mostly cloudy in the morning, then becoming partly sunny. A 50% chance of rain. Highs around 60. |
| Tue Hi: 59°FHi: 15°C Lo: 40°F Lo: 4°C |
Tuesday... Mostly cloudy with a 20% chance of rain. Patchy fog. Highs in the upper 50s. |
| Wed Hi: 60°FHi: 16°C Lo: 41°F Lo: 5°C |
Wednesday... Partly sunny with a 40% chance of rain. Highs around 60. |
| Thu Hi: 61°FHi: 16°C Lo: 39°F Lo: 4°C |
Thursday... Mostly sunny with a 20% chance of rain. Highs in the lower 60s. |
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