Weather World
Town of Cathlamet, WACathlamet, WA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Cathlamet, WA Weather Forecast
Cathlamet, WA Weather Forecast Date: 501 PM PDT Thu Oct 01 2026
The area/counties/county of: Willapa And Wahkiakum Lowlands, including the cities of: Cathlamet, Rosburg, Lebam, and Willapa.or toggle through each period.
Tonight... Mostly cloudy. Lows in the lower 50s. Winds light this evening, becoming light and variable.
Friday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s. Light and variable winds, becoming light in the afternoon.
Friday Night... Mostly cloudy. Patchy fog. Lows in the lower 50s. Winds light in the evening, becoming light and variable.
Saturday... Mostly sunny. Highs in the mid 70s. Winds light.
Saturday Night... Mostly clear. Lows in the lower 50s. Winds light.
Sunday... Sunny. Highs in the upper 70s.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.
Monday... Partly sunny. Highs around 70.
Monday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s.
Tuesday Night... Partly cloudy. Lows in the lower 50s.
Wednesday... Mostly sunny. Highs around 70.
Wednesday Night... Mostly clear. Lows in the lower 50s.
POP = Probability of Precipitation
Cathlamet Radar Loop
Use the map search tool if you want to place a location marker on the radar map...