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Cathlamet, WA Weather Forecast

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Cathlamet, WA Weather Forecast

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Cathlamet WA weather - Mostly Cloudy - 55°F
Mostly Cloudy
55°F
Updated 9:42 am
Feels Like 52°F
Humidity 87%
Wind NNW 9 mph
Barometer  30.12 in
Dew Point 51°F
Cathlamet WA weather - Mostly Cloudy - 13°C
Mostly Cloudy
13°C
Updated 9:42 am
Feels Like 11°C
Humidity 87%
Wind NNW 14 km/h
Barometer  101.9 kPa
Dew Point 11°C
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Cathlamet Weather Forecast

TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT
Cathlamet, WA Weather - Today Partly Sunny Cathlamet, WA Weather - Tonight Mostly Cloudy Cathlamet, WA Weather - Thursday Partly Sunny Cathlamet, WA Weather - Thursday Night Partly Cloudy Cathlamet, WA Weather - Friday Partly Sunny Cathlamet, WA Weather - Friday Night Partly Cloudy Cathlamet, WA Weather - Saturday Mostly Sunny Cathlamet, WA Weather - Saturday Night Mostly Clear Cathlamet, WA Weather - Sunday Sunny Cathlamet, WA Weather - Sunday Night Partly Cloudy Cathlamet, WA Weather - Monday Mostly Cloudy Cathlamet, WA Weather - Monday Night Partly Cloudy
Partly Sunny Mostly Cloudy Partly Sunny Partly Cloudy Partly Sunny Partly Cloudy Mostly Sunny Mostly Clear Sunny Partly Cloudy Mostly Cloudy Partly Cloudy
Hi: 69°FHi: 21°C
 Lo: 50°FLo: 10°C Hi: 70°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
 Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
 Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C
POP = Probability of Precipitation.
Weather Outlook Updated: 501 AM PDT Wed Sep 30 2026 Cathlamet, WA Weather - WeatherWorld.com

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Cathlamet Forecast Discussion

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Issued: 358 AM PDT Wed Sep 30 2026

Discussion

...Today through Tuesday...Dry conditions are expected region-wide today as our weak frontal boundary from yesterday has passed with upper-level ridging slowly building overhead in its wake. If you enjoy dry and somewhat warmer fall conditions, you`re in for a treat moving forward. Ensemble members depict high pressure over the eastern Pacific moving inland over the next few days, peaking over the PacNW on Saturday and Sunday. This will lead to a gradual warming trend for the area thro...