Cowlitz County, WA Weather Forecast

County weather hub

69°
F

Mostly Sunny then Slight Chance Light Rain

Compare major city weather across Cowlitz County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Friday, October 16, 2026
Wind: 3 mph SSE
Friday

A slight chance of rain after 5pm. Mostly sunny, with a high near 69.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Cowlitz County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 4 of 4 mapped cities in Cowlitz County.

Page Snapshot

Page focus
county weather
Forecast window
Oct 16, 2026
Latest sync
Oct 10, 2026 2:58 AM PDT
Forecast office
PQR
Source
NOAA / NWS
Next High
69°F
Friday
Next Low
N/A
No overnight period
Rain Outlook
1
Periods mentioning precipitation
Windiest
3 mph
Friday

Daily Outlook

Today
Oct 16
Mostly Sunny then Slight Chance Light Rain
69 °F
Wind 3 mph

This Week in Cowlitz County

Friday looks like the warmest upcoming period in Cowlitz County at 69 degrees F.

Friday is the coolest period ahead with temperatures near 69 degrees F.

The strongest winds are forecast for Friday at about 3 mph SSE.

Precipitation is mentioned in 1 upcoming forecast period.

Forecast Details

Last updated
Oct 10, 2026 2:58 AM PDT
Coverage
1 day
Time zone
America/Los_Angeles
Forecast office
PQR
Radar station
KRTX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Detailed Forecast

Period Conditions Temp Wind
Friday
Oct 16
Mostly Sunny then Slight Chance Light Rain
69°F
3 mph
SSE

Coverage

Tracked cities
4
Coverage
100%

Forecast coverage currently spans 4 of 4 mapped cities in Cowlitz County.

Largest mapped city population in this region: 38,515.

Mount St. Helens3
Mount St. Helens3 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.