Cowlitz County, WA Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Cowlitz County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 84.
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
- Jun 2, 2026
- Latest sync
- May 27, 2026 1:51 PM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Cowlitz County
Tuesday looks like the warmest upcoming period in Cowlitz County at 84 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Tuesday at about 1 to 5 mph NNE.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 27, 2026 1:51 PM PDT
- Coverage
- 2 days
- 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 sourceExtended Forecast
A slight chance of rain after 5am. Partly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Mostly Sunny
|
84°F |
1 to 5 mph
NNE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy then Slight Chance Light Rain
|
59°F |
1 to 5 mph
NNE
|
Major City Forecasts
Live forecast snapshots for major cities across Cowlitz County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Cowlitz County.
Largest mapped city population in this region: 38,515.