Cowlitz County, WA Weather Forecast
County weather hub
Areas Of Fog then 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.
Areas of fog before 8am. Mostly sunny, with a high near 75. West northwest wind 0 to 6 mph.
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
- Jul 17 to Jul 22, 2026
- Latest sync
- Jul 16, 2026 7:18 AM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Cowlitz County
Monday looks like the warmest upcoming period in Cowlitz County at 85 degrees F.
Friday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Saturday at about 0 to 7 mph NNW.
The forecast from Jul 17 through Jul 22 stays mostly dry.
Forecast Details
- Last updated
- Jul 16, 2026 7:18 AM PDT
- Coverage
- 6 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
Areas of fog after 2am. Mostly clear, with a low around 53. North northwest wind 0 to 6 mph.
Patchy fog before 8am. Sunny, with a high near 77.
Mostly clear, with a low around 54.
Sunny, with a high near 82.
Mostly clear, with a low around 57.
Mostly sunny, with a high near 85.
Partly cloudy, with a low around 61.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 60.
Sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Areas Of Fog then Mostly Sunny
|
75°F |
0 to 6 mph
WNW
|
|
Friday Night
Jul 17
|
Mostly Clear then Areas Of Fog
|
53°F |
0 to 6 mph
NNW
|
|
Saturday
Jul 18
|
Patchy Fog then Sunny
|
77°F |
0 to 7 mph
NNW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
54°F |
1 to 7 mph
NNW
|
|
Sunday
Jul 19
|
Sunny
|
82°F |
1 to 7 mph
NNW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
57°F |
1 to 7 mph
NNW
|
|
Monday
Jul 20
|
Mostly Sunny
|
85°F |
0 to 3 mph
NNW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
61°F |
0 to 3 mph
NNW
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
84°F |
0 to 5 mph
NW
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
60°F |
0 to 5 mph
NNW
|
|
Wednesday
Jul 22
|
Sunny
|
84°F |
0 to 6 mph
NW
|
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.