Cowlitz, WA Weather Forecast
Local 7-day forecast
Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Cowlitz, WA in one place.
Rain. Mostly cloudy, with a high near 61. West southwest wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Cowlitz, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 12:50 AM PDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Cowlitz, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 12:50 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Cowlitz
Sunday looks like the warmest upcoming period in Cowlitz at 93 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 8 mph WSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 12:50 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KRTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain. Mostly cloudy, with a low around 44. Southwest wind 0 to 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain before 5pm. Partly sunny, with a high near 68. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 43.
Sunny, with a high near 76.
Mostly clear, with a low around 46.
Sunny, with a high near 81.
Mostly clear, with a low around 49.
Sunny, with a high near 88.
Clear, with a low around 55.
Sunny, with a high near 93.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Light Rain
|
61°F |
5 to 8 mph
WSW
|
|
Tuesday Night
Jun 9
|
Chance Light Rain
|
44°F |
0 to 7 mph
SW
|
|
Wednesday
Jun 10
|
Chance Light Rain
|
68°F |
2 mph
W
|
|
Wednesday Night
Jun 10
|
Partly Cloudy
|
43°F |
2 mph
NW
|
|
Thursday
Jun 11
|
Sunny
|
76°F |
0 to 5 mph
NNW
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
46°F |
0 to 5 mph
NNW
|
|
Friday
Jun 12
|
Sunny
|
81°F |
0 to 6 mph
NNW
|
|
Friday Night
Jun 12
|
Mostly Clear
|
49°F |
1 to 6 mph
NNW
|
|
Saturday
Jun 13
|
Sunny
|
88°F |
1 to 6 mph
N
|
|
Saturday Night
Jun 13
|
Clear
|
55°F |
1 to 6 mph
N
|
|
Sunday
Jun 14
|
Sunny
|
93°F |
1 to 6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cowlitz.