Lewis County, WA Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Lewis County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 73.
County Weather Overview
This county weather page brings together forecast coverage for Lewis County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 5 of 5 mapped cities in Lewis County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 16 to Jul 17, 2026
- Latest sync
- Jul 11, 2026 2:34 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewis County
Friday looks like the warmest upcoming period in Lewis County at 79 degrees F.
Thursday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Thursday at about 1 to 5 mph W.
The forecast from Jul 16 through Jul 17 stays mostly dry.
Forecast Details
- Last updated
- Jul 11, 2026 2:34 PM PDT
- Coverage
- 3 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
Mostly clear, with a low around 52.
Sunny, with a high near 79.
Mostly clear, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Mostly Sunny
|
73°F |
1 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
52°F |
5 mph
NW
|
|
Friday
Jul 17
|
Sunny
|
79°F |
1 to 5 mph
NNW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
56°F |
1 to 5 mph
NNE
|
Major City Forecasts
Live forecast snapshots for major cities across Lewis County.
Coverage
Forecast coverage currently spans 5 of 5 mapped cities in Lewis County.
Largest mapped city population in this region: 17,995.
