Columbia County, WA Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Columbia County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 77. South wind around 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for Columbia County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Columbia County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 16 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 2:31 PM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Columbia County
Friday looks like the warmest upcoming period in Columbia County at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Saturday at about 7 to 20 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 2:31 PM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- PDT
- Radar station
- KPDT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 69.
Partly cloudy, with a low around 40.
Sunny, with a high near 63.
Partly cloudy, with a low around 43.
Partly sunny, with a high near 58.
A slight chance of rain showers after 5am. Mostly cloudy, with a low around 41.
A slight chance of rain showers before 11am. Mostly sunny, with a high near 56.
Mostly clear, with a low around 40.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Mostly Sunny
|
77°F |
5 mph
S
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
52°F |
2 to 10 mph
SE
|
|
Saturday
Oct 17
|
Mostly Sunny
|
69°F |
7 to 20 mph
SW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
40°F |
1 to 10 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
1 to 5 mph
NE
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
43°F |
3 mph
S
|
|
Monday
Oct 19
|
Partly Sunny
|
58°F |
1 to 5 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Cloudy then Slight Chance Rain Showers
|
41°F |
3 mph
S
|
|
Tuesday
Oct 20
|
Slight Chance Rain Showers then Mostly Sunny
|
56°F |
1 to 5 mph
W
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
40°F |
2 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Columbia County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Columbia County.
