Brennan, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Brennan, WA in one place.
Mostly sunny. High near 53, with temperatures falling to around 51 in the afternoon. North northeast wind around 3 mph.
Local Weather Overview
This forecast page for Brennan, 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: Oct 30, 2026 11:32 PM PDT.
The active forecast window currently covers Oct 31 to Nov 6, 2026 for Brennan, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 31 to Nov 6, 2026
- Latest sync
- Oct 30, 2026 11:32 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Brennan
Thursday looks like the warmest upcoming period in Brennan at 56 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 2 to 7 mph SSE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 30, 2026 11:32 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
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 34. North northeast wind around 3 mph.
Mostly sunny, with a high near 51. East southeast wind around 2 mph.
Partly cloudy, with a low around 34. East northeast wind 0 to 3 mph.
Partly sunny, with a high near 52.
Cloudy, with a low around 40.
Mostly cloudy, with a high near 54.
Mostly cloudy, with a low around 39.
A chance of rain after 4pm. Partly sunny, with a high near 55.
A chance of rain. Mostly cloudy, with a low around 41.
A chance of rain. Mostly cloudy, with a high near 56.
A chance of rain. Mostly cloudy, with a low around 42.
A chance of rain before 5pm. Mostly cloudy, with a high near 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 31
|
Mostly Sunny
|
53°F |
3 mph
NNE
|
|
Saturday Night
Oct 31
|
Partly Cloudy
|
34°F |
3 mph
NNE
|
|
Sunday
Nov 1
|
Mostly Sunny
|
51°F |
2 mph
ESE
|
|
Sunday Night
Nov 1
|
Partly Cloudy
|
34°F |
0 to 3 mph
ENE
|
|
Monday
Nov 2
|
Partly Sunny
|
52°F |
0 to 3 mph
NNE
|
|
Monday Night
Nov 2
|
Cloudy
|
40°F |
2 mph
N
|
|
Tuesday
Nov 3
|
Mostly Cloudy
|
54°F |
1 mph
N
|
|
Tuesday Night
Nov 3
|
Mostly Cloudy
|
39°F |
2 mph
NNE
|
|
Wednesday
Nov 4
|
Partly Sunny then Chance Light Rain
|
55°F |
2 mph
SE
|
|
Wednesday Night
Nov 4
|
Chance Light Rain
|
41°F |
2 mph
ENE
|
|
Thursday
Nov 5
|
Chance Light Rain
|
56°F |
2 mph
SSE
|
|
Thursday Night
Nov 5
|
Chance Light Rain
|
42°F |
1 to 6 mph
SE
|
|
Friday
Nov 6
|
Chance Light Rain
|
55°F |
2 to 7 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Brennan.