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, with a high near 62.
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: Apr 18, 2026 8:56 AM PDT.
The active forecast window currently covers Apr 23 to Apr 24, 2026 for Brennan, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 24, 2026
- Latest sync
- Apr 18, 2026 8:56 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Brennan
Friday looks like the warmest upcoming period in Brennan at 63 degrees F.
Thursday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Thursday at about 2 to 7 mph WSW.
The forecast from Apr 23 through Apr 24 stays mostly dry.
Forecast Details
- Last updated
- Apr 18, 2026 8:56 AM PDT
- Coverage
- 3 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
Mostly clear, with a low around 45.
Mostly sunny, with a high near 63.
Mostly clear, with a low around 45.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Mostly Sunny
|
62°F |
2 to 7 mph
WSW
|
|
Thursday Night
Apr 23
|
Mostly Clear
|
45°F |
2 to 6 mph
SSE
|
|
Friday
Apr 24
|
Mostly Sunny
|
63°F |
2 to 6 mph
SSW
|
|
Friday Night
Apr 24
|
Mostly Clear
|
45°F |
2 to 6 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Brennan.