Mill Valley, CA Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Mill Valley, CA in one place.
Mostly clear, with a low around 41.
Local Weather Overview
This forecast page for Mill Valley, CA 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 9, 2026 6:14 PM PDT.
The active forecast window currently covers Apr 13 to Apr 15, 2026 for Mill Valley, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 13 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 6:14 PM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Mill Valley
Wednesday looks like the warmest upcoming period in Mill Valley at 70 degrees F.
Monday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Monday Night at about 2 to 7 mph WNW.
The forecast from Apr 13 through Apr 15 stays mostly dry.
Forecast Details
- Last updated
- Apr 9, 2026 6:14 PM PDT
- Coverage
- 3 days
- Time zone
- America/Los_Angeles
- Forecast office
- MTR
- Radar station
- KDAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny, with a high near 69.
Mostly clear, with a low around 42.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 45.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday Night
Apr 13
|
Mostly Clear
|
41°F |
2 to 7 mph
WNW
|
|
Tuesday
Apr 13
|
Sunny
|
69°F |
2 to 7 mph
W
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
42°F |
2 to 7 mph
WNW
|
|
Wednesday
Apr 14
|
Mostly Sunny
|
70°F |
2 to 7 mph
W
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
45°F |
3 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mill Valley.