Mill Valley, MA Weather Forecast
Local 7-day forecast
Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Mill Valley, MA in one place.
Rain showers likely before 4am. Mostly cloudy, with a low around 43. West wind around 12 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Mill Valley, MA 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: Nov 8, 2026 2:36 AM EST.
The active forecast window currently covers Nov 8 to Nov 14, 2026 for Mill Valley, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 14, 2026
- Latest sync
- Nov 8, 2026 2:36 AM EST
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Mill Valley
Sunday looks like the warmest upcoming period in Mill Valley at 60 degrees F.
Friday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Thursday Night at about 6 to 17 mph N.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 8, 2026 2:36 AM EST
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- BOX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny, with a high near 60. West wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 38. Southwest wind around 6 mph.
Mostly sunny, with a high near 57. West wind 5 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 35. West wind 3 to 12 mph.
Mostly sunny, with a high near 60. West wind 3 to 9 mph.
Mostly clear, with a low around 36. West wind around 5 mph.
Sunny, with a high near 60. West wind 2 to 9 mph.
Partly cloudy, with a low around 32. Northwest wind around 2 mph.
A slight chance of rain after 2pm. Partly sunny, with a high near 55. North wind 1 to 5 mph.
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 30. North wind 6 to 17 mph. Chance of precipitation is 50%.
Rain and snow likely. Partly sunny, with a high near 48. North wind 14 to 17 mph. Chance of precipitation is 60%.
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 26. North wind around 15 mph. Chance of precipitation is 30%.
A chance of rain and snow. Partly sunny, with a high near 49. North wind 13 to 16 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 8
|
Rain Showers Likely
|
43°F |
12 mph
W
|
|
Sunday
Nov 8
|
Mostly Sunny
|
60°F |
5 to 15 mph
W
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
38°F |
6 mph
SW
|
|
Monday
Nov 9
|
Mostly Sunny
|
57°F |
5 to 16 mph
W
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
35°F |
3 to 12 mph
W
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
60°F |
3 to 9 mph
W
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
36°F |
5 mph
W
|
|
Veterans Day
Nov 11
|
Sunny
|
60°F |
2 to 9 mph
W
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
32°F |
2 mph
NW
|
|
Thursday
Nov 12
|
Partly Sunny then Slight Chance Light Rain
|
55°F |
1 to 5 mph
N
|
|
Thursday Night
Nov 12
|
Chance Light Rain then Chance Rain And Snow
|
30°F |
6 to 17 mph
N
|
|
Friday
Nov 13
|
Rain And Snow Likely
|
48°F |
14 to 17 mph
N
|
|
Friday Night
Nov 13
|
Chance Rain And Snow
|
26°F |
15 mph
N
|
|
Saturday
Nov 14
|
Chance Rain And Snow
|
49°F |
13 to 16 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mill Valley.