10-day forecast for Mill Valley, CA: 40° to 67°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Monday, October 26
58° · 0.68 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2765° / 43°0
Morning44°feels 39°
Afternoon65°feels 64°
Evening52°feels 51°
Overnight45°feels 41°
65 °
Mill Valley, Tuesday, 27 October
Overcast. High 65°, low 43°.
Pressure30.06 inHg
Wind8.2 mph NW
Humidity47%
Visibility6.2 mi
Dew point40°
Wed, 2862° / 40°0
Morning40°feels 40°
Afternoon62°feels 60°
Evening50°feels 49°
Overnight43°feels 43°
62 °
Mill Valley, Wednesday, 28 October
Partly cloudy. High 62°, low 40°.
Pressure30.03 inHg
Wind0.1 mph S
Humidity48%
Visibility6.2 mi
Dew point43°
Thu, 2962° / 44°0
Morning44°feels 44°
Afternoon62°feels 60°
Evening50°feels 50°
Overnight46°feels 46°
62 °
Mill Valley, Thursday, 29 October
Overcast. High 62°, low 44°.
Pressure29.91 inHg
Wind2 mph SE
Humidity56%
Visibility1.8 mi
Dew point47°
Fri, 3060° / 42°0
Morning42°feels 42°
Afternoon56°feels 53°
Evening53°feels 50°
Overnight45°feels 45°
60 °
Mill Valley, Friday, 30 October
Clear. High 60°, low 42°.
Pressure29.91 inHg
Wind10.3 mph W
Humidity42%
Visibility—
Dew point31°
Sat, 3156° / 43°0
Morning46°feels 44°
Afternoon53°feels 51°
Evening52°feels 49°
Overnight46°feels 43°
56 °
Mill Valley, Saturday, 31 October
Overcast. High 56°, low 43°.
Pressure29.97 inHg
Wind10.6 mph W
Humidity51%
Visibility—
Dew point34°
Sun, 0156° / 46°0
Morning48°feels 44°
Afternoon53°feels 49°
Evening55°feels 53°
Overnight50°feels 48°
56 °
Mill Valley, Sunday, 1 November
Clear. High 56°, low 46°.
Pressure29.97 inHg
Wind7.5 mph NE
Humidity38%
Visibility—
Dew point26°
Mon, 0259° / 51°0.04
Morning51°feels 48°
Afternoon54°feels 51°
Evening58°feels 55°
Overnight51°feels 49°
59 °
Mill Valley, Monday, 2 November
Light rain. High 59°, low 51°.
Pressure30.00 inHg
Wind9.6 mph NE
Humidity36%
Visibility—
Dew point26°
Tue, 0358° / 49°0.68
Morning50°feels 47°
Afternoon55°feels 54°
Evening57°feels 57°
Overnight55°feels 53°
58 °
Mill Valley, Tuesday, 3 November
Heavy rain. High 58°, low 49°.
Pressure29.91 inHg
Wind20.8 mph S
Humidity81%
Visibility—
Dew point48°
Wed, 0457° / 55°0.22
Morning56°feels 55°
Afternoon57°feels 56°
Evening56°feels 55°
Overnight56°feels 55°
57 °
Mill Valley, Wednesday, 4 November
Light rain. High 57°, low 55°.
Pressure30.03 inHg
Wind12.8 mph S
Humidity81%
Visibility—
Dew point51°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Mill Valley, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.