Weather forecast for 10 daysMill Valley, CA
Weather forecast for the weekend
Saturday Oct 17, 2026
- 84°F
- 50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNW 346°
- Humidity: 37%
- UV index: 5
- Sunrise: 7:20 am PDT
- Sunset: 6:29 pm PDT
- details ▼
On Saturday, in Mill Valley, uninterrupted sunshine is anticipated.
Temperatures will show considerable variation, extending from a high of a moderately hot 84.2°F to a low of a cool 50°F.
The forecast high of 84.2°F aligns more closely with September's typical high of 72.3°F than with October's usual 68.9°F.
Sunrise was at 7:20 am and sunset will be at 6:29 pm; the daylight will last for 11h and 9min.
Temperatures will show considerable variation, extending from a high of a moderately hot 84.2°F to a low of a cool 50°F.
The forecast high of 84.2°F aligns more closely with September's typical high of 72.3°F than with October's usual 68.9°F.
Sunrise was at 7:20 am and sunset will be at 6:29 pm; the daylight will last for 11h and 9min.
Sunday Oct 18, 2026
- 72°F
- 48°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 12mphW 277°
- Humidity: 71%
- UV index: 5
- Sunrise: 7:21 am PDT
- Sunset: 6:28 pm PDT
- details ▼
Tomorrow, on Sunday, a pleasant, mostly sunny outlook is in place.
The temperature will fluctuate from a high of an agreeable 71.6°F to a low of a frosty 48.2°F.
Tomorrow's temperature is predicted to match October's standard peak of 68.9°F.
Sunrise will be at 7:21 am and sunset at 6:28 pm; tomorrow's daylight will last for 11h and 7min.
The temperature will fluctuate from a high of an agreeable 71.6°F to a low of a frosty 48.2°F.
Tomorrow's temperature is predicted to match October's standard peak of 68.9°F.
Sunrise will be at 7:21 am and sunset at 6:28 pm; tomorrow's daylight will last for 11h and 7min.
10-day overview
Daily temperatures
Warmest day: today 84°C.
Minimum temperature: 64°C.
Minimum temperature: 64°C.
Chance of precipitation
Highest chance: Wednesday 52%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 84°F
- 50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNW 346°
- Humidity: 37%
- UV index: 5
- Sunrise: 7:20 am PDT
- Sunset: 6:29 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 72°F
- 48°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 12mphW 277°
- Humidity: 71%
- UV index: 5
- Sunrise: 7:21 am PDT
- Sunset: 6:28 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 48°F
Mostly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 12mphW 281°
- Humidity: 67%
- UV index: 4
- Sunrise: 7:22 am PDT
- Sunset: 6:27 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 50°F
AM Showers
- Precip. probability: 32%
- Precipitation: 0.08"
- Wind: 6mphE 94°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:23 am PDT
- Sunset: 6:25 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 52°F
AM Showers
- Precip. probability: 52%
- Precipitation: 0.16"
- Wind: 6mphNE 43°
- Humidity: 75%
- UV index: 3
- Sunrise: 7:24 am PDT
- Sunset: 6:24 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 50°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 11mphW 268°
- Humidity: 81%
- UV index: 4
- Sunrise: 7:25 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 68°F
- 48°F
Mostly Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 9mphWNW 299°
- Humidity: 75%
- UV index: 4
- Sunrise: 7:26 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 68°F
- 50°F
Mostly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 9mphWNW 295°
- Humidity: 71%
- UV index: 4
- Sunrise: 7:27 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphWSW 240°
- Humidity: 67%
- UV index: 4
- Sunrise: 7:28 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 9mphNNW 348°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:29 am PDT
- Sunset: 6:18 pm PDT
- details ▼
During the ten-day period, dull, clear and wet weather is predicted.
Rainfall is forecasted for Tuesday and Wednesday.
Noticeable swings in temperature are expected throughout the forecast window. Forecast highs will fluctuate between 64.4°F and 84.2°F, while fluctuations in the night’s lowest temperature will be minimal, as the overnight low will fall between 46.4°F and 51.8°F.
Today is the hottest day, with a maximum temperature of 84.2°F; the coldest days will be Monday and Thursday, with a maximum of 64.4°F.
Rainfall is forecasted for Tuesday and Wednesday.
Noticeable swings in temperature are expected throughout the forecast window. Forecast highs will fluctuate between 64.4°F and 84.2°F, while fluctuations in the night’s lowest temperature will be minimal, as the overnight low will fall between 46.4°F and 51.8°F.
Today is the hottest day, with a maximum temperature of 84.2°F; the coldest days will be Monday and Thursday, with a maximum of 64.4°F.
Updated: Oct 17, 2026 @ 15:19:29 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Saturday, in Mill Valley, expect sunny weather with a crisp, clear sky.
Today, the maximum temperature will be 84.2°F, while the minimum temperature will be 50°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 68.9°F in October. The lowest temperature will be moderately lower than the average low of 54.3°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 68.9°F in October. The lowest temperature will be moderately lower than the average low of 54.3°F.
On Saturday, in Mill Valley, sunrise was at 7:20 am and sunset will be at 6:29 pm (PDT).
In Mill Valley, today, there will be 11h and 9min of daylight.
On Sunday, a glowing sky and minimal clouds are expected.
Tomorrow, the maximum temperature will be 71.6°F, while the minimum temperature will be 48.2°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be slightly cooler than the average low temperature.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be slightly cooler than the average low temperature.
On Sunday, in Mill Valley, sunrise will be at 7:21 am and sunset at 6:28 pm (PDT).
In Mill Valley, tomorrow, there will be 11h and 7min of daylight.





