Weather forecast for 10 daysFairfax, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 73°F
- 50°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphW 276°
- Humidity: 70%
- UV index: 5
- Sunrise: 7:22 am PDT
- Sunset: 6:28 pm PDT
- details ▼
On Sunday, October 18, a sun-drenched sky is anticipated.
The temperature is expected to vary between a maximum of a temperate 73.4°F and a minimum of a fresh 50°F.
A high of 73.4°F is expected, which resembles September's climate average of 70.9°F more than October's 67.5°F.
Sunrise will be at 7:22 am and sunset at 6:28 pm; the daylight will last for 11h and 7min.
The temperature is expected to vary between a maximum of a temperate 73.4°F and a minimum of a fresh 50°F.
A high of 73.4°F is expected, which resembles September's climate average of 70.9°F more than October's 67.5°F.
Sunrise will be at 7:22 am and sunset at 6:28 pm; the daylight will last for 11h and 7min.
10-day overview
Daily temperatures
Warmest day: today 73°C.
Minimum temperature: 66°C.
Minimum temperature: 66°C.
Chance of precipitation
Highest chance: Wednesday 62%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 73°F
- 50°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphW 276°
- Humidity: 70%
- UV index: 5
- Sunrise: 7:22 am PDT
- Sunset: 6:28 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 48°F
Mostly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 12mphW 280°
- Humidity: 65%
- UV index: 5
- Sunrise: 7:23 am PDT
- Sunset: 6:27 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 50°F
Mostly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 5mphE 98°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:24 am PDT
- Sunset: 6:26 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 50°F
AM Showers
- Precip. probability: 62%
- Precipitation: 0.04"
- Wind: 6mphE 94°
- Humidity: 79%
- UV index: 3
- Sunrise: 7:25 am PDT
- Sunset: 6:24 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.12"
- Wind: 9mphW 281°
- Humidity: 79%
- UV index: 4
- Sunrise: 7:26 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 70°F
- 46°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphNNW 344°
- Humidity: 72%
- UV index: 4
- Sunrise: 7:27 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 48°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 8mphNNE 15°
- Humidity: 70%
- UV index: 4
- Sunrise: 7:28 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 68°F
- 46°F
AM Showers
- Precip. probability: 35%
- Precipitation: 0.04"
- Wind: 10mphWNW 292°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:29 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 45°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0.04"
- Wind: 8mphNW 312°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:30 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphSSE 153°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:31 am PDT
- Sunset: 6:17 pm PDT
- details ▼
During the ten-day period, gloomy, mostly clear and showery weather is anticipated.
Rainfall is forecasted for Wednesday, Thursday, next Sunday and Monday.
In the coming days, the maximum temperature will range between 66.2°F and 73.4°F, while the overnight low will be nearly unchanged, as the lowest temperatures will remain in the range of 44.6°F to 50°F.
The warmest day is today, with a maximum temperature of 73.4°F; Monday and Wednesday, with the highest temperature of 66.2°F, will be the coldest days.
Rainfall is forecasted for Wednesday, Thursday, next Sunday and Monday.
In the coming days, the maximum temperature will range between 66.2°F and 73.4°F, while the overnight low will be nearly unchanged, as the lowest temperatures will remain in the range of 44.6°F to 50°F.
The warmest day is today, with a maximum temperature of 73.4°F; Monday and Wednesday, with the highest temperature of 66.2°F, will be the coldest days.
Updated: Oct 18, 2026 @ 09:00:28 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 Sunday, in Fairfax, sunshine is expected with little to no cloud cover.
Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 50°F.
The maximum temperature today will be a few degrees higher than the average highest temperature in October. The lowest temperature today will be also moderately lower than the average low temperature.
The maximum temperature today will be a few degrees higher than the average highest temperature in October. The lowest temperature today will be also moderately lower than the average low temperature.
On Sunday, in Fairfax, sunrise will be at 7:22 am and sunset at 6:28 pm (PDT).
In Fairfax, the length of the day today will be 11h and 7min.
