Weather forecast for 10 daysMonte Sereno, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 79°F
- 52°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphN 351°
- Humidity: 49%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:27 pm PDT
- details ▼
Today, on Sunday, October 18, conditions remain stable and sunny, with little cloud presence.
The highest daytime temperature will touch a warm 78.8°F, creating a significant contrast with the expected nighttime low of a fresh 51.8°F.
Today, the temperature will be higher and more consistent with September's typical high of 78.4°F than with October's 72.3°F.
Sunrise will be at 7:19 am and sunset at 6:27 pm; the daylight will last for 11h and 8min.
The highest daytime temperature will touch a warm 78.8°F, creating a significant contrast with the expected nighttime low of a fresh 51.8°F.
Today, the temperature will be higher and more consistent with September's typical high of 78.4°F than with October's 72.3°F.
Sunrise will be at 7:19 am and sunset at 6:27 pm; the daylight will last for 11h and 8min.
10-day overview
Daily temperatures
Warmest day: today 79°C.
Coldest day: Wednesday 66°C.
Coldest day: Wednesday 66°C.
Chance of precipitation
Highest chance: Wednesday 61%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 79°F
- 52°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphN 351°
- Humidity: 49%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:27 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 50°F
Mostly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphNNW 338°
- Humidity: 62%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:25 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 52°F
Mostly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 6mphENE 57°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:20 am PDT
- Sunset: 6:24 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 52°F
Showers
- Precip. probability: 61%
- Precipitation: 0.08"
- Wind: 5mphENE 63°
- Humidity: 73%
- UV index: 3
- Sunrise: 7:21 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 52°F
Showers
- Precip. probability: 37%
- Precipitation: 0.2"
- Wind: 8mphNW 322°
- Humidity: 75%
- UV index: 4
- Sunrise: 7:22 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 70°F
- 48°F
Sunny
- Precip. probability: 12%
- Precipitation: 0.08"
- Wind: 8mphN 353°
- Humidity: 68%
- UV index: 5
- Sunrise: 7:23 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 72°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphNNE 20°
- Humidity: 58%
- UV index: 5
- Sunrise: 7:24 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 70°F
- 50°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 9mphN 9°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:25 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 70°F
- 48°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 9mphN 9°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:26 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 7mphN 1°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:27 am PDT
- Sunset: 6:15 pm PDT
- details ▼
Over the next ten days, a mix of gloomy, bright and rain-soaked weather is expected.
Rainfall is anticipated on Wednesday through Friday.
Noticeable swings in temperature are expected throughout the forecast window. Forecast highs will fluctuate between 66.2°F and 78.8°F, while the lowest nightly temperature differences will be negligible, as the overnight low will fall between 46.4°F and 51.8°F.
With a high of 78.8°F, today is the warmest day; with the highest temperature of 66.2°F, Wednesday will be the coldest day.
Rainfall is anticipated on Wednesday through Friday.
Noticeable swings in temperature are expected throughout the forecast window. Forecast highs will fluctuate between 66.2°F and 78.8°F, while the lowest nightly temperature differences will be negligible, as the overnight low will fall between 46.4°F and 51.8°F.
With a high of 78.8°F, today is the warmest day; with the highest temperature of 66.2°F, Wednesday will be the coldest day.
Updated: Oct 18, 2026 @ 07:07:21 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 Monte Sereno, sunshine and minimal clouds are in the outlook.
Today, the maximum temperature will be 78.8°F, while the minimum temperature will be 51.8°F.
The highest temperature today will be a few degrees higher than the average maximum temperature in October. Today, the lowest temperature will be in line with the average low temperature.
The highest temperature today will be a few degrees higher than the average maximum temperature in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Monte Sereno, sunrise will be at 7:19 am and sunset at 6:27 pm (PDT).
In Monte Sereno, the length of the day today will be 11h and 8min.
