Weather forecast for 10 daysIsland Mountain, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSW 236°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:27 am PDT
- Sunset: 6:30 pm PDT
- details ▼
Today, in Island Mountain, clear skies and sunshine are anticipated.
Dramatic changes in temperature are forecasted, reaching a high of a delightful 68°F and falling to a low of a wintry 37.4°F.
The forecasted maximum temperature will be a few degrees higher than October's typical high of 63.9°F.
Sunrise will be at 7:27 am and sunset at 6:30 pm; the daylight will last for 11h and 2min.
Dramatic changes in temperature are forecasted, reaching a high of a delightful 68°F and falling to a low of a wintry 37.4°F.
The forecasted maximum temperature will be a few degrees higher than October's typical high of 63.9°F.
Sunrise will be at 7:27 am and sunset at 6:30 pm; the daylight will last for 11h and 2min.
10-day overview
Daily temperatures
Warmest day: today 68°C.
Coldest day: Sunday 25.10. 54°C.
Coldest day: Sunday 25.10. 54°C.
Chance of precipitation
Highest chance: Sunday 25.10. 34%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSW 236°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:27 am PDT
- Sunset: 6:30 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 55°F
- 37°F
Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 7mphW 265°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:29 am PDT
- Sunset: 6:28 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 37°F
Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 8mphSW 235°
- Humidity: 57%
- UV index: 2
- Sunrise: 7:30 am PDT
- Sunset: 6:27 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 63°F
- 39°F
Mostly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 7mphSW 228°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:31 am PDT
- Sunset: 6:25 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 34°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphWSW 252°
- Humidity: 77%
- UV index: 4
- Sunrise: 7:32 am PDT
- Sunset: 6:24 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 61°F
- 32°F
AM Fog / PM Sun
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 9mphWNW 289°
- Humidity: 67%
- UV index: 4
- Sunrise: 7:33 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 59°F
- 34°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.2"
- Wind: 9mphSW 229°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:34 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 54°F
- 30°F
AM Showers
- Precip. probability: 34%
- Precipitation: 0.04"
- Wind: 8mphSW 223°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:35 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 57°F
- 30°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 9mphWSW 252°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:36 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 57°F
- 30°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphSW 228°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:37 am PDT
- Sunset: 6:17 pm PDT
- details ▼
Weather fluctuations are likely over the next ten days, and a combination of primarily gloomy and occasionally sun-filled, fog-covered and rain-filled weather is forecasted.
Rainfall is forecasted for Saturday and next Sunday.
There will be a considerable variation in temperature in the upcoming days. Forecast highs will fluctuate between 53.6°F and 68°F, while nighttime temperatures are expected to vary from 30.2°F to 39.2°F.
The warmest day is today, with a maximum temperature of 68°F; expect the coldest day on next Sunday with a high of 53.6°F.
Rainfall is forecasted for Saturday and next Sunday.
There will be a considerable variation in temperature in the upcoming days. Forecast highs will fluctuate between 53.6°F and 68°F, while nighttime temperatures are expected to vary from 30.2°F to 39.2°F.
The warmest day is today, with a maximum temperature of 68°F; expect the coldest day on next Sunday with a high of 53.6°F.
Updated: Oct 18, 2026 @ 11:51:03 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
Today, sunny and dry conditions are anticipated.
Today, the maximum temperature will be 68°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature will be uncommonly lower than the average low of 51.3°F.
Today, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature will be uncommonly lower than the average low of 51.3°F.
On Sunday, in Island Mountain, sunrise will be at 7:27 am and sunset at 6:30 pm (PDT).
In Island Mountain, the length of the day today will be 11h and 2min.





