Weather forecast for 10 daysDiablo, CA
Weather forecast for the weekend
Saturday Oct 17, 2026
- 91°F
- 50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphN 349°
- Humidity: 25%
- UV index: 5
- Sunrise: 7:18 am PDT
- Sunset: 6:27 pm PDT
- details ▼
On Saturday, in Diablo, sun-filled conditions are expected to persist.
A stark contrast will be observed between the day's peak temperature of a tropical 91.4°F and the night's low of a crisp 50°F.
Today, weather will feel hotter as the high trends toward September's average of 82°F.
Sunrise was at 7:18 am and sunset will be at 6:27 pm; the daylight will last for 11h and 9min.
A stark contrast will be observed between the day's peak temperature of a tropical 91.4°F and the night's low of a crisp 50°F.
Today, weather will feel hotter as the high trends toward September's average of 82°F.
Sunrise was at 7:18 am and sunset will be at 6:27 pm; the daylight will last for 11h and 9min.
Sunday Oct 18, 2026
- 75°F
- 50°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 11mphSW 226°
- Humidity: 57%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:26 pm PDT
- details ▼
Tomorrow, on Sunday, October 18, conditions remain stable and sunny, with little cloud presence.
The maximum temperature will be a temperate 75.2°F, while the minimum predicted temperature is a fresh 50°F.
The anticipated high temperature will align with October's average of 74.3°F.
Sunrise will be at 7:19 am and sunset at 6:26 pm; tomorrow's daylight will last for 11h and 7min.
The maximum temperature will be a temperate 75.2°F, while the minimum predicted temperature is a fresh 50°F.
The anticipated high temperature will align with October's average of 74.3°F.
Sunrise will be at 7:19 am and sunset at 6:26 pm; tomorrow's daylight will last for 11h and 7min.
10-day overview
Daily temperatures
Warmest day: today 91°C.
Coldest day: Monday 66°C.
Coldest day: Monday 66°C.
Chance of precipitation
Highest chance: Wednesday 36%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 91°F
- 50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphN 349°
- Humidity: 25%
- UV index: 5
- Sunrise: 7:18 am PDT
- Sunset: 6:27 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 75°F
- 50°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 11mphSW 226°
- Humidity: 57%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:26 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 48°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 13mphWSW 251°
- Humidity: 58%
- UV index: 5
- Sunrise: 7:20 am PDT
- Sunset: 6:24 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 50°F
Cloudy
- Precip. probability: 16%
- Precipitation: 0.04"
- Wind: 6mphN 4°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:21 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 52°F
Showers
- Precip. probability: 36%
- Precipitation: 0.08"
- Wind: 7mphN 352°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:22 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 50°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphWSW 237°
- Humidity: 69%
- UV index: 4
- Sunrise: 7:23 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 48°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 8mphWSW 255°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:24 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 72°F
- 48°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 8mphWSW 243°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:25 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 48°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 8mphWSW 249°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:26 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 72°F
- 46°F
Mostly Sunny
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 7mphW 265°
- Humidity: 43%
- UV index: 4
- Sunrise: 7:27 am PDT
- Sunset: 6:16 pm PDT
- details ▼
Looking ahead, conditions suggest a period of cloud-filled, sun-filled and damp weather is anticipated.
Rainfall is expected on Tuesday and Wednesday.
Noticeable swings in temperature are expected throughout the forecast window. Maximum temperatures are forecasted between 66.2°F and 91.4°F, while the lowest nightly temperature differences will be negligible, as the lowest temperatures will remain in the range of 46.4°F to 51.8°F.
With a high of 91.4°F, today is the hottest day; with the highest temperature of 66.2°F, Monday will be the coldest day.
Rainfall is expected on Tuesday and Wednesday.
Noticeable swings in temperature are expected throughout the forecast window. Maximum temperatures are forecasted between 66.2°F and 91.4°F, while the lowest nightly temperature differences will be negligible, as the lowest temperatures will remain in the range of 46.4°F to 51.8°F.
With a high of 91.4°F, today is the hottest day; with the highest temperature of 66.2°F, Monday will be the coldest day.
Updated: Oct 17, 2026 @ 15:29:46 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 Diablo, bright and sunny weather is expected.
Today, the highest temperature will be 91.4°F, while the lowest temperature will be 50°F.
Today, the maximum temperature will be uncommonly higher than the average highest temperature of 74.3°F in October. Today, the lowest temperature will be moderately lower than the average low temperature.
Today, the maximum temperature will be uncommonly higher than the average highest temperature of 74.3°F in October. Today, the lowest temperature will be moderately lower than the average low temperature.
On Saturday, in Diablo, sunrise was at 7:18 am and sunset will be at 6:27 pm (PDT).
In Diablo, today, there will be 11h and 9min of daylight.
On Sunday, skies are expected to be clear and full of sunshine.
Tomorrow, the maximum temperature will be 75.2°F, while the minimum temperature will be 50°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be relatively lower than the average low temperature.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be relatively lower than the average low temperature.
On Sunday, in Diablo, sunrise will be at 7:19 am and sunset at 6:26 pm (PDT).
In Diablo, the length of the day tomorrow will be 11h and 7min.





