Weather forecast for tomorrowDiablo, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 48°F
Mostly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 12mphWSW 250°
- Humidity: 59%
- UV index: 5
- Sunrise: 7:20 am PDT
- Sunset: 6:24 pm PDT
- details ▼
Tomorrow, on Monday, a mainly cloudy pattern is expected.
The maximum temperature will be a breezy 66.2°F, while the minimum predicted temperature is a chilly 48.2°F.
The temperature will be lower and more consistent with November's average high of 64°F than with October's usual.
Sunrise will be at 7:20 am and sunset at 6:24 pm; tomorrow's daylight will last for 11h and 5min.
The maximum temperature will be a breezy 66.2°F, while the minimum predicted temperature is a chilly 48.2°F.
The temperature will be lower and more consistent with November's average high of 64°F than with October's usual.
Sunrise will be at 7:20 am and sunset at 6:24 pm; tomorrow's daylight will last for 11h and 5min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 50°C.
Coldest hour: 6 am 50°C.
Chance of precipitation
Highest chance: 12 am - 3 am 18%.
Hourly weather forecast
- 12 am
- 54°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 9mphSW 228°
- Humidity: 81%
- Pressure: 29.97"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 2 am
- 54°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 8mphSW 231°
- Humidity: 82%
- Pressure: 29.97"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 4 am
- 52°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 8mphSW 231°
- Humidity: 83%
- Pressure: 29.97"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 6 am
- 50°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 8mphSW 228°
- Humidity: 84%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:20 am
- 8 am
- 52°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 8mphSW 231°
- Humidity: 82%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 57°F
- Feels like:54°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphWSW 241°
- Humidity: 68%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphWSW 247°
- Humidity: 53%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphW 259°
- Humidity: 46%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphW 265°
- Humidity: 46%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:57°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphW 267°
- Humidity: 53%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:24 pm
- 8 pm
- 55°F
- Feels like:54°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphW 264°
- Humidity: 64%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:52°F
Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphWSW 254°
- Humidity: 72%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloudy and sun-filled weather is anticipated.
The temperature will be between a minimum of 50°F and a maximum of 64.4°F. The warmest part of the day will be from 1 pm to 3 pm.
The forecasted high is more similar to November's typical maximum of 64°F than the usual for October. Forecast models suggest a low also more comparable to November's typical minimum of 46.9°F than October's usual 53.8°F.
The temperature will be between a minimum of 50°F and a maximum of 64.4°F. The warmest part of the day will be from 1 pm to 3 pm.
The forecasted high is more similar to November's typical maximum of 64°F than the usual for October. Forecast models suggest a low also more comparable to November's typical minimum of 46.9°F than October's usual 53.8°F.
Updated: Oct 18, 2026 @ 08:53:05 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
Tomorrow, the weather will feel mostly overcast.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 48.2°F.
The highest temperature will be relatively lower than the average maximum of 74.3°F in October. The lowest temperature will be also a few degrees lower than the average low of 53.8°F.
The highest temperature will be relatively lower than the average maximum of 74.3°F in October. The lowest temperature will be also a few degrees lower than the average low of 53.8°F.
On Monday, in Diablo, sunrise will be at 7:20 am and sunset at 6:24 pm (PDT).
In Diablo, the length of the day tomorrow will be 11h and 5min.
