Weather forecast for tomorrowDiscovery Bay, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 12mphWSW 255°
  • Humidity: 51%
  • UV index: 5
  • Sunrise: 7:19 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
Tomorrow, in Discovery Bay, expect a mix of sun and clouds throughout the day.
A temperature range of a pleasant 71.6°F to a frosty 48.2°F is predicted.
The forecasted top temperature is expected to be relatively lower than the usual October maximum of 75.9°F.
Sunrise will be at 7:19 am and sunset at 6:23 pm; tomorrow's daylight will last for 11h and 4min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 72°C.
Coldest hour: 6 am 50°C.

Chance of precipitation

Highest chance: 6 am 8%.

Hourly weather forecast

  • 12 am
  • 57°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphWSW 240°
  • Humidity: 72%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 8mphWSW 244°
  • Humidity: 76%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphWSW 243°
  • Humidity: 82%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphWSW 247°
  • Humidity: 87%
  • Pressure: 29.94"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunrise: 7:19 am
  • 8 am
  • 54°F
  • Feels like:
    50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphWSW 247°
  • Humidity: 80%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphWSW 253°
  • Humidity: 57%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphWSW 256°
  • Humidity: 44%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphWSW 255°
  • Humidity: 36%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 70°F
  • Feels like:
    70°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphW 260°
  • Humidity: 35%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 66°F
  • Feels like:
    66°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphW 259°
  • Humidity: 42%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:23 pm
  • 8 pm
  • 59°F
  • Feels like:
    57°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphWSW 249°
  • Humidity: 57%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphWSW 250°
  • Humidity: 61%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of dry and sunny and dull weather is anticipated.
The temperature will vary between the lowest temperature of 50°F and the highest temperature of 71.6°F. The warmest part of the day will be at 2 pm and 3 pm.
The highest temperature will be a few degrees lower than October's average maximum of 75.9°F. The expected low will be more consistent with what’s common in November than the current October average of 54°F.
Updated: Oct 18, 2026 @ 07:01:11 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, in Discovery Bay, intermittent cloud cover is expected, allowing for some sunshine.

Tomorrow, the maximum temperature in Discovery Bay will be 71.6°F, while the minimum temperature will be 48.2°F.
The maximum temperature will be moderately lower than the average highest temperature of 75.9°F in October. The lowest temperature will be also a few degrees lower than the average low of 54°F.

On Monday, in Discovery Bay, sunrise will be at 7:19 am and sunset at 6:23 pm (PDT).

Tomorrow, the daylight will last for 11h and 4min.