Weather forecast for tomorrowHillsborough, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 63°F
  • 50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 13mphWNW 291°
  • Humidity: 66%
  • UV index: 4
  • Sunrise: 7:21 am PDT
  • Sunset: 6:26 pm PDT
  • ▼
On Monday, October 19, expect continuous cloudiness with subdued daylight.
Forecasted temperature values will span from an enjoyable 62.6°F down to a crisp 50°F.
The expected high will be relatively lower than October's standard temperature of 67.1°F.
Sunrise will be at 7:21 am and sunset at 6:26 pm; tomorrow's daylight will last for 11h and 5min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 63°C.
Coldest period: 3 am - 6 am 54°C.

Chance of precipitation

Highest chance: 12 am 15%.

Hourly weather forecast

  • 12 am
  • 55°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 9mphWNW 291°
  • Humidity: 83%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 55°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 7mphWNW 289°
  • Humidity: 85%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 7mphWNW 289°
  • Humidity: 83%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 7mphWNW 285°
  • Humidity: 81%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:21 am
  • 8 am
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 6mphWNW 289°
  • Humidity: 78%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 9mphWNW 287°
  • Humidity: 69%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 11mphWNW 290°
  • Humidity: 63%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 12mphWNW 294°
  • Humidity: 59%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    59°F
Cloudy
Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 13mphWNW 295°
  • Humidity: 58%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    57°F
Cloudy
Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 12mphWNW 296°
  • Humidity: 64%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:26 pm
  • 8 pm
  • 57°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 8mphWNW 297°
  • Humidity: 69%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 55°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 5mphWNW 295°
  • Humidity: 77%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, primarily overcast and occasionally bright weather is anticipated.
The temperature will be between the lowest temperature of 53.6°F and the highest temperature of 62.6°F. The warmest part of the day is anticipated around 3 pm.
The maximum temperature will be slightly cooler than October's average high of 67.1°F. The expected low will be more similar to what’s common in November than the current October average of 55.6°F.
Updated: Oct 18, 2026 @ 11:06:32 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Hillsborough, a low, thick cloud deck is likely to persist.

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 50°F.
The highest temperature will be relatively lower than the average maximum of 67.1°F in October. The lowest temperature will be also moderately lower than the average low of 55.6°F.

On Monday, in Hillsborough, sunrise will be at 7:21 am and sunset at 6:26 pm (PDT).

In Hillsborough, tomorrow, there will be 11h and 5min of daylight.