Weather forecast for tomorrowSan Jacinto, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 86°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSW 236°
  • Humidity: 30%
  • UV index: 6
  • Sunrise: 6:56 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
Tomorrow, in San Jacinto, sun-filled conditions are also expected to persist.
A stark contrast will be evident between the daytime peak temperature of a hot 86°F and the nighttime low of a mild 59°F.
Meteorological data shows 86°F is more characteristic of September's climate profile than October's.
Sunrise will be at 6:56 am and sunset at 6:09 pm; tomorrow's daylight will last for 11h and 13min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 84°C.
Coldest hour: 6 am 61°C.

Chance of precipitation

Highest chance: 12 am - 9 pm 0%.

Hourly weather forecast

  • 12 am
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 77°
  • Humidity: 47%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphE 82°
  • Humidity: 51%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphE 85°
  • Humidity: 53%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphE 89°
  • Humidity: 54%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:56 am
  • 8 am
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 67°
  • Humidity: 49%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSW 234°
  • Humidity: 31%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphWSW 244°
  • Humidity: 23%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 2 pm
  • 84°F
  • Feels like:
    84°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWSW 246°
  • Humidity: 20%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 4 pm
  • 84°F
  • Feels like:
    84°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 235°
  • Humidity: 22%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 214°
  • Humidity: 32%
  • Pressure: 29.8"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunset: 6:09 pm
  • 8 pm
  • 73°F
  • Feels like:
    73°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 215°
  • Humidity: 45%
  • Pressure: 29.85"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphENE 71°
  • Humidity: 52%
  • Pressure: 29.85"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Tomorrow, primarily sunny and occasionally dull weather is forecasted.
The temperature will vary between a minimum of 59°F and a maximum of 84.2°F. The hottest part of the day will be from 1 pm to 4 pm.
The forecasted maximum is more similar to September's typical high of 85.5°F than the average for October. The expected low will be also more comparable to what’s typical in September than in October.
Updated: Oct 18, 2026 @ 07:42:05 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, expect bright skies and plenty of sunshine.

Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 59°F.
The highest temperature will be uncommonly higher than the average maximum of 76.5°F in October. The lowest temperature will be a couple of degrees higher than the average low of 52.9°F.

On Monday, in San Jacinto, sunrise will be at 6:56 am and sunset at 6:09 pm (PDT).

In San Jacinto, tomorrow, there will be 11h and 13min of daylight.