Weather forecast for 10 daysSan Jacinto, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 86°F
- 59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 347°
- Humidity: 31%
- UV index: 6
- Sunrise: 6:55 am PDT
- Sunset: 6:10 pm PDT
- details ▼
Today, clear skies and sunshine are anticipated.
A notable temperature range, reaching a high of a tropical 86°F and a low of a moderate 59°F, is predicted.
Today, it will be hotter, and the temperature will align more with September's typical maximum of 85.5°F.
Sunrise was at 6:55 am and sunset will be at 6:10 pm; the daylight will last for 11h and 15min.
A notable temperature range, reaching a high of a tropical 86°F and a low of a moderate 59°F, is predicted.
Today, it will be hotter, and the temperature will align more with September's typical maximum of 85.5°F.
Sunrise was at 6:55 am and sunset will be at 6:10 pm; the daylight will last for 11h and 15min.
10-day overview
Daily temperatures
Warmest period: today - tomorrow 86°C.
Coldest day: Thursday 66°C.
Coldest day: Thursday 66°C.
Chance of precipitation
Highest chance: Thursday 69%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 86°F
- 59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 347°
- Humidity: 31%
- UV index: 6
- Sunrise: 6:55 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 86°F
- 59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSW 234°
- Humidity: 31%
- UV index: 6
- Sunrise: 6:56 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 82°F
- 59°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphSW 215°
- Humidity: 42%
- UV index: 6
- Sunrise: 6:57 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 79°F
- 55°F
PM Showers
- Precip. probability: 32%
- Precipitation: 0.24"
- Wind: 12mphSSW 197°
- Humidity: 58%
- UV index: 6
- Sunrise: 6:57 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 50°F
Thunderstorms
- Precip. probability: 69%
- Precipitation: 0.24"
- Wind: 8mphSW 230°
- Humidity: 73%
- UV index: 5
- Sunrise: 6:58 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 70°F
- 54°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphWNW 301°
- Humidity: 61%
- UV index: 5
- Sunrise: 6:59 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNE 47°
- Humidity: 40%
- UV index: 5
- Sunrise: 7:00 am PDT
- Sunset: 6:03 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 54°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 7mphS 172°
- Humidity: 41%
- UV index: 5
- Sunrise: 7:01 am PDT
- Sunset: 6:02 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 54°F
Mostly Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 9mphSSW 209°
- Humidity: 47%
- UV index: 5
- Sunrise: 7:02 am PDT
- Sunset: 6:01 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 75°F
- 52°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphSW 231°
- Humidity: 46%
- UV index: 5
- Sunrise: 7:02 am PDT
- Sunset: 6:00 pm PDT
- details ▼
And a combination of primarily mostly clear and occasionally rain-soaked, turbulent and overcast weather is forecasted.
With light precipitation of 0.24", rain is expected on Wednesday and Thursday.
Expect a substantial fluctuation in daytime highs in the coming days. Maximum temperatures are forecasted between 66.2°F and 86°F, while the lowest temperature will be between 50°F and 59°F.
The hottest days will be Sunday and Monday, with a maximum of 86°F; expect the coldest day on Thursday with a high of 66.2°F.
With light precipitation of 0.24", rain is expected on Wednesday and Thursday.
Expect a substantial fluctuation in daytime highs in the coming days. Maximum temperatures are forecasted between 66.2°F and 86°F, while the lowest temperature will be between 50°F and 59°F.
The hottest days will be Sunday and Monday, with a maximum of 86°F; expect the coldest day on Thursday with a high of 66.2°F.
Updated: Oct 18, 2026 @ 13:58:36 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
Today, the outlook remains bright and sunny.
Today, the highest temperature will be 86°F, while the lowest temperature will be 59°F.
Today, the highest temperature will be noticeably higher than the average maximum of 76.5°F in October. The lowest temperature will be moderately higher than the average low of 52.9°F.
Today, the highest temperature will be noticeably higher than the average maximum of 76.5°F in October. The lowest temperature will be moderately higher than the average low of 52.9°F.
On Sunday, in San Jacinto, sunrise was at 6:55 am and sunset will be at 6:10 pm (PDT).
In San Jacinto, the length of the day today will be 11h and 15min.
