Weather forecast for 10 daysRialto, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 88°F
- 61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphENE 75°
- Humidity: 26%
- UV index: 6
- Sunrise: 6:57 am PDT
- Sunset: 6:11 pm PDT
- details ▼
Tomorrow, on Sunday, skies are expected to be clear and full of sunshine.
A notable disparity in temperature is predicted, reaching up to a maximum of a blazing 87.8°F and falling to a minimum of an enjoyable 60.8°F.
Expect a hotter feel as the forecasted high matches September's 87.8°F, rather than October's average of 77.9°F.
Sunrise will be at 6:57 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 14min.
A notable disparity in temperature is predicted, reaching up to a maximum of a blazing 87.8°F and falling to a minimum of an enjoyable 60.8°F.
Expect a hotter feel as the forecasted high matches September's 87.8°F, rather than October's average of 77.9°F.
Sunrise will be at 6:57 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 14min.
10-day overview
Daily temperatures
Warmest day: tomorrow 88°C.
Coldest day: Thursday 66°C.
Coldest day: Thursday 66°C.
Chance of precipitation
Highest chance: Thursday 68%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 61°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNE 21°
- Humidity: 37%
- UV index: 0
- Sunrise: 6:56 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 88°F
- 61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphENE 75°
- Humidity: 26%
- UV index: 6
- Sunrise: 6:57 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 86°F
- 61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSW 219°
- Humidity: 31%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 82°F
- 59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSSW 200°
- Humidity: 42%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 55°F
Showers
- Precip. probability: 58%
- Precipitation: 0.47"
- Wind: 12mphS 186°
- Humidity: 58%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 52°F
Thunderstorms
- Precip. probability: 68%
- Precipitation: 0.28"
- Wind: 8mphSSW 207°
- Humidity: 74%
- UV index: 5
- Sunrise: 7:00 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 70°F
- 54°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 8mphNNW 341°
- Humidity: 63%
- UV index: 5
- Sunrise: 7:01 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphNNE 14°
- Humidity: 42%
- UV index: 5
- Sunrise: 7:02 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 75°F
- 55°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphWSW 253°
- Humidity: 46%
- UV index: 5
- Sunrise: 7:03 am PDT
- Sunset: 6:03 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 54°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 9mphS 173°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:04 am PDT
- Sunset: 6:02 pm PDT
- details ▼
Looking ahead, conditions suggest a period of primarily clear and occasionally wet and lightning-active weather is anticipated.
Rainfall is forecasted for Wednesday and Thursday.
Substantial differences in temperature are forecasted in the upcoming days. The maximum temperature will vary between 66.2°F and 87.8°F, while the low temperature range extends from 51.8°F to 60.8°F.
With the highest temperature of 87.8°F, Sunday will be the hottest day; Thursday will be the coldest day, with the highest temperature of 66.2°F.
Rainfall is forecasted for Wednesday and Thursday.
Substantial differences in temperature are forecasted in the upcoming days. The maximum temperature will vary between 66.2°F and 87.8°F, while the low temperature range extends from 51.8°F to 60.8°F.
With the highest temperature of 87.8°F, Sunday will be the hottest day; Thursday will be the coldest day, with the highest temperature of 66.2°F.
Updated: Oct 18, 2026 @ 06:52:47 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, skies will stay clear and sunny.
Tomorrow, the maximum temperature will be 87.8°F, while the minimum temperature will be 60.8°F.
The highest temperature will be significantly higher than the average maximum of 77.9°F in October. The lowest temperature tomorrow will be moderately higher than the average low temperature.
The highest temperature will be significantly higher than the average maximum of 77.9°F in October. The lowest temperature tomorrow will be moderately higher than the average low temperature.
On Sunday, in Rialto, sunrise will be at 6:57 am and sunset at 6:11 pm (PDT).
In Rialto, the length of the day tomorrow will be 11h and 14min.
