Weather forecast for todayRialto, CA

Weather forecast for today

Current condition 11:34 am PDT

  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 7mphSW 230°
  • Humidity: 41%
  • Dewpoint: 50°F
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
Currently, in Rialto, the sky is covered by scattered clouds with bright spots in between.
The temperature is a warm 75.2°F. The current temperature is nearly at the maximum of today's anticipated 77°F.

Wednesday Oct 21, 2026

  • 77°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0.79"
  • Wind: 12mphSW 230°
  • Humidity: 45%
  • UV index: 5
  • Sunrise: 6:59 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
Today, in Rialto, expect a partly sunny afternoon with variable cloud cover.
The chance of rain is low. However, forecasted precipitation will be moderate. The temperature will fluctuate from a high of a warm 77°F to a low of a refreshing 57.2°F.
This predicted maximum temperature is expected to mirror October's typical high of 77.9°F.
Sunrise was at 6:59 am and sunset will be at 6:08 pm; the daylight will last for 11h and 8min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 2 pm 77°C.
Coldest hour: 2 am 63°C.

Chance of precipitation

Highest chance: 12 am 95%.

Hourly weather forecast

  • 12 pm
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphSSW 212°
  • Humidity: 39%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 1 pm
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 11mphSW 232°
  • Humidity: 38%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 12mphSW 235°
  • Humidity: 42%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 77°F
  • Feels like:
    77°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 11mphSW 231°
  • Humidity: 46%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 75°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 9mphSW 234°
  • Humidity: 47%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 73°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 10mphWSW 238°
  • Humidity: 51%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 8mphSW 229°
  • Humidity: 55%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:08 pm
  • 7 pm
  • 70°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 6mphSW 220°
  • Humidity: 61%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 68°F
  • Feels like:
    68°F
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Wind: 6mphSSW 208°
  • Humidity: 64%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 68°F
  • Feels like:
    68°F
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Wind: 4mphS 170°
  • Humidity: 68%
  • Pressure: 29.85"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 66°F
  • Feels like:
    66°F
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 0.04"
  • Wind: 6mphS 175°
  • Humidity: 74%
  • Pressure: 29.85"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 11 pm
  • 64°F
  • Feels like:
    64°F
Rain
Rain
  • Precip. probability: 78%
  • Precipitation: 0.16"
  • Wind: 4mphS 181°
  • Humidity: 78%
  • Pressure: 29.85"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
Today, in Rialto a combination of overcast and rainy weather is anticipated.
Rain is forecasted from 8 pm to 11 pm. With moderate precipitation of 0.16", most rainfall is expected at 11 pm.
The temperature will vary between the highest temperature of 77°F and the lowest temperature of 64.4°F. The warmest part of the day will be from noon to 3 pm.
The maximum temperature will be alike with October's average highest temperature of 77.9°F. The expected low will be also in line with the average minimum in October, which is 56.1°F.
Updated: Oct 21, 2026 @ 18:34:59 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 11:34 am PDT, the temperature is 75.2°F.

Today, variable cloud cover will persist, but sunshine will break through.

With a probability of 15%, moderate precipitation of 0.79" is anticipated.

Today, the maximum temperature will be 77°F, while the minimum temperature will be 57.2°F.
The maximum temperature will be in line with the average highest temperature of 77.9°F in October. The lowest temperature will be also in line with the average low of 56.1°F.

On Wednesday, in Rialto, sunrise was at 6:59 am and sunset will be at 6:08 pm (PDT).

In Rialto, today, there will be 11h and 8min of daylight.