Weather forecast for todayRio Vista, CA

Weather forecast for today

Current condition 12:42 pm PDT

  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 6mphNNW 340°
  • Humidity: 26%
  • Dewpoint: 39°F
  • Pressure: 30.04"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
At the moment, in Rio Vista, the perfect day for a walk, with a clear sky and a warm sun.
The temperature is a temperate 78.8°F. The current temperature is relatively far from today's maximum-anticipated 91.4°F.

Saturday Oct 17, 2026

  • 91°F
  • 54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNW 318°
  • Humidity: 20%
  • UV index: 5
  • Sunrise: 7:17 am PDT
  • Sunset: 6:26 pm PDT
  • ▼
Today, sunshine will likely continue with scattered clouds at most.
The peak daytime temperature will touch a tropical 91.4°F, while the nighttime temperature will descend to a cool 53.6°F.
Today, the predicted high will be higher and much closer to September's average high of 86.9°F than October's 76.5°F.
Sunrise was at 7:17 am and sunset will be at 6:26 pm; the daylight will last for 11h and 8min.

Hourly overview

Hourly temperatures

Warmest period: 4 pm - 5 pm 90°C.
Coldest hour: 10 pm 68°C.

Chance of precipitation

Highest chance: 1 pm - 10 pm 0%.

Hourly weather forecast

  • 1 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphN 356°
  • Humidity: 23%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 84°F
  • Feels like:
    84°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphN 356°
  • Humidity: 20%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 88°F
  • Feels like:
    88°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNNW 340°
  • Humidity: 18%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 90°F
  • Feels like:
    90°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWNW 302°
  • Humidity: 16%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 5 pm
  • 90°F
  • Feels like:
    90°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWNW 288°
  • Humidity: 16%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 84°F
  • Feels like:
    84°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphW 267°
  • Humidity: 20%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:26 pm
  • 7 pm
  • 75°F
  • Feels like:
    75°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWSW 249°
  • Humidity: 28%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWSW 244°
  • Humidity: 33%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 70°F
  • Feels like:
    70°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphWSW 246°
  • Humidity: 36%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphWSW 243°
  • Humidity: 40%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphWSW 243°
  • Humidity: 43%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Rio Vista, mostly cloudless and sunny weather is anticipated.
The temperature will be between a minimum of 66.2°F and a maximum of 89.6°F. The hottest part of the day will be at 4 pm and 5 pm.
Today, the peak temperature is expected to align more with September than with October's typical high. Today, the night is expected to be consistent with the typical October low of 54.1°F.
Updated: Oct 17, 2026 @ 19:42:48 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 12:42 pm PDT is 78.8°F.

On Saturday, uninterrupted sunshine is anticipated.

Today, the maximum temperature in Rio Vista will be 91.4°F, while the minimum temperature will be 53.6°F.
The highest temperature today will be significantly higher than the average maximum of 76.5°F in October. The lowest temperature today will be in line with the average low temperature.

On Saturday, in Rio Vista, sunrise was at 7:17 am and sunset will be at 6:26 pm (PDT).

In Rio Vista, the length of the day today will be 11h and 8min.