Rio Vista, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jul 15 		Sunny
Close Hourly 		100º / 64º 0% WSW 19 mph 28%
7am Sunny 75º 0% WSW 11 mph 43%
8am Sunny 78º 0% WSW 13 mph 39%
9am Sunny 82º 0% WSW 12 mph 35%
10am Sunny 84º 0% WSW 13 mph 32%
11am Sunny 89º 0% WSW 13 mph 27%
12pm Sunny 92º 0% WSW 13 mph 24%
1pm Sunny 95º 0% WSW 14 mph 22%
2pm Sunny 97º 0% WSW 14 mph 20%
3pm Sunny 98º 0% WSW 16 mph 19%
4pm Sunny 98º 0% WSW 18 mph 18%
5pm Sunny 97º 0% WSW 19 mph 19%
6pm Sunny 94º 0% WSW 19 mph 20%
7pm Sunny 89º 0% WSW 19 mph 23%
8pm Sunny 83º 0% WSW 18 mph 28%
9pm Clear 78º 0% WSW 18 mph 34%
10pm Clear 75º 0% WSW 18 mph 37%
11pm Clear 74º 0% WSW 18 mph 38%
Thu
Jul 16 		Sunny
View Hourly 		91º / 56º 0% WSW 18 mph 34%
12am Clear 72º 0% WSW 18 mph 41%
1am Clear 70º 0% WSW 17 mph 44%
2am Clear 69º 0% WSW 17 mph 47%
3am Clear 67º 0% WSW 18 mph 49%
4am Clear 66º 0% WSW 18 mph 52%
5am Clear 65º 0% WSW 18 mph 55%
6am Sunny 65º 1% WSW 17 mph 57%
7am Sunny 65º 0% WSW 16 mph 57%
8am Sunny 68º 0% WSW 18 mph 52%
9am Sunny 72º 0% WSW 17 mph 45%
10am Sunny 76º 0% WSW 17 mph 39%
11am Sunny 80º 0% WSW 17 mph 34%
12pm Sunny 84º 0% WSW 16 mph 31%
1pm Sunny 86º 0% WSW 16 mph 28%
2pm Sunny 88º 0% WSW 16 mph 26%
3pm Sunny 89º 0% WSW 17 mph 25%
4pm Sunny 90º 0% WSW 18 mph 24%
5pm Sunny 88º 0% WSW 18 mph 25%
6pm Sunny 86º 0% WSW 18 mph 27%
7pm Sunny 82º 0% WSW 18 mph 31%
8pm Sunny 76º 0% WSW 16 mph 38%
9pm Clear 71º 0% SW 16 mph 47%
10pm Clear 67º 1% SW 16 mph 52%
11pm Clear 65º 1% WSW 16 mph 57%
Fri
Jul 17 		Sunny
View Hourly 		86º / 56º 5% WSW 17 mph 46%
12am Clear 64º 2% WSW 16 mph 62%
1am Clear 62º 3% WSW 15 mph 65%
2am Clear 61º 4% WSW 15 mph 69%
3am Clear 59º 5% WSW 14 mph 74%
4am Clear 58º 5% WSW 13 mph 77%
5am Clear 58º 6% WSW 13 mph 79%
6am Sunny 57º 6% WSW 13 mph 82%
Sat
Jul 18 		Partly Cloudy 88º / 56º 5% WSW 16 mph 47%
Sun
Jul 19 		Partly Cloudy 87º / 59º 5% WSW 17 mph 48%
Mon
Jul 20 		Partly Cloudy 87º / 61º 4% WSW 17 mph 49%
Tue
Jul 21 		Mostly Sunny 90º / 60º 2% WSW 18 mph 45%
Wed
Jul 22 		Sunny 92º / 60º 2% WSW 17 mph 44%

Weather Radar for Rio Vista, CA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Rio Vista, CA

Wednesday
High : 96ºF
W wind 10 to 14 kt, with gusts as high as 22 kt. Sunny.
Wednesday Night
Low : 63ºF
WSW wind 12 to 14 kt, with gusts as high as 24 kt. Clear.
Thursday
High : 89ºF
WSW wind around 13 kt, with gusts as high as 24 kt. Sunny.
Thursday Night
Low : 58ºF
WSW wind 9 to 13 kt, with gusts as high as 22 kt. Clear.
Friday
High : 84ºF
WSW wind 8 to 12 kt, with gusts as high as 19 kt. Sunny.
Friday Night
Low : 57ºF
WSW wind 11 to 13 kt, with gusts as high as 22 kt. Mostly clear.
Saturday
High : 84ºF
W wind 9 to 11 kt, with gusts as high as 19 kt. Sunny.
Saturday Night
Low : 58ºF
WSW wind around 12 kt, with gusts as high as 22 kt. Partly cloudy.
Sunday
High : 82ºF
W wind around 12 kt, with gusts as high as 21 kt. Partly sunny.

NOAA Buoy Data Near Rio Vista, CA See Map

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    Wind Speed Forecast for Rio Vista, CA

    WednesdayThursdayFriday
    Wind Speed (MPH) 111316191818161717181614
    2pm6pm10pm2am6am10am2pm6pm10pm2am6am10am
    MPH 111316191818161717181614
    DIR WSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSW

    Current Weather Conditions In Rio Vista, CA

    As Of: 8 minutes ago

    • 75ºF
    • 75ºF
    • 11mph
    • 0º (WSW)
    • 17mph
    • Sunny
    • 10mi
    • 29.90"
    • 43%
    • 0ºF

    The weather right now in Rio Vista, CA is Sunny. The current temperature is 75°F, and the expected high and low for today, Wednesday, July 15, 2026, are 100° high temperature and 64°F low temperature. The wind is currently blowing at 11 miles per hour, and coming from the West Southwest. The wind is gusting to 17 mph. With the wind and the atmosphere the temperature feels like 75° Fahrenheit. Expected precipitation is 0 percent, with current humidity at 43 percent, and air pressure at 29.9 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 2:24am Wed Jul 15 2026

    ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM PDT THIS EVENING...

    WHAT: Southwest winds 10 to 20 kt and a moderate chop
    expected.

    WHERE: San Pablo Bay, Suisun Bay, the West Delta and the San
    Francisco Bay north of the Bay Bridge.

    WHEN: From 3 PM this afternoon to 9 PM PDT this evening.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&