Weather for Rio Vista, California
Current Weather
Humidity: 89%
Feels Like: 56.3°F
Wind: SW 5.4 mph
Wind Gusts: 8.3 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.1
Five Day Weather Forecast
Mon
H: 77°F
L: 51°F
Tue
H: 70°F
L: 48°F
Wed
H: 64°F
L: 49°F
Thu
H: 70°F
L: 54°F
Fri
H: 73°F
L: 54°F
Air Quality
Nitrogen Dioxide: 12.05 μg/m3
Sulphur Dioxide: 4.95 μg/m3
Ozone: 85 μg/m3
Astronomical
Sun Transit: 11:50 AM
Sunset: 5:05 PM
Daylight: 10 hrs 29 mins
Moon Transit: 10:35 PM
Moonset: 4:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 12:00 AM
Minor Periods
3:19 PM - 4:49 PM3:49 AM - 5:19 AM
Action Rating: 3 out of 5
Wind Advisory issued November 3 at 2:24AM PST until November 5 at 4:00PM PST by NWS Sacramento CA
Effective: Mon November 3, 2025, 2:24 AM
Expires: Tue November 4, 2025, 4:15 AM
* WHAT...Southerly winds 15 to 25 mph with gusts 30 to 50 mph expected. * WHERE...Carquinez Strait and Delta, Sacramento Valley, and Northeast Foothills. * WHEN...From 10 PM Tuesday to 4 PM PST Wednesday. * IMPACTS...Gusty southerly winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Wind Advisory issued November 2 at 11:59PM PST until November 5 at 4:00PM PST by NWS San Francisco CA
Effective: Sun November 2, 2025, 11:59 PM
Expires: Mon November 3, 2025, 2:00 PM
* WHAT...South winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...The Bay Area, North Bay, Santa Cruz Mountains, and San Francisco Peninsula Coast. * WHEN...From 10 PM Tuesday to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Isolated gusts to 55 mph possible along North Bay coastal areas and ridgetops Wednesday morning as the cold front passes through.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure loose outdoor objects that could be blown around or damaged by the wind.
Coastal Flood Advisory issued November 2 at 10:40PM PST until November 8 at 2:00PM PST by NWS San Francisco CA
Effective: Sun November 2, 2025, 10:40 PM
Expires: Tue November 4, 2025, 3:00 AM
* WHAT...Up to 1.2 ft of inundation above ground level is possible in low lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Francisco Bay and San Pablo Bay. * WHEN...From 8 AM Tuesday to 2 PM PST Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge high tide is expected to be 0.7 ft above normal (6.6 ft MLLW) at 9:42 AM Tuesday, 1.0 ft above normal (6.9 ft MLLW) at 10:18 AM Wednesday, 1.2 ft above normal (7.0 ft MLLW) at 10:58 AM Thursday, 1.1 ft above normal (7.0 ft MLLW) at 11:42 AM Friday, and 0.9 ft above normal (6.7 ft MLLW) at 12:31 PM Saturday. High tide timing varies up to 90 minutes earlier or later along the coast and throughout the Bay respectfully.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Weather Forecast
Average Temperature: 61.3°F
Average Humidity: 61%
Wind: 11.9 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 40.75 μg/m3
Sulphur Dioxide: 5.19 μg/m3
Ozone: 36.32 μg/m3
Astronomical
Sun Transit: 11:50 AM
Sunset: 5:05 PM
Daylight: 10 hrs 29 mins
Moon Transit: 10:35 PM
Moonset: 4:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 12:00 AM
Minor Periods
3:19 PM - 4:49 PM3:49 AM - 5:19 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 57.4°F
Average Humidity: 79%
Wind: 6.7 mph
UV Index: 0.7
Air Quality
Nitrogen Dioxide: 30.89 μg/m3
Sulphur Dioxide: 5.19 μg/m3
Ozone: 37.44 μg/m3
Astronomical
Sun Transit: 11:50 AM
Sunset: 5:04 PM
Daylight: 10 hrs 27 mins
Moon Transit: 11:31 PM
Moonset: 5:35 AM
Moon Phase: Full
Moon Illumination: 99.4%
Best Times for Fishing or Hunting
Major Periods
6:09 AM - 8:39 AM12:00 AM - 12:00 AM
Minor Periods
3:51 PM - 5:21 PM5:05 AM - 6:35 AM
Action Rating: 6 out of 5
Weather Forecast
Average Temperature: 56.5°F
Average Humidity: 80%
Wind: 16.6 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 20.93 μg/m3
Sulphur Dioxide: 3.73 μg/m3
Ozone: 39.8 μg/m3
Astronomical
Sun Transit: 11:50 AM
Sunset: 5:03 PM
Daylight: 10 hrs 25 mins
Moon Transit: 12:00 AM
Moonset: 6:56 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:06 AM - 9:36 AM
Minor Periods
4:28 PM - 5:58 PM6:26 AM - 7:56 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 60.2°F
Average Humidity: 76%
Wind: 7.4 mph
UV Index: 5
Air Quality
Nitrogen Dioxide: 20.75 μg/m3
Sulphur Dioxide: 3.42 μg/m3
Ozone: 39.68 μg/m3
Astronomical
Sun Transit: 11:50 AM
Sunset: 5:02 PM
Daylight: 10 hrs 23 mins
Moon Transit: 12:31 AM
Moonset: 8:17 AM
Moon Phase: Full
Moon Illumination: 97.9%
Best Times for Fishing or Hunting
Major Periods
12:01 AM - 2:31 AM8:08 AM - 10:38 AM
Minor Periods
5:15 PM - 6:45 PM7:47 AM - 9:17 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 59.3°F
Average Humidity: 72%
Wind: 10.3 mph
UV Index: 5
Air Quality
Nitrogen Dioxide: 22.27 μg/m3
Sulphur Dioxide: 3.7 μg/m3
Ozone: 40.46 μg/m3
Astronomical
Sun Transit: 11:50 AM
Sunset: 5:01 PM
Daylight: 10 hrs 21 mins
Moon Transit: 1:36 AM
Moonset: 9:34 AM
Moon Phase: Full
Moon Illumination: 93.4%
Best Times for Fishing or Hunting
Major Periods
1:06 AM - 3:36 AM9:14 AM - 11:44 AM
Minor Periods
6:12 PM - 7:42 PM9:04 AM - 10:34 AM
Action Rating: 3 out of 5