Today
Expect partly cloudy. Daytime high +75°, overnight low +52°. Wind up to 6 mph. No precipitation expected.
Weather in Rio Vista
United States · California · 38.1639, -121.6958
Today Now 3:38 AM
+54° Clear
Hourly forecast
Today10/25
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow high +72° and clear, nighttime low +54° — 4° colder than today.
Week
During the week the thermometer stays between +48°…+75°. Warmest day — Sun, up to +75°. Nighttime weekly low: +48° (Wed). No rain in the forecast. Second half of the week is cooler.
Week vs norm
- Today 10/25 +75° as usual usually +75°
- Tomorrow 10/26 +72° −3° usually +74°
- Tue 10/27 +68° −6° usually +74°
- Wed 10/28 +70° −4° usually +73°
- Thu 10/29 +70° −3° usually +73°
- Fri 10/30 +70° −3° usually +73°
- Sat 10/31 +64° −8° usually +72°
- Sun 11/1 +57° −15° usually +72°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 25
Today is cooler than usual for this date.
- Heat record +88° 2017
- Cold record +46° 2013
- Most precipitation 1.7 in 2021
- Strongest gust 37 mph 2006
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Rio Vista
Today is about 5° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +58° / +42° | +48° | 4.1 |
| Feb | +61° / +43° | +51° | 3.8 |
| Mar | +66° / +46° | +54° | 3.0 |
| Apr | +72° / +49° | +59° | 1.3 |
| May | +79° / +54° | +65° | 0.7 |
| Jun | +86° / +58° | +70° | 0.1 |
| Jul | +89° / +60° | +72° | 0.0 |
| Aug | +89° / +60° | +72° | 0.1 |
| Sep | +87° / +58° | +70° | 0.1 |
| Oct | +79° / +54° | +64° | 1.0 |
| Nov | +66° / +47° | +55° | 2.1 |
| Dec | +58° / +42° | +48° | 4.1 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:25 AM | 6:15 PM
Moon
5:45 PM | 6:57 AM
Moon phase
Waxing gibbous 100%
Next solar eclipse
Calculating for this city…