Monthly outlook for Rio Vista, CA: average high 65.1°, average low 48.8°. That is 0.2° above the climate normal for November. Precipitation is expected on 4 days (about 2.4 inches), against a normal of 3 days and 1.1 inches. The warmest day looks like 5 November (73.4°), the coolest 16 November (45°).
65.1°/48.8°
Average high / low
+0.2°
Above normal
4 / 3
Wet days / normal
2.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
3 November – 12 November
68.6°
65.9°
+1.5°
13 November – 22 November
59.3°
62°
-1.5°
23 November – 2 December
at normal
58.6°
—
November records over 66 years
83.1°3 November 2018All-time high
33.6°29 November 1975All-time low
Climate normals and records are computed from the nearest reference point — Antioch (15 mi).
Wed, 0469° / 46°0
69 °
Rio Vista, Wednesday, 4 November
Clear. High 69°, low 46°.
Pressure30.06 inHg
Wind7.9 mph NW
Humidity43%
Visibility6.2 mi
Dew point45°
Thu, 0573° / 47°0
73 °
Rio Vista, Thursday, 5 November
Clear. High 73°, low 47°.
Pressure30.09 inHg
Wind7.9 mph NW
Humidity42%
Visibility6.2 mi
Dew point45°
Fri, 0671° / 48°0
71 °
Rio Vista, Friday, 6 November
Partly cloudy. High 71°, low 48°.
Pressure30.15 inHg
Wind5.8 mph N
Humidity33%
Visibility6.2 mi
Dew point38°
Sat, 0771° / 47°0
71 °
Rio Vista, Saturday, 7 November
Partly cloudy. High 71°, low 47°.
Pressure30.09 inHg
Wind2.4 mph NE
Humidity46%
Visibility6.2 mi
Dew point46°
Sun, 0873° / 50°0
73 °
Rio Vista, Sunday, 8 November
Clear. High 73°, low 50°.
Pressure30.15 inHg
Wind5.5 mph SW
Humidity55%
Visibility—
Dew point45°
Mon, 0967° / 52°0
67 °
Rio Vista, Monday, 9 November
Partly cloudy. High 67°, low 52°.
Pressure30.09 inHg
Wind8.7 mph SW
Humidity75%
Visibility—
Dew point50°
Tue, 1072° / 51°0
72 °
Rio Vista, Tuesday, 10 November
Clear. High 72°, low 51°.
Pressure30.09 inHg
Wind6.5 mph W
Humidity44%
Visibility—
Dew point40°
Wed, 1170° / 52°0
70 °
Rio Vista, Wednesday, 11 November
Partly cloudy. High 70°, low 52°.
Pressure30.06 inHg
Wind9.8 mph W
Humidity40%
Visibility—
Dew point38°
Thu, 1259° / 52°0.51
59 °
Rio Vista, Thursday, 12 November
Rain. High 59°, low 52°.
Pressure29.88 inHg
Wind9.7 mph SE
Humidity92%
Visibility—
Dew point55°
Fri, 1363° / 48°0
63 °
Rio Vista, Friday, 13 November
Partly cloudy. High 63°, low 48°.
Pressure30.00 inHg
Wind5.8 mph S
Humidity69%
Visibility—
Dew point45°
Sat, 1455° / 52°1.29
55 °
Rio Vista, Saturday, 14 November
Heavy rain. High 55°, low 52°.
Pressure29.74 inHg
Wind17.1 mph SE
Humidity76%
Visibility—
Dew point47°
Sun, 1559° / 47°0.14
59 °
Rio Vista, Sunday, 15 November
Light rain. High 59°, low 47°.
Pressure30.09 inHg
Wind7.8 mph S
Humidity69%
Visibility—
Dew point45°
Mon, 1659° / 45°0
59 °
Rio Vista, Monday, 16 November
Overcast. High 59°, low 45°.
Pressure30.33 inHg
Wind10.9 mph N
Humidity64%
Visibility—
Dew point40°
Tue, 1760° / 45°0
60 °
Rio Vista, Tuesday, 17 November
Partly cloudy. High 60°, low 45°.
Pressure30.30 inHg
Wind6.7 mph N
Humidity57%
Visibility—
Dew point38°
Wed, 1860° / 47°0
60 °
Rio Vista, Wednesday, 18 November
Overcast. High 60°, low 47°.
Pressure30.30 inHg
Wind4.9 mph N
Humidity54%
Visibility—
Dew point38°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 1961° / 47°0.06
61 °
Rio Vista, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high61°
Average low47°
Average precipitation0.06 in
Chance of precipitation23%
Record high71° (1989)
Record low35° (1994)
Fri, 2061° / 47°0.09
61 °
Rio Vista, Friday, 20 November
Climate normal for this date — 60-year average.
Average high61°
Average low47°
Average precipitation0.09 in
Chance of precipitation28%
Record high71° (2015)
Record low38° (1994)
Sat, 2160° / 46°0.11
60 °
Rio Vista, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high60°
Average low46°
Average precipitation0.11 in
Chance of precipitation25%
Record high70° (1962)
Record low35° (1985)
Sun, 2260° / 46°0.08
60 °
Rio Vista, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high60°
Average low46°
Average precipitation0.08 in
Chance of precipitation27%
Record high68° (2005)
Record low36° (1985)
Mon, 2360° / 46°0.05
60 °
Rio Vista, Monday, 23 November
Climate normal for this date — 60-year average.
Average high60°
Average low46°
Average precipitation0.05 in
Chance of precipitation18%
Record high73° (1995)
Record low38° (1973)
Tue, 2460° / 46°0.08
60 °
Rio Vista, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high60°
Average low46°
Average precipitation0.08 in
Chance of precipitation18%
Record high73° (1995)
Record low34° (2010)
Wed, 2559° / 45°0.05
59 °
Rio Vista, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high59°
Average low45°
Average precipitation0.05 in
Chance of precipitation18%
Record high73° (1995)
Record low36° (2010)
Thu, 2659° / 44°0.06
59 °
Rio Vista, Thursday, 26 November
Climate normal for this date — 60-year average.
Average high59°
Average low44°
Average precipitation0.06 in
Chance of precipitation22%
Record high69° (2002)
Record low36° (2015)
Fri, 2758° / 45°0.06
58 °
Rio Vista, Friday, 27 November
Climate normal for this date — 60-year average.
Average high58°
Average low45°
Average precipitation0.06 in
Chance of precipitation23%
Record high71° (1986)
Record low35° (2015)
Sat, 2858° / 44°0.11
58 °
Rio Vista, Saturday, 28 November
Climate normal for this date — 60-year average.
Average high58°
Average low44°
Average precipitation0.11 in
Chance of precipitation25%
Record high69° (1995)
Record low36° (2015)
Sun, 2958° / 44°0.11
58 °
Rio Vista, Sunday, 29 November
Climate normal for this date — 60-year average.
Average high58°
Average low44°
Average precipitation0.11 in
Chance of precipitation22%
Record high72° (1995)
Record low34° (1975)
Mon, 3057° / 44°0.13
57 °
Rio Vista, Monday, 30 November
Climate normal for this date — 60-year average.
Average high57°
Average low44°
Average precipitation0.13 in
Chance of precipitation25%
Record high71° (1977)
Record low36° (2010)
Tue, 0158° / 45°0.1
58 °
Rio Vista, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high58°
Average low45°
Average precipitation0.1 in
Chance of precipitation25%
Record high66° (1977)
Record low38° (2007)
Wed, 0258° / 44°0.15
58 °
Rio Vista, Wednesday, 2 December
Climate normal for this date — 60-year average.
Average high58°
Average low44°
Average precipitation0.15 in
Chance of precipitation25%
Record high69° (2011)
Record low33° (2022)
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Rio Vista, CA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Rio Vista, CA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.