Monthly outlook for Rio Vista, CA: average high 68.6°, average low 49.7°. That is 3.1° above the climate normal for November. Precipitation is expected on 2 days (about 1.2 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 13 November (75.6°), the coolest 8 November (45.8°).
68.6°/49.7°
Average high / low
+3.1°
Above normal
2 / 4
Wet days / normal
1.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
7 November – 16 November
72°
64.1°
+4.4°
17 November – 26 November
62.8°
60.5°
+1.3°
27 November – 6 December
at normal
57.9°
—
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).
Sun, 0874° / 46°0
74 °
Rio Vista, Sunday, 8 November
Overcast. High 74°, low 46°.
Pressure30.12 inHg
Wind2.1 mph NW
Humidity43%
Visibility6.2 mi
Dew point45°
Mon, 0973° / 47°0
73 °
Rio Vista, Monday, 9 November
Overcast. High 73°, low 47°.
Pressure30.12 inHg
Wind2.2 mph NW
Humidity45%
Visibility6.2 mi
Dew point48°
Tue, 1076° / 51°0
76 °
Rio Vista, Tuesday, 10 November
Clear. High 76°, low 51°.
Pressure30.18 inHg
Wind4.3 mph NW
Humidity44%
Visibility6.2 mi
Dew point50°
Wed, 1173° / 50°0
73 °
Rio Vista, Wednesday, 11 November
Clear. High 73°, low 50°.
Pressure30.06 inHg
Wind3.2 mph NE
Humidity48%
Visibility6.2 mi
Dew point49°
Thu, 1274° / 50°0
74 °
Rio Vista, Thursday, 12 November
Clear. High 74°, low 50°.
Pressure29.94 inHg
Wind5.6 mph NW
Humidity51%
Visibility—
Dew point45°
Fri, 1376° / 51°0
76 °
Rio Vista, Friday, 13 November
Clear. High 76°, low 51°.
Pressure29.94 inHg
Wind4.8 mph N
Humidity38%
Visibility—
Dew point38°
Sat, 1475° / 54°0
75 °
Rio Vista, Saturday, 14 November
Overcast. High 75°, low 54°.
Pressure29.83 inHg
Wind11 mph W
Humidity27%
Visibility—
Dew point29°
Sun, 1563° / 52°0.69
63 °
Rio Vista, Sunday, 15 November
Rain. High 63°, low 52°.
Pressure29.80 inHg
Wind10.2 mph SW
Humidity70%
Visibility—
Dew point50°
Mon, 1662° / 50°0.01
62 °
Rio Vista, Monday, 16 November
Light rain. High 62°, low 50°.
Pressure30.18 inHg
Wind6.6 mph SE
Humidity67%
Visibility—
Dew point46°
Tue, 1764° / 51°0
64 °
Rio Vista, Tuesday, 17 November
Overcast. High 64°, low 51°.
Pressure30.09 inHg
Wind16.4 mph SE
Humidity58%
Visibility—
Dew point42°
Wed, 1864° / 53°0.51
64 °
Rio Vista, Wednesday, 18 November
Rain. High 64°, low 53°.
Pressure30.00 inHg
Wind13.4 mph SE
Humidity81%
Visibility—
Dew point51°
Thu, 1960° / 48°0
60 °
Rio Vista, Thursday, 19 November
Overcast. High 60°, low 48°.
Pressure30.18 inHg
Wind6.5 mph W
Humidity70%
Visibility—
Dew point45°
Fri, 2062° / 48°0
62 °
Rio Vista, Friday, 20 November
Overcast. High 62°, low 48°.
Pressure30.24 inHg
Wind7.5 mph N
Humidity66%
Visibility—
Dew point43°
Sat, 2163° / 48°0
63 °
Rio Vista, Saturday, 21 November
Overcast. High 63°, low 48°.
Pressure30.21 inHg
Wind5.1 mph N
Humidity64%
Visibility—
Dew point44°
Sun, 2264° / 48°0
64 °
Rio Vista, Sunday, 22 November
Clear. High 64°, low 48°.
Pressure30.12 inHg
Wind6.3 mph W
Humidity53%
Visibility—
Dew point40°
From day 17 onward the outlook is built from 60-year climate statistics
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)
Thu, 0358° / 44°0.12
58 °
Rio Vista, Thursday, 3 December
Climate normal for this date — 60-year average.
Average high58°
Average low44°
Average precipitation0.12 in
Chance of precipitation28%
Record high68° (1979)
Record low37° (2022)
Fri, 0458° / 44°0.08
58 °
Rio Vista, Friday, 4 December
Climate normal for this date — 60-year average.
Average high58°
Average low44°
Average precipitation0.08 in
Chance of precipitation22%
Record high67° (1979)
Record low34° (1971)
Sat, 0558° / 44°0.08
58 °
Rio Vista, Saturday, 5 December
Climate normal for this date — 60-year average.
Average high58°
Average low44°
Average precipitation0.08 in
Chance of precipitation22%
Record high68° (1979)
Record low32° (1972)
Sun, 0658° / 44°0.07
58 °
Rio Vista, Sunday, 6 December
Climate normal for this date — 60-year average.
Average high58°
Average low44°
Average precipitation0.07 in
Chance of precipitation25%
Record high68° (1979)
Record low32° (2013)
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.