Monthly outlook for San Quentin, CA: average high 62.4°, average low 53°. That is 1° above the climate normal for November. Precipitation is expected on 6 days (about 2.8 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 11 November (75.5°), the coolest 14 November (46.3°).
62.4°/53°
Average high / low
+1°
Above normal
6 / 4
Wet days / normal
2.8 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
11 November – 20 November
63.2°
61.4°
+1°
21 November – 30 November
61.1°
58.9°
+1.2°
1 December – 10 December
at normal
57.5°
—
November records over 66 years
80.6°1 November 1966All-time high
34.2°30 November 2004All-time low
Climate normals and records are computed from the nearest reference point — Marin City (5 mi).
Thu, 1274° / 51°0
74 °
San Quentin, Thursday, 12 November
Overcast. High 74°, low 51°.
Pressure29.85 inHg
Wind2 mph SE
Humidity62%
Visibility6.2 mi
Dew point54°
Fri, 1363° / 50°0.93
63 °
San Quentin, Friday, 13 November
Heavy rain. High 63°, low 50°.
Pressure29.62 inHg
Wind16.6 mph S
Humidity89%
Visibility1.0 mi
Dew point54°
Sat, 1460° / 46°0
60 °
San Quentin, Saturday, 14 November
Light rain. High 60°, low 46°.
Pressure29.94 inHg
Wind1.9 mph NE
Humidity76%
Visibility6.0 mi
Dew point50°
Sun, 1561° / 50°0.87
61 °
San Quentin, Sunday, 15 November
Rain. High 61°, low 50°.
Pressure30.00 inHg
Wind9.6 mph S
Humidity75%
Visibility—
Dew point49°
Mon, 1658° / 50°0.14
58 °
San Quentin, Monday, 16 November
Light rain. High 58°, low 50°.
Pressure30.06 inHg
Wind14.7 mph W
Humidity78%
Visibility—
Dew point48°
Tue, 1760° / 51°0.01
60 °
San Quentin, Tuesday, 17 November
Light rain. High 60°, low 51°.
Pressure30.15 inHg
Wind10 mph W
Humidity71%
Visibility—
Dew point45°
Wed, 1859° / 54°0.22
59 °
San Quentin, Wednesday, 18 November
Light rain. High 59°, low 54°.
Pressure30.12 inHg
Wind16.8 mph W
Humidity64%
Visibility—
Dew point47°
Thu, 1961° / 52°0.5
61 °
San Quentin, Thursday, 19 November
Rain. High 61°, low 52°.
Pressure30.24 inHg
Wind14.8 mph W
Humidity78%
Visibility—
Dew point49°
Fri, 2060° / 52°0
60 °
San Quentin, Friday, 20 November
Light rain. High 60°, low 52°.
Pressure30.33 inHg
Wind10.2 mph NE
Humidity76%
Visibility—
Dew point46°
Sat, 2162° / 55°0
62 °
San Quentin, Saturday, 21 November
Partly cloudy. High 62°, low 55°.
Pressure30.24 inHg
Wind9.5 mph NE
Humidity76%
Visibility—
Dew point49°
Sun, 2262° / 56°0
62 °
San Quentin, Sunday, 22 November
Mostly clear. High 62°, low 56°.
Pressure30.15 inHg
Wind7.2 mph NE
Humidity71%
Visibility—
Dew point47°
Mon, 2362° / 56°0
62 °
San Quentin, Monday, 23 November
Overcast. High 62°, low 56°.
Pressure30.15 inHg
Wind8.8 mph NE
Humidity69%
Visibility—
Dew point47°
Tue, 2462° / 59°0.1
62 °
San Quentin, Tuesday, 24 November
Light rain. High 62°, low 59°.
Pressure30.12 inHg
Wind12.8 mph S
Humidity75%
Visibility—
Dew point54°
Wed, 2560° / 56°0
60 °
San Quentin, Wednesday, 25 November
Overcast. High 60°, low 56°.
Pressure30.18 inHg
Wind7.4 mph W
Humidity82%
Visibility—
Dew point52°
Thu, 2658° / 56°0
58 °
San Quentin, Thursday, 26 November
Overcast. High 58°, low 56°.
Pressure30.21 inHg
Wind6.3 mph N
Humidity77%
Visibility—
Dew point51°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 2758° / 45°0.08
58 °
San Quentin, Friday, 27 November
Climate normal for this date — 60-year average.
Average high58°
Average low45°
Average precipitation0.08 in
Chance of precipitation23%
Record high67° (1969)
Record low37° (1987)
Sat, 2858° / 45°0.13
58 °
San Quentin, Saturday, 28 November
Climate normal for this date — 60-year average.
Average high58°
Average low45°
Average precipitation0.13 in
Chance of precipitation25%
Record high67° (1995)
Record low39° (1990)
Sun, 2958° / 45°0.15
58 °
San Quentin, Sunday, 29 November
Climate normal for this date — 60-year average.
Average high58°
Average low45°
Average precipitation0.15 in
Chance of precipitation28%
Record high68° (1977)
Record low37° (2019)
Mon, 3058° / 45°0.16
58 °
San Quentin, Monday, 30 November
Climate normal for this date — 60-year average.
Average high58°
Average low45°
Average precipitation0.16 in
Chance of precipitation25%
Record high68° (1977)
Record low34° (2004)
Tue, 0158° / 45°0.16
58 °
San Quentin, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high58°
Average low45°
Average precipitation0.16 in
Chance of precipitation28%
Record high65° (2011)
Record low36° (2010)
Wed, 0258° / 46°0.22
58 °
San Quentin, Wednesday, 2 December
Climate normal for this date — 60-year average.
Average high58°
Average low46°
Average precipitation0.22 in
Chance of precipitation27%
Record high68° (2011)
Record low36° (2022)
Thu, 0358° / 46°0.18
58 °
San Quentin, Thursday, 3 December
Climate normal for this date — 60-year average.
Average high58°
Average low46°
Average precipitation0.18 in
Chance of precipitation32%
Record high67° (1979)
Record low38° (1990)
Fri, 0458° / 45°0.1
58 °
San Quentin, Friday, 4 December
Climate normal for this date — 60-year average.
Average high58°
Average low45°
Average precipitation0.1 in
Chance of precipitation32%
Record high66° (1979)
Record low36° (1990)
Sat, 0558° / 46°0.1
58 °
San Quentin, Saturday, 5 December
Climate normal for this date — 60-year average.
Average high58°
Average low46°
Average precipitation0.1 in
Chance of precipitation28%
Record high66° (1976)
Record low32° (1972)
Sun, 0658° / 46°0.09
58 °
San Quentin, Sunday, 6 December
Climate normal for this date — 60-year average.
Average high58°
Average low46°
Average precipitation0.09 in
Chance of precipitation32%
Record high66° (1962)
Record low33° (2013)
Mon, 0757° / 45°0.1
57 °
San Quentin, Monday, 7 December
Climate normal for this date — 60-year average.
Average high57°
Average low45°
Average precipitation0.1 in
Chance of precipitation33%
Record high69° (2020)
Record low37° (2009)
Tue, 0857° / 45°0.09
57 °
San Quentin, Tuesday, 8 December
Climate normal for this date — 60-year average.
Average high57°
Average low45°
Average precipitation0.09 in
Chance of precipitation27%
Record high66° (1975)
Record low31° (2013)
Wed, 0957° / 44°0.11
57 °
San Quentin, Wednesday, 9 December
Climate normal for this date — 60-year average.
Average high57°
Average low44°
Average precipitation0.11 in
Chance of precipitation28%
Record high65° (1990)
Record low28° (1972)
Thu, 1056° / 44°0.12
56 °
San Quentin, Thursday, 10 December
Climate normal for this date — 60-year average.
Average high56°
Average low44°
Average precipitation0.12 in
Chance of precipitation28%
Record high64° (2012)
Record low30° (1972)
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 San Quentin, 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 San Quentin, 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.