Monthly outlook for Colma, CA: average high 66.3°, average low 55.7°. That is 0° above the climate normal for October. Precipitation is expected on 1 day (about 0.2 inches), against a normal of 2 days and 0.6 inches. The warmest day looks like 9 October (76.1°), the coolest 14 October (51°).
66.3°/55.7°
Average high / low
+0°
Above normal
1 / 2
Wet days / normal
0.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 October – 18 October
68.5°
66.8°
+0.9°
19 October – 28 October
62.5°
64.9°
-1.3°
29 October – 7 November
at normal
63.1°
—
October records over 66 years
95°1 October 2024All-time high
42.6°29 October 1971All-time low
Climate normals and records are computed from the nearest reference point — Daly City (1 mi).
Sat, 1070° / 53°0
70 °
Colma, Saturday, 10 October
Overcast. High 70°, low 53°.
Pressure29.71 inHg
Wind16.6 mph W
Humidity75%
Visibility6.2 mi
Dew point51°
Sun, 1160° / 52°0
60 °
Colma, Sunday, 11 October
Clear. High 60°, low 52°.
Pressure29.53 inHg
Wind9.9 mph W
Humidity71%
Visibility6.2 mi
Dew point51°
Mon, 1263° / 54°0
63 °
Colma, Monday, 12 October
Clear. High 63°, low 54°.
Pressure29.88 inHg
Wind4 mph SW
Humidity67%
Visibility6.2 mi
Dew point52°
Tue, 1361° / 54°0
61 °
Colma, Tuesday, 13 October
Partly cloudy. High 61°, low 54°.
Pressure30.09 inHg
Wind9.1 mph W
Humidity80%
Visibility—
Dew point53°
Wed, 1465° / 51°0
65 °
Colma, Wednesday, 14 October
Partly cloudy. High 65°, low 51°.
Pressure30.15 inHg
Wind8.8 mph W
Humidity79%
Visibility—
Dew point51°
Thu, 1571° / 57°0
71 °
Colma, Thursday, 15 October
Clear. High 71°, low 57°.
Pressure30.12 inHg
Wind9.7 mph W
Humidity50%
Visibility—
Dew point46°
Fri, 1674° / 59°0
74 °
Colma, Friday, 16 October
Clear. High 74°, low 59°.
Pressure30.15 inHg
Wind9.5 mph NW
Humidity44%
Visibility—
Dew point46°
Sat, 1774° / 61°0
74 °
Colma, Saturday, 17 October
Clear. High 74°, low 61°.
Pressure30.06 inHg
Wind9.2 mph W
Humidity42%
Visibility—
Dew point46°
Sun, 1870° / 58°0
70 °
Colma, Sunday, 18 October
Clear. High 70°, low 58°.
Pressure29.97 inHg
Wind8.9 mph W
Humidity47%
Visibility—
Dew point47°
Mon, 1961° / 57°0
61 °
Colma, Monday, 19 October
Clear. High 61°, low 57°.
Pressure29.97 inHg
Wind12.7 mph W
Humidity71%
Visibility—
Dew point51°
Tue, 2062° / 55°0
62 °
Colma, Tuesday, 20 October
Clear. High 62°, low 55°.
Pressure29.97 inHg
Wind15 mph NW
Humidity63%
Visibility—
Dew point46°
Wed, 2168° / 57°0
68 °
Colma, Wednesday, 21 October
Clear. High 68°, low 57°.
Pressure29.97 inHg
Wind9.9 mph W
Humidity31%
Visibility—
Dew point31°
Thu, 2261° / 56°0
61 °
Colma, Thursday, 22 October
Mostly clear. High 61°, low 56°.
Pressure29.91 inHg
Wind14.1 mph SW
Humidity48%
Visibility—
Dew point41°
Fri, 2361° / 57°0.02
61 °
Colma, Friday, 23 October
Light rain. High 61°, low 57°.
Pressure29.97 inHg
Wind14.4 mph SW
Humidity68%
Visibility—
Dew point50°
Sat, 2461° / 55°0.21
61 °
Colma, Saturday, 24 October
Rain. High 61°, low 55°.
Pressure29.91 inHg
Wind9.7 mph E
Humidity84%
Visibility—
Dew point51°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 2565° / 53°0.06
65 °
Colma, Sunday, 25 October
Climate normal for this date — 60-year average.
Average high65°
Average low53°
Average precipitation0.06 in
Chance of precipitation17%
Record high84° (2003)
Record low47° (2006)
Mon, 2665° / 52°0.05
65 °
Colma, Monday, 26 October
Climate normal for this date — 60-year average.
Average high65°
Average low52°
Average precipitation0.05 in
Chance of precipitation10%
Record high84° (2003)
Record low47° (1971)
Tue, 2764° / 52°0.02
64 °
Colma, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high64°
Average low52°
Average precipitation0.02 in
Chance of precipitation5%
Record high81° (2003)
Record low45° (2004)
Wed, 2863° / 52°0.07
63 °
Colma, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high63°
Average low52°
Average precipitation0.07 in
Chance of precipitation17%
Record high78° (2003)
Record low45° (1971)
Thu, 2963° / 51°0.05
63 °
Colma, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high63°
Average low51°
Average precipitation0.05 in
Chance of precipitation18%
Record high75° (1993)
Record low43° (1971)
Fri, 3063° / 51°0.05
63 °
Colma, Friday, 30 October
Climate normal for this date — 60-year average.
Average high63°
Average low51°
Average precipitation0.05 in
Chance of precipitation17%
Record high79° (1966)
Record low43° (1971)
Sat, 3164° / 51°0.02
64 °
Colma, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high64°
Average low51°
Average precipitation0.02 in
Chance of precipitation13%
Record high79° (1966)
Record low45° (1980)
Sun, 0164° / 51°0.04
64 °
Colma, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high64°
Average low51°
Average precipitation0.04 in
Chance of precipitation10%
Record high79° (1966)
Record low43° (2003)
Mon, 0264° / 51°0.02
64 °
Colma, Monday, 2 November
Climate normal for this date — 60-year average.
Average high64°
Average low51°
Average precipitation0.02 in
Chance of precipitation12%
Record high79° (1997)
Record low44° (2003)
Tue, 0364° / 51°0.03
64 °
Colma, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high64°
Average low51°
Average precipitation0.03 in
Chance of precipitation13%
Record high79° (1976)
Record low44° (1971)
Wed, 0463° / 51°0.02
63 °
Colma, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high63°
Average low51°
Average precipitation0.02 in
Chance of precipitation13%
Record high80° (1976)
Record low44° (2011)
Thu, 0562° / 51°0.06
62 °
Colma, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high62°
Average low51°
Average precipitation0.06 in
Chance of precipitation17%
Record high75° (2012)
Record low45° (1961)
Fri, 0662° / 52°0.05
62 °
Colma, Friday, 6 November
Climate normal for this date — 60-year average.
Average high62°
Average low52°
Average precipitation0.05 in
Chance of precipitation22%
Record high75° (1978)
Record low43° (1996)
Sat, 0762° / 51°0.06
62 °
Colma, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high62°
Average low51°
Average precipitation0.06 in
Chance of precipitation27%
Record high77° (1991)
Record low43° (1971)
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 Colma, 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 Colma, 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.