Monthly outlook for Upper Aliso, CA: average high 72.3°, average low 56.9°. That is 0.5° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 1 days and 0.5 inches. The warmest day looks like 11 November (80.1°), the coolest 28 October (52.4°).
72.3°/56.9°
Average high / low
+0.5°
Above normal
2 / 1
Wet days / normal
0.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
27 October – 5 November
72.4°
72.3°
+0.1°
6 November – 15 November
72.2°
69.9°
+1.3°
16 November – 25 November
at normal
67.8°
—
October records over 66 years
104.7°24 October 2017All-time high
41.2°30 October 1971All-time low
Climate normals and records are computed from the nearest reference point — Mission Viejo (6 mi).
Wed, 2874° / 52°0
74 °
Upper Aliso, Wednesday, 28 October
Overcast. High 74°, low 52°.
Pressure29.97 inHg
Wind3.6 mph SW
Humidity53%
Visibility6.2 mi
Dew point52°
Thu, 2968° / 53°0.02
68 °
Upper Aliso, Thursday, 29 October
Light rain. High 68°, low 53°.
Pressure29.91 inHg
Wind4.3 mph SW
Humidity63%
Visibility6.2 mi
Dew point55°
Fri, 3066° / 56°0.06
66 °
Upper Aliso, Friday, 30 October
Light rain. High 66°, low 56°.
Pressure29.94 inHg
Wind5.6 mph S
Humidity65%
Visibility6.2 mi
Dew point52°
Sat, 3165° / 56°0.09
65 °
Upper Aliso, Saturday, 31 October
Light rain. High 65°, low 56°.
Pressure29.97 inHg
Wind4.7 mph SW
Humidity64%
Visibility—
Dew point52°
Sun, 0170° / 58°0.02
70 °
Upper Aliso, Sunday, 1 November
Light rain. High 70°, low 58°.
Pressure29.94 inHg
Wind5.5 mph W
Humidity65%
Visibility—
Dew point53°
Mon, 0277° / 58°0
77 °
Upper Aliso, Monday, 2 November
Clear. High 77°, low 58°.
Pressure30.09 inHg
Wind15.6 mph NE
Humidity23%
Visibility—
Dew point30°
Tue, 0377° / 60°0
77 °
Upper Aliso, Tuesday, 3 November
Clear. High 77°, low 60°.
Pressure30.09 inHg
Wind6.1 mph NE
Humidity8%
Visibility—
Dew point7°
Wed, 0477° / 59°0
77 °
Upper Aliso, Wednesday, 4 November
Clear. High 77°, low 59°.
Pressure30.03 inHg
Wind5.3 mph W
Humidity14%
Visibility—
Dew point19°
Thu, 0575° / 59°0
75 °
Upper Aliso, Thursday, 5 November
Overcast. High 75°, low 59°.
Pressure30.03 inHg
Wind6.6 mph W
Humidity24%
Visibility—
Dew point31°
Fri, 0673° / 59°0
73 °
Upper Aliso, Friday, 6 November
Overcast. High 73°, low 59°.
Pressure30.03 inHg
Wind6.8 mph W
Humidity41%
Visibility—
Dew point43°
Sat, 0762° / 56°0.03
62 °
Upper Aliso, Saturday, 7 November
Light rain. High 62°, low 56°.
Pressure29.97 inHg
Wind6.6 mph SE
Humidity70%
Visibility—
Dew point52°
Sun, 0871° / 55°0
71 °
Upper Aliso, Sunday, 8 November
Clear. High 71°, low 55°.
Pressure30.00 inHg
Wind5.7 mph W
Humidity51%
Visibility—
Dew point47°
Mon, 0974° / 57°0
74 °
Upper Aliso, Monday, 9 November
Clear. High 74°, low 57°.
Pressure30.06 inHg
Wind6.4 mph W
Humidity38%
Visibility—
Dew point42°
Tue, 1073° / 58°0
73 °
Upper Aliso, Tuesday, 10 November
Partly cloudy. High 73°, low 58°.
Pressure30.03 inHg
Wind6.2 mph W
Humidity40%
Visibility—
Dew point42°
Wed, 1180° / 60°0
80 °
Upper Aliso, Wednesday, 11 November
Clear. High 80°, low 60°.
Pressure29.97 inHg
Wind4.4 mph NE
Humidity23%
Visibility—
Dew point33°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 1270° / 53°0.05
70 °
Upper Aliso, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high70°
Average low53°
Average precipitation0.05 in
Chance of precipitation17%
Record high94° (2021)
Record low42° (2000)
Fri, 1370° / 53°0.03
70 °
Upper Aliso, Friday, 13 November
Climate normal for this date — 60-year average.
Average high70°
Average low53°
Average precipitation0.03 in
Chance of precipitation12%
Record high86° (2021)
Record low42° (2000)
Sat, 1470° / 53°0.03
70 °
Upper Aliso, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high70°
Average low53°
Average precipitation0.03 in
Chance of precipitation12%
Record high87° (2021)
Record low42° (1985)
Sun, 1569° / 52°0.07
69 °
Upper Aliso, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high69°
Average low52°
Average precipitation0.07 in
Chance of precipitation10%
Record high86° (2008)
Record low44° (1964)
Mon, 1669° / 52°0.04
69 °
Upper Aliso, Monday, 16 November
Climate normal for this date — 60-year average.
Average high69°
Average low52°
Average precipitation0.04 in
Chance of precipitation8%
Record high85° (2020)
Record low42° (1964)
Tue, 1768° / 53°0.03
68 °
Upper Aliso, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high68°
Average low53°
Average precipitation0.03 in
Chance of precipitation12%
Record high93° (2019)
Record low42° (2024)
Wed, 1868° / 52°0.04
68 °
Upper Aliso, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high68°
Average low52°
Average precipitation0.04 in
Chance of precipitation15%
Record high89° (2019)
Record low40° (1964)
Thu, 1969° / 51°0.04
69 °
Upper Aliso, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high69°
Average low51°
Average precipitation0.04 in
Chance of precipitation5%
Record high84° (1989)
Record low39° (1964)
Fri, 2068° / 51°0.07
68 °
Upper Aliso, Friday, 20 November
Climate normal for this date — 60-year average.
Average high68°
Average low51°
Average precipitation0.07 in
Chance of precipitation15%
Record high83° (2006)
Record low39° (1964)
Sat, 2167° / 51°0.06
67 °
Upper Aliso, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high67°
Average low51°
Average precipitation0.06 in
Chance of precipitation15%
Record high88° (2021)
Record low40° (1994)
Sun, 2267° / 51°0.04
67 °
Upper Aliso, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high67°
Average low51°
Average precipitation0.04 in
Chance of precipitation13%
Record high91° (2017)
Record low42° (1979)
Mon, 2367° / 50°0.01
67 °
Upper Aliso, Monday, 23 November
Climate normal for this date — 60-year average.
Average high67°
Average low50°
Average precipitation0.01 in
Chance of precipitation7%
Record high87° (2017)
Record low42° (1984)
Tue, 2468° / 50°0.02
68 °
Upper Aliso, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high68°
Average low50°
Average precipitation0.02 in
Chance of precipitation10%
Record high83° (1975)
Record low44° (1972)
Wed, 2568° / 50°0.05
68 °
Upper Aliso, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high68°
Average low50°
Average precipitation0.05 in
Chance of precipitation8%
Record high86° (1977)
Record low38° (1973)
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 Upper Aliso, 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 Upper Aliso, 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.