Monthly outlook for August, CA: average high 84.2°, average low 58.9°. That is 3.8° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 1 days and 0.5 inches. The warmest day looks like 8 October (97.1°), the coolest 15 October (53.2°).
84.2°/58.9°
Average high / low
+3.8°
Above normal
0 / 1
Wet days / normal
0.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
7 October – 16 October
82.8°
78.5°
+2.4°
17 October – 26 October
86.5°
74.8°
+6.5°
27 October – 5 November
at normal
69.9°
—
October records over 66 years
104.5°2 October 2024All-time high
34.7°31 October 2019All-time low
Thu, 0897° / 61°0
97 °
August, Thursday, 8 October
Clear. High 97°, low 61°.
Pressure29.83 inHg
Wind3.1 mph NW
Humidity22%
Visibility6.2 mi
Dew point46°
Fri, 0995° / 61°0
95 °
August, Friday, 9 October
Clear. High 95°, low 61°.
Pressure29.68 inHg
Wind6.3 mph W
Humidity27%
Visibility6.2 mi
Dew point50°
Sat, 1077° / 59°0
77 °
August, Saturday, 10 October
Clear. High 77°, low 59°.
Pressure29.62 inHg
Wind8.3 mph SW
Humidity45%
Visibility6.2 mi
Dew point50°
Sun, 1171° / 54°0
71 °
August, Sunday, 11 October
Clear. High 71°, low 54°.
Pressure29.53 inHg
Wind3.1 mph W
Humidity50%
Visibility6.2 mi
Dew point46°
Mon, 1277° / 58°0
77 °
August, Monday, 12 October
Clear. High 77°, low 58°.
Pressure29.83 inHg
Wind7.7 mph SE
Humidity38%
Visibility—
Dew point41°
Tue, 1378° / 56°0
78 °
August, Tuesday, 13 October
Clear. High 78°, low 56°.
Pressure29.88 inHg
Wind10.1 mph W
Humidity36%
Visibility—
Dew point40°
Wed, 1478° / 55°0
78 °
August, Wednesday, 14 October
Clear. High 78°, low 55°.
Pressure29.88 inHg
Wind5.3 mph NW
Humidity42%
Visibility—
Dew point42°
Thu, 1578° / 53°0
78 °
August, Thursday, 15 October
Clear. High 78°, low 53°.
Pressure30.06 inHg
Wind8.5 mph NW
Humidity19%
Visibility—
Dew point22°
Fri, 1681° / 56°0
81 °
August, Friday, 16 October
Clear. High 81°, low 56°.
Pressure30.18 inHg
Wind4.6 mph N
Humidity17%
Visibility—
Dew point22°
Sat, 1784° / 58°0
84 °
August, Saturday, 17 October
Clear. High 84°, low 58°.
Pressure30.09 inHg
Wind6.1 mph NW
Humidity18%
Visibility—
Dew point25°
Sun, 1883° / 59°0
83 °
August, Sunday, 18 October
Overcast. High 83°, low 59°.
Pressure29.94 inHg
Wind3.7 mph N
Humidity19%
Visibility—
Dew point27°
Mon, 1987° / 63°0
87 °
August, Monday, 19 October
Overcast. High 87°, low 63°.
Pressure29.97 inHg
Wind6.8 mph NW
Humidity16%
Visibility—
Dew point26°
Tue, 2088° / 60°0
88 °
August, Tuesday, 20 October
Clear. High 88°, low 60°.
Pressure29.97 inHg
Wind5.7 mph NW
Humidity17%
Visibility—
Dew point26°
Wed, 2189° / 62°0
89 °
August, Wednesday, 21 October
Overcast. High 89°, low 62°.
Pressure30.00 inHg
Wind5.3 mph NW
Humidity17%
Visibility—
Dew point27°
Thu, 2288° / 63°0
88 °
August, Thursday, 22 October
Overcast. High 88°, low 63°.
Pressure29.88 inHg
Wind14.5 mph NW
Humidity18%
Visibility—
Dew point29°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 2374° / 53°0.05
74 °
August, Friday, 23 October
Climate normal for this date — 60-year average.
Average high74°
Average low53°
Average precipitation0.05 in
Chance of precipitation15%
Record high86° (2003)
Record low46° (1961)
Sat, 2474° / 52°0.1
74 °
August, Saturday, 24 October
Climate normal for this date — 60-year average.
Average high74°
Average low52°
Average precipitation0.1 in
Chance of precipitation13%
Record high87° (2019)
Record low44° (1970)
Sun, 2573° / 52°0.08
73 °
August, Sunday, 25 October
Climate normal for this date — 60-year average.
Average high73°
Average low52°
Average precipitation0.08 in
Chance of precipitation17%
Record high86° (2017)
Record low44° (1971)
Mon, 2673° / 51°0.07
73 °
August, Monday, 26 October
Climate normal for this date — 60-year average.
Average high73°
Average low51°
Average precipitation0.07 in
Chance of precipitation12%
Record high86° (2017)
Record low43° (1989)
Tue, 2772° / 51°0.02
72 °
August, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high72°
Average low51°
Average precipitation0.02 in
Chance of precipitation10%
Record high86° (2017)
Record low40° (2023)
Wed, 2871° / 51°0.07
71 °
August, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high71°
Average low51°
Average precipitation0.07 in
Chance of precipitation15%
Record high85° (2003)
Record low40° (2023)
Thu, 2970° / 50°0.06
70 °
August, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high70°
Average low50°
Average precipitation0.06 in
Chance of precipitation17%
Record high81° (2003)
Record low38° (2019)
Fri, 3070° / 49°0.08
70 °
August, Friday, 30 October
Climate normal for this date — 60-year average.
Average high70°
Average low49°
Average precipitation0.08 in
Chance of precipitation17%
Record high83° (2015)
Record low37° (1971)
Sat, 3170° / 49°0.03
70 °
August, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high70°
Average low49°
Average precipitation0.03 in
Chance of precipitation13%
Record high83° (2015)
Record low35° (2019)
Sun, 0170° / 49°0.04
70 °
August, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high70°
Average low49°
Average precipitation0.04 in
Chance of precipitation13%
Record high82° (2020)
Record low40° (2019)
Mon, 0270° / 49°0.05
70 °
August, Monday, 2 November
Climate normal for this date — 60-year average.
Average high70°
Average low49°
Average precipitation0.05 in
Chance of precipitation12%
Record high82° (2020)
Record low37° (2019)
Tue, 0370° / 49°0.04
70 °
August, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high70°
Average low49°
Average precipitation0.04 in
Chance of precipitation17%
Record high85° (2018)
Record low40° (2019)
Wed, 0469° / 49°0.03
69 °
August, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high69°
Average low49°
Average precipitation0.03 in
Chance of precipitation12%
Record high80° (2010)
Record low39° (2019)
Thu, 0569° / 48°0.07
69 °
August, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high69°
Average low48°
Average precipitation0.07 in
Chance of precipitation13%
Record high81° (2020)
Record low40° (2011)
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 August, 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 August, 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.