Monthly outlook for Sombrero Butte, AZ: average high 93.9°, average low 73.7°. That is 1° above the climate normal for August. Precipitation is expected on 6 days (about 1.5 inches), against a normal of 7 days and 1.8 inches. The warmest day looks like 9 August (102°), the coolest 13 August (67.6°).
93.9°/73.7°
Average high / low
+1°
Above normal
6 / 7
Wet days / normal
1.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
90.8°
92.2°
-0.8°
19 August – 28 August
99.2°
91.9°
+4°
29 August – 7 September
at normal
91.4°
—
August records over 66 years
107.6°7 August 2025All-time high
59.2°17 August 1979All-time low
Climate normals and records are computed from the nearest reference point — San Manuel (12 mi).
Mon, 10100° / 71°0.39
100 °
Sombrero Butte, Monday, 10 August
Heavy rain. High 100°, low 71°.
Pressure29.91 inHg
Wind4.5 mph W
Humidity28%
Visibility6.2 mi
Dew point53°
Tue, 1190° / 70°0.14
90 °
Sombrero Butte, Tuesday, 11 August
Rain. High 90°, low 70°.
Pressure29.94 inHg
Wind12.8 mph W
Humidity39%
Visibility6.2 mi
Dew point60°
Wed, 1283° / 70°0.25
83 °
Sombrero Butte, Wednesday, 12 August
Rain. High 83°, low 70°.
Pressure29.91 inHg
Wind6.2 mph W
Humidity53%
Visibility6.2 mi
Dew point61°
Thu, 1374° / 68°0.34
74 °
Sombrero Butte, Thursday, 13 August
Rain. High 74°, low 68°.
Pressure29.94 inHg
Wind5.4 mph SE
Humidity80%
Visibility—
Dew point62°
Fri, 1488° / 69°0.01
88 °
Sombrero Butte, Friday, 14 August
Light rain. High 88°, low 69°.
Pressure29.94 inHg
Wind9.6 mph W
Humidity42%
Visibility—
Dew point55°
Sat, 1589° / 77°0.02
89 °
Sombrero Butte, Saturday, 15 August
Light rain. High 89°, low 77°.
Pressure30.03 inHg
Wind6.8 mph W
Humidity43%
Visibility—
Dew point55°
Sun, 1693° / 71°0.18
93 °
Sombrero Butte, Sunday, 16 August
Rain. High 93°, low 71°.
Pressure30.03 inHg
Wind7 mph SW
Humidity34%
Visibility—
Dew point54°
Mon, 1793° / 74°0
93 °
Sombrero Butte, Monday, 17 August
Partly cloudy. High 93°, low 74°.
Pressure29.97 inHg
Wind8.9 mph N
Humidity30%
Visibility—
Dew point52°
Tue, 1896° / 75°0
96 °
Sombrero Butte, Tuesday, 18 August
Clear. High 96°, low 75°.
Pressure29.94 inHg
Wind11.9 mph W
Humidity29%
Visibility—
Dew point52°
Wed, 1998° / 73°0.07
98 °
Sombrero Butte, Wednesday, 19 August
Light rain. High 98°, low 73°.
Pressure29.91 inHg
Wind31.6 mph N
Humidity25%
Visibility—
Dew point50°
Thu, 2097° / 72°0
97 °
Sombrero Butte, Thursday, 20 August
Clear. High 97°, low 72°.
Pressure29.91 inHg
Wind8.4 mph W
Humidity32%
Visibility—
Dew point53°
Fri, 2199° / 79°0.01
99 °
Sombrero Butte, Friday, 21 August
Light rain. High 99°, low 79°.
Pressure29.85 inHg
Wind18.4 mph N
Humidity24%
Visibility—
Dew point50°
Sat, 2299° / 77°0
99 °
Sombrero Butte, Saturday, 22 August
Partly cloudy. High 99°, low 77°.
Pressure29.91 inHg
Wind9.7 mph NE
Humidity25%
Visibility—
Dew point49°
Sun, 23102° / 80°0.02
102 °
Sombrero Butte, Sunday, 23 August
Light rain. High 102°, low 80°.
Pressure29.94 inHg
Wind10.2 mph NE
Humidity18%
Visibility—
Dew point45°
Mon, 24100° / 79°0.02
100 °
Sombrero Butte, Monday, 24 August
Light rain. High 100°, low 79°.
Pressure29.91 inHg
Wind12.7 mph N
Humidity19%
Visibility—
Dew point45°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2591° / 71°0.08
91 °
Sombrero Butte, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high91°
Average low71°
Average precipitation0.08 in
Chance of precipitation38%
Record high102° (2020)
Record low61° (1992)
Wed, 2692° / 71°0.1
92 °
Sombrero Butte, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high92°
Average low71°
Average precipitation0.1 in
Chance of precipitation42%
Record high102° (2020)
Record low60° (1966)
Thu, 2792° / 71°0.09
92 °
Sombrero Butte, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high92°
Average low71°
Average precipitation0.09 in
Chance of precipitation42%
Record high103° (2011)
Record low62° (1987)
Fri, 2893° / 72°0.08
93 °
Sombrero Butte, Friday, 28 August
Climate normal for this date — 60-year average.
Average high93°
Average low72°
Average precipitation0.08 in
Chance of precipitation37%
Record high103° (2023)
Record low62° (1987)
Sat, 2992° / 71°0.09
92 °
Sombrero Butte, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high92°
Average low71°
Average precipitation0.09 in
Chance of precipitation37%
Record high103° (2023)
Record low62° (1987)
Sun, 3092° / 71°0.06
92 °
Sombrero Butte, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high92°
Average low71°
Average precipitation0.06 in
Chance of precipitation37%
Record high103° (2011)
Record low61° (1992)
Mon, 3192° / 71°0.07
92 °
Sombrero Butte, Monday, 31 August
Climate normal for this date — 60-year average.
Average high92°
Average low71°
Average precipitation0.07 in
Chance of precipitation35%
Record high102° (2011)
Record low60° (2000)
Tue, 0191° / 71°0.07
91 °
Sombrero Butte, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high91°
Average low71°
Average precipitation0.07 in
Chance of precipitation38%
Record high100° (2011)
Record low62° (1993)
Wed, 0291° / 71°0.07
91 °
Sombrero Butte, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high91°
Average low71°
Average precipitation0.07 in
Chance of precipitation33%
Record high99° (1970)
Record low63° (1987)
Thu, 0391° / 70°0.08
91 °
Sombrero Butte, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high91°
Average low70°
Average precipitation0.08 in
Chance of precipitation40%
Record high99° (1983)
Record low63° (1967)
Fri, 0491° / 70°0.1
91 °
Sombrero Butte, Friday, 4 September
Climate normal for this date — 60-year average.
Average high91°
Average low70°
Average precipitation0.1 in
Chance of precipitation35%
Record high103° (2020)
Record low49° (1961)
Sat, 0591° / 69°0.09
91 °
Sombrero Butte, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high91°
Average low69°
Average precipitation0.09 in
Chance of precipitation37%
Record high102° (2020)
Record low58° (1984)
Sun, 0691° / 70°0.08
91 °
Sombrero Butte, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high91°
Average low70°
Average precipitation0.08 in
Chance of precipitation37%
Record high103° (2023)
Record low58° (1988)
Mon, 0791° / 69°0.09
91 °
Sombrero Butte, Monday, 7 September
Climate normal for this date — 60-year average.
Average high91°
Average low69°
Average precipitation0.09 in
Chance of precipitation37%
Record high101° (2023)
Record low61° (1966)
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 Sombrero Butte, AZ 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 Sombrero Butte, AZ 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.