Monthly outlook for Rock Springs, AZ: average high 101.2°, average low 82.3°. That is 1.8° above the climate normal for August. Precipitation is expected on 6 days (about 1.9 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 9 August (117°), the coolest 13 August (72°).
101.2°/82.3°
Average high / low
+1.8°
Above normal
6 / 4
Wet days / normal
1.9 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
98.6°
98.2°
+0.2°
19 August – 28 August
105.6°
97.7°
+4.4°
29 August – 7 September
at normal
97.1°
—
August records over 66 years
113.5°7 August 2025All-time high
61°23 August 1968All-time low
Climate normals and records are computed from the nearest reference point — Black Canyon City (2 mi).
Mon, 10108° / 85°0.04
108 °
Rock Springs, Monday, 10 August
Light rain. High 108°, low 85°.
Pressure29.85 inHg
Wind11 mph S
Humidity28%
Visibility6.2 mi
Dew point60°
Tue, 11100° / 78°0.06
100 °
Rock Springs, Tuesday, 11 August
Light rain. High 100°, low 78°.
Pressure29.91 inHg
Wind11.2 mph SW
Humidity32%
Visibility6.2 mi
Dew point59°
Wed, 1293° / 79°0.21
93 °
Rock Springs, Wednesday, 12 August
Light rain. High 93°, low 79°.
Pressure29.88 inHg
Wind10.4 mph SW
Humidity36%
Visibility6.2 mi
Dew point58°
Thu, 1387° / 72°1.19
87 °
Rock Springs, Thursday, 13 August
Heavy rain. High 87°, low 72°.
Pressure29.88 inHg
Wind8.7 mph SW
Humidity59%
Visibility—
Dew point64°
Fri, 1489° / 79°0.13
89 °
Rock Springs, Friday, 14 August
Light rain. High 89°, low 79°.
Pressure29.94 inHg
Wind7.4 mph S
Humidity45%
Visibility—
Dew point62°
Sat, 1594° / 81°0
94 °
Rock Springs, Saturday, 15 August
Overcast. High 94°, low 81°.
Pressure30.00 inHg
Wind7 mph SW
Humidity33%
Visibility—
Dew point56°
Sun, 1696° / 82°0.01
96 °
Rock Springs, Sunday, 16 August
Light rain. High 96°, low 82°.
Pressure30.03 inHg
Wind7.4 mph NE
Humidity34%
Visibility—
Dew point58°
Mon, 17100° / 84°0.02
100 °
Rock Springs, Monday, 17 August
Light rain. High 100°, low 84°.
Pressure29.97 inHg
Wind16.9 mph N
Humidity31%
Visibility—
Dew point57°
Tue, 18101° / 83°0.01
101 °
Rock Springs, Tuesday, 18 August
Light rain. High 101°, low 83°.
Pressure29.94 inHg
Wind12.6 mph N
Humidity31%
Visibility—
Dew point58°
Wed, 19106° / 87°0.01
106 °
Rock Springs, Wednesday, 19 August
Light rain. High 106°, low 87°.
Pressure29.88 inHg
Wind12.8 mph N
Humidity23%
Visibility—
Dew point54°
Thu, 20103° / 85°0
103 °
Rock Springs, Thursday, 20 August
Partly cloudy. High 103°, low 85°.
Pressure29.91 inHg
Wind9.2 mph SW
Humidity30%
Visibility—
Dew point57°
Fri, 21107° / 87°0.01
107 °
Rock Springs, Friday, 21 August
Light rain. High 107°, low 87°.
Pressure29.83 inHg
Wind10.8 mph N
Humidity23%
Visibility—
Dew point54°
Sat, 22104° / 86°0
104 °
Rock Springs, Saturday, 22 August
Overcast. High 104°, low 86°.
Pressure29.88 inHg
Wind13.2 mph S
Humidity24%
Visibility—
Dew point55°
Sun, 23108° / 91°0
108 °
Rock Springs, Sunday, 23 August
Mostly clear. High 108°, low 91°.
Pressure29.91 inHg
Wind13.1 mph SW
Humidity20%
Visibility—
Dew point53°
Mon, 24106° / 74°0.23
106 °
Rock Springs, Monday, 24 August
Light rain. High 106°, low 74°.
Pressure29.91 inHg
Wind30.7 mph N
Humidity22%
Visibility—
Dew point54°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2597° / 76°0.04
97 °
Rock Springs, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high97°
Average low76°
Average precipitation0.04 in
Chance of precipitation27%
Record high107° (2011)
Record low65° (1992)
Wed, 2698° / 76°0.03
98 °
Rock Springs, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high98°
Average low76°
Average precipitation0.03 in
Chance of precipitation23%
Record high108° (2001)
Record low67° (1992)
Thu, 2798° / 75°0.06
98 °
Rock Springs, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high98°
Average low75°
Average precipitation0.06 in
Chance of precipitation27%
Record high110° (2011)
Record low67° (1987)
Fri, 2899° / 75°0.04
99 °
Rock Springs, Friday, 28 August
Climate normal for this date — 60-year average.
Average high99°
Average low75°
Average precipitation0.04 in
Chance of precipitation18%
Record high108° (2023)
Record low66° (1960)
Sat, 2999° / 75°0.04
99 °
Rock Springs, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high99°
Average low75°
Average precipitation0.04 in
Chance of precipitation20%
Record high107° (2011)
Record low67° (1960)
Sun, 3098° / 76°0.03
98 °
Rock Springs, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high98°
Average low76°
Average precipitation0.03 in
Chance of precipitation25%
Record high107° (2022)
Record low67° (1992)
Mon, 3198° / 76°0.03
98 °
Rock Springs, Monday, 31 August
Climate normal for this date — 60-year average.
Average high98°
Average low76°
Average precipitation0.03 in
Chance of precipitation20%
Record high107° (2011)
Record low67° (1962)
Tue, 0197° / 75°0.04
97 °
Rock Springs, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high97°
Average low75°
Average precipitation0.04 in
Chance of precipitation23%
Record high106° (1995)
Record low65° (1961)
Wed, 0297° / 74°0.08
97 °
Rock Springs, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high97°
Average low74°
Average precipitation0.08 in
Chance of precipitation28%
Record high106° (1982)
Record low62° (1992)
Thu, 0398° / 75°0.02
98 °
Rock Springs, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high98°
Average low75°
Average precipitation0.02 in
Chance of precipitation12%
Record high105° (2011)
Record low61° (1961)
Fri, 0497° / 74°0.05
97 °
Rock Springs, Friday, 4 September
Climate normal for this date — 60-year average.
Average high97°
Average low74°
Average precipitation0.05 in
Chance of precipitation18%
Record high108° (2020)
Record low60° (1961)
Sat, 0596° / 74°0.11
96 °
Rock Springs, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high96°
Average low74°
Average precipitation0.11 in
Chance of precipitation23%
Record high109° (2024)
Record low60° (1992)
Sun, 0696° / 74°0.04
96 °
Rock Springs, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high96°
Average low74°
Average precipitation0.04 in
Chance of precipitation22%
Record high109° (2020)
Record low62° (1970)
Mon, 0796° / 74°0.04
96 °
Rock Springs, Monday, 7 September
Climate normal for this date — 60-year average.
Average high96°
Average low74°
Average precipitation0.04 in
Chance of precipitation15%
Record high105° (1979)
Record low61° (1970)
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 Rock Springs, 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 Rock Springs, 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.