Boulder City Weather in August
Average highs run from 106°F on August 1 to 103°F on August 31, and lows from 83°F to 79°F. Normal precipitation for the month is 0.48 in.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 105°F
- Average low
- 82°F
- Precipitation
- 0.48 in
- Record high
- 119°FAug 3, 2026
- Record low
- 63°FAug 4, 2014
- Chance of a freeze
- 0%
- Days of 90°F or more
- 30.6
- Daylight
- 13 h 57 min to 12 h 57 min
- Cloud cover
- 31%
- Humidity
- 24%
- Dew point
- 43°F
- Wind
- 7.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 106°F | 83°F | 111°F 2008 | 77°F 2023 | |
| Aug 2 | 106°F | 83°F | 115°F 2008 | 71°F 2014 | |
| Aug 3 | 106°F | 83°F | 119°F 2026 | 70°F 2014 | |
| Aug 4 | 106°F | 83°F | 115°F 2026 | 63°F 2014 | |
| Aug 5 | 106°F | 83°F | 118°F 2026 | 68°F 2014 | |
| Aug 6 | 106°F | 83°F | 116°F 2021 | 74°F 2014 | |
| Aug 7 | 106°F | 83°F | 117°F 2024 | 70°F 2004 | |
| Aug 8 | 106°F | 83°F | 114°F 2008 | 71°F 2009 | |
| Aug 9 | 106°F | 83°F | 117°F 2026 | 72°F 2009 | |
| Aug 10 | 106°F | 82°F | 113°F 2025 | 74°F 2009 | |
| Aug 11 | 105°F | 82°F | 113°F 2004 | 72°F 2013 | |
| Aug 12 | 105°F | 82°F | 113°F 2025 | 76°F 2010 | |
| Aug 13 | 105°F | 82°F | 114°F 2025 | 72°F 2014 | |
| Aug 14 | 105°F | 82°F | 115°F 2007 | 71°F 2026 | |
| Aug 15 | 105°F | 82°F | 112°F 2008 | 68°F 2014 | |
| Aug 16 | 105°F | 82°F | 113°F 2016 | 73°F 2009 | |
| Aug 17 | 105°F | 82°F | 114°F 2015 | 75°F 2004 | |
| Aug 18 | 105°F | 82°F | 116°F 2013 | 75°F 2006 | |
| Aug 19 | 105°F | 81°F | 112°F 2015 | 71°F 2023 | |
| Aug 20 | 105°F | 81°F | 112°F 2009 | 68°F 2023 | |
| Aug 21 | 105°F | 81°F | 114°F 2024 | 70°F 2023 | |
| Aug 22 | 105°F | 81°F | 114°F 2025 | 67°F 2014 | |
| Aug 23 | 105°F | 81°F | 113°F 2004 | 65°F 2016 | |
| Aug 24 | 104°F | 81°F | 112°F 2026 | 70°F 2009 | |
| Aug 25 | 104°F | 81°F | 111°F 2007 | 69°F 2017 | |
| Aug 26 | 104°F | 80°F | 113°F 2022 | 75°F 2008 | |
| Aug 27 | 104°F | 80°F | 115°F 2026 | 71°F 2004 | |
| Aug 28 | 104°F | 80°F | 114°F 2026 | 68°F 2013 | |
| Aug 29 | 104°F | 80°F | 113°F 2009 | 72°F 2010 | |
| Aug 30 | 104°F | 79°F | 114°F 2009 | 65°F 2010 | |
| Aug 31 | 103°F | 79°F | 113°F 2019 | 70°F 2010 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 5:47 AM, sunset 7:44 PM
- August 31
- sunrise 6:11 AM, sunset 7:08 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00260125 (Alan Bible Visitor Ctr), public domain. Records: NOAA GHCN-Daily, station USC00260125, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.