Martinez Weather in August
Average highs run from 93°F on August 1 to 90°F on August 31, and lows from 75°F to 72°F. Normal precipitation for the month is 5.02 in over about 11 wet days.
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
- 92°F
- Average low
- 73°F
- Precipitation
- 5.02 in
- Record high
- 106°FAug 1, 1999
- Record low
- 58°FAug 31, 1999
- Chance of a freeze
- 0%
- Days of 90°F or more
- 20.2
- Daylight
- 13 h 47 min to 12 h 53 min
- Cloud cover
- 57%
- Humidity
- 70%
- Dew point
- 69°F
- Wind
- 5.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Aug 1 | 93°F | 75°F | 106°F 1999 | 67°F 2017 | 36% | 0% |
| Aug 2 | 93°F | 74°F | 101°F 2011 | 66°F 1997 | 36% | 0% |
| Aug 3 | 93°F | 74°F | 103°F 2011 | 64°F 1998 | 36% | 0% |
| Aug 4 | 93°F | 74°F | 103°F 2006 | 65°F 2025 | 36% | 0% |
| Aug 5 | 93°F | 74°F | 100°F 2008 | 66°F 1998 | 36% | 0% |
| Aug 6 | 93°F | 74°F | 103°F 2008 | 64°F 2025 | 36% | 0% |
| Aug 7 | 93°F | 74°F | 102°F 2007 | 63°F 2004 | 36% | 0% |
| Aug 8 | 93°F | 74°F | 103°F 2007 | 61°F 2004 | 35% | 0% |
| Aug 9 | 93°F | 74°F | 105°F 2007 | 65°F 2002 | 35% | 0% |
| Aug 10 | 93°F | 74°F | 106°F 2007 | 65°F 2002 | 35% | 0% |
| Aug 11 | 93°F | 74°F | 103°F 2007 | 67°F 1997 | 35% | 0% |
| Aug 12 | 92°F | 74°F | 98°F 2010 | 69°F 2000 | 35% | 0% |
| Aug 13 | 92°F | 74°F | 102°F 1999 | 67°F 2006 | 35% | 0% |
| Aug 14 | 92°F | 74°F | 103°F 1999 | 66°F 2008 | 35% | 0% |
| Aug 15 | 92°F | 74°F | 103°F 2007 | 62°F 2013 | 35% | 0% |
| Aug 16 | 92°F | 73°F | 101°F 2007 | 64°F 2013 | 35% | 0% |
| Aug 17 | 92°F | 73°F | 102°F 2007 | 64°F 2013 | 35% | 0% |
| Aug 18 | 92°F | 73°F | 101°F 2000 | 68°F 2013 | 35% | 0% |
| Aug 19 | 92°F | 73°F | 97°F 1999 | 69°F 2004 | 34% | 0% |
| Aug 20 | 92°F | 73°F | 99°F 2026 | 69°F 1999 | 34% | 0% |
| Aug 21 | 92°F | 73°F | 102°F 2007 | 63°F 1998 | 34% | 0% |
| Aug 22 | 91°F | 73°F | 104°F 2007 | 64°F 1998 | 33% | 0% |
| Aug 23 | 91°F | 73°F | 100°F 2014 | 65°F 2024 | 33% | 0% |
| Aug 24 | 91°F | 73°F | 99°F 2002 | 61°F 1997 | 33% | 0% |
| Aug 25 | 91°F | 73°F | 99°F 2023 | 63°F 1997 | 32% | 0% |
| Aug 26 | 91°F | 72°F | 101°F 2023 | 61°F 2013 | 32% | 0% |
| Aug 27 | 91°F | 72°F | 99°F 1998 | 64°F 2013 | 32% | 0% |
| Aug 28 | 91°F | 72°F | 99°F 1998 | 68°F 2009 | 31% | 0% |
| Aug 29 | 91°F | 72°F | 99°F 1998 | 66°F 2009 | 31% | 0% |
| Aug 30 | 90°F | 72°F | 99°F 1998 | 66°F 2019 | 31% | 0% |
| Aug 31 | 90°F | 72°F | 99°F 1998 | 58°F 1999 | 31% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 6:41 AM, sunset 8:28 PM
- August 31
- sunrise 7:02 AM, sunset 7:55 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013837 (Augusta Daniel Fld AP), public domain. Records: NOAA GHCN-Daily, station USW00013837, 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.