O'Brien Weather in August
Average highs run from 96°F on August 1 to 91°F on August 31, and lows from 52°F to 47°F. Normal precipitation for the month is 0.28 in over about 1 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
- 94°F
- Average low
- 49°F
- Precipitation
- 0.28 in
- Record high
- 97°FAug 10, 2002
- Record low
- 40°FAug 5, 2009
- Chance of a freeze
- 0%
- Days of 90°F or more
- 21.9
- Daylight
- 14 h 25 min to 13 h 10 min
- Cloud cover
- 26%
- Humidity
- 53%
- Dew point
- 46°F
- Wind
- 4.3 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 | 96°F | 52°F | 74°F 2007 | 49°F 2002 | 4% | 0% |
| Aug 2 | 96°F | 52°F | 71°F 2003 | 41°F 2003 | 4% | 0% |
| Aug 3 | 96°F | 52°F | 76°F 2006 | 46°F 2019 | 4% | 0% |
| Aug 4 | 96°F | 52°F | 75°F 2016 | 45°F 2019 | 4% | 0% |
| Aug 5 | 96°F | 51°F | 73°F 2007 | 40°F 2009 | 4% | 0% |
| Aug 6 | 96°F | 51°F | 70°F 2003 | 47°F 2002 | 4% | 0% |
| Aug 7 | 96°F | 51°F | 81°F 2015 | 45°F 2019 | 4% | 0% |
| Aug 8 | 95°F | 51°F | 83°F 2002 | 52°F 2010 | 4% | 0% |
| Aug 9 | 95°F | 51°F | 88°F 2002 | 50°F 2006 | 4% | 0% |
| Aug 10 | 95°F | 51°F | 97°F 2002 | 48°F 2007 | 4% | 0% |
| Aug 11 | 95°F | 50°F | 77°F 2009 | 48°F 2006 | 4% | 0% |
| Aug 12 | 95°F | 50°F | 82°F 2005 | 46°F 2007 | 4% | 0% |
| Aug 13 | 95°F | 50°F | 80°F 2006 | 48°F 2007 | 4% | 0% |
| Aug 14 | 94°F | 50°F | 76°F 2003 | 49°F 2006 | 4% | 0% |
| Aug 15 | 94°F | 50°F | 76°F 2019 | 47°F 2007 | 4% | 0% |
| Aug 16 | 94°F | 49°F | 81°F 2019 | 47°F 2002 | 4% | 0% |
| Aug 17 | 94°F | 49°F | 76°F 2015 | 46°F 2006 | 4% | 0% |
| Aug 18 | 94°F | 49°F | 75°F 2006 | 46°F 2002 | 4% | 0% |
| Aug 19 | 93°F | 49°F | 78°F 2013 | 49°F 2006 | 5% | 0% |
| Aug 20 | 93°F | 49°F | 79°F 2013 | 47°F 2018 | 5% | 0% |
| Aug 21 | 93°F | 49°F | 75°F 2013 | 47°F 2010 | 5% | 0% |
| Aug 22 | 93°F | 48°F | 76°F 2015 | 47°F 2002 | 5% | 0% |
| Aug 23 | 93°F | 48°F | 76°F 2003 | 47°F 2009 | 5% | 0% |
| Aug 24 | 92°F | 48°F | 79°F 2007 | 47°F 2009 | 5% | 0% |
| Aug 25 | 92°F | 48°F | 76°F 2010 | 44°F 2009 | 5% | 0% |
| Aug 26 | 92°F | 48°F | 76°F 2005 | 46°F 2009 | 5% | 0% |
| Aug 27 | 92°F | 47°F | 81°F 2002 | 48°F 2005 | 6% | 0% |
| Aug 28 | 92°F | 47°F | 96°F 2002 | 44°F 2019 | 6% | 0% |
| Aug 29 | 91°F | 47°F | 97°F 2002 | 44°F 2010 | 6% | 0% |
| Aug 30 | 91°F | 47°F | 78°F 2008 | 46°F 2005 | 6% | 0% |
| Aug 31 | 91°F | 47°F | 81°F 2005 | 47°F 2010 | 6% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 6:08 AM, sunset 8:33 PM
- August 31
- sunrise 6:40 AM, sunset 7:50 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00351448 (Cave Junction 1 Wnw), public domain. Records: NOAA GHCN-Daily, station USC00351058, 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.