Commack Weather in August
Average highs run from 83°F on August 1 to 79°F on August 31, and lows from 66°F to 63°F. Normal precipitation for the month is 4.32 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
- 81°F
- Average low
- 65°F
- Precipitation
- 4.32 in
- Record high
- 100°FAug 9, 2001
- Record low
- 53°FAug 21, 2007
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.9
- Daylight
- 14 h 19 min to 13 h 08 min
- Cloud cover
- 56%
- Humidity
- 73%
- Dew point
- 63°F
- Wind
- 5.6 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 | 83°F | 66°F | 96°F 2006 | 61°F 2021 | 0% | |
| Aug 2 | 83°F | 66°F | 97°F 2006 | 60°F 2025 | 0% | |
| Aug 3 | 83°F | 66°F | 98°F 2006 | 60°F 2025 | 0% | |
| Aug 4 | 83°F | 66°F | 92°F 2005 | 61°F 2025 | 0% | |
| Aug 5 | 83°F | 66°F | 94°F 2005 | 59°F 2013 | 0% | |
| Aug 6 | 82°F | 66°F | 90°F 2010 | 60°F 2013 | 0% | |
| Aug 7 | 82°F | 66°F | 96°F 2001 | 57°F 2004 | 0% | |
| Aug 8 | 82°F | 66°F | 99°F 2001 | 57°F 2004 | 0% | |
| Aug 9 | 82°F | 66°F | 100°F 2001 | 58°F 2025 | 0% | |
| Aug 10 | 82°F | 66°F | 91°F 2001 | 58°F 2007 | 0% | |
| Aug 11 | 82°F | 66°F | 92°F 2005 | 58°F 2007 | 0% | |
| Aug 12 | 82°F | 66°F | 92°F 2016 | 59°F 2006 | 0% | |
| Aug 13 | 82°F | 65°F | 94°F 2016 | 59°F 2006 | 0% | |
| Aug 14 | 82°F | 65°F | 97°F 2016 | 59°F 2010 | 0% | |
| Aug 15 | 82°F | 65°F | 90°F 2016 | 58°F 2013 | 0% | |
| Aug 16 | 82°F | 65°F | 91°F 2002 | 57°F 2013 | 0% | |
| Aug 17 | 82°F | 65°F | 90°F 2002 | 60°F 2004 | 0% | |
| Aug 18 | 81°F | 65°F | 93°F 2002 | 59°F 2007 | 0% | |
| Aug 19 | 81°F | 65°F | 92°F 2002 | 59°F 2000 | 0% | |
| Aug 20 | 81°F | 65°F | 89°F 2010 | 58°F 2008 | 0% | |
| Aug 21 | 81°F | 65°F | 90°F 2005 | 53°F 2007 | 0% | |
| Aug 22 | 81°F | 65°F | 89°F 2019 | 55°F 2024 | 0% | |
| Aug 23 | 81°F | 65°F | 86°F 2006 | 57°F 2004 | 0% | |
| Aug 24 | 81°F | 64°F | 91°F 2021 | 58°F 2003 | 0% | |
| Aug 25 | 81°F | 64°F | 92°F 2020 | 57°F 2013 | 0% | |
| Aug 26 | 80°F | 64°F | 94°F 2016 | 56°F 2004 | 0% | |
| Aug 27 | 80°F | 64°F | 93°F 2020 | 57°F 2017 | 0% | |
| Aug 28 | 80°F | 64°F | 93°F 2024 | 55°F 2025 | 0% | |
| Aug 29 | 80°F | 64°F | 93°F 2018 | 58°F 2011 | 0% | |
| Aug 30 | 80°F | 63°F | 90°F 2010 | 59°F 2011 | 0% | |
| Aug 31 | 79°F | 63°F | 95°F 2010 | 58°F 2009 | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 5:50 AM, sunset 8:09 PM
- August 31
- sunrise 6:19 AM, sunset 7:27 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00301309 (Centerport), public domain. Records: NOAA GHCN-Daily, station USW00054787, 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.