Atlantic Weather in August
Average highs run from 92°F on August 1 to 90°F on August 31, and lows from 73°F to 71°F. Normal precipitation for the month is 7.98 in over about 13 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
- 91°F
- Average low
- 72°F
- Precipitation
- 7.98 in
- Record high
- 102°FAug 1, 1999
- Record low
- 55°FAug 4, 1959
- Chance of a freeze
- 0%
- Days of 90°F or more
- 13.4
- Daylight
- 13 h 53 min to 12 h 55 min
- Cloud cover
- 55%
- Humidity
- 79%
- Dew point
- 73°F
- Wind
- 10.1 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 | 92°F | 73°F | 102°F 1999 | 61°F 1956 | 44% | 0% |
| Aug 2 | 92°F | 73°F | 97°F 2006 | 58°F 2012 | 44% | 0% |
| Aug 3 | 92°F | 73°F | 101°F 2011 | 58°F 2012 | 44% | 0% |
| Aug 4 | 92°F | 73°F | 99°F 1963 | 55°F 1959 | 44% | 0% |
| Aug 5 | 92°F | 73°F | 97°F 1981 | 60°F 1990 | 44% | 0% |
| Aug 6 | 92°F | 72°F | 98°F 1977 | 60°F 1976 | 43% | 0% |
| Aug 7 | 92°F | 72°F | 98°F 1968 | 58°F 1964 | 43% | 0% |
| Aug 8 | 92°F | 72°F | 101°F 2011 | 55°F 1957 | 43% | 0% |
| Aug 9 | 92°F | 72°F | 99°F 1977 | 60°F 2004 | 43% | 0% |
| Aug 10 | 92°F | 72°F | 98°F 1980 | 62°F 1994 | 43% | 0% |
| Aug 11 | 92°F | 72°F | 99°F 1977 | 57°F 2002 | 43% | 0% |
| Aug 12 | 92°F | 72°F | 98°F 1977 | 60°F 1963 | 42% | 0% |
| Aug 13 | 92°F | 72°F | 96°F 1997 | 60°F 2007 | 42% | 0% |
| Aug 14 | 92°F | 72°F | 96°F 2016 | 59°F 2006 | 42% | 0% |
| Aug 15 | 91°F | 72°F | 95°F 1980 | 58°F 2011 | 42% | 0% |
| Aug 16 | 91°F | 72°F | 95°F 1978 | 58°F 2011 | 42% | 0% |
| Aug 17 | 91°F | 72°F | 97°F 1978 | 56°F 1961 | 41% | 0% |
| Aug 18 | 91°F | 72°F | 98°F 1988 | 58°F 1979 | 41% | 0% |
| Aug 19 | 91°F | 72°F | 96°F 1959 | 61°F 2008 | 41% | 0% |
| Aug 20 | 91°F | 72°F | 96°F 1968 | 59°F 2011 | 41% | 0% |
| Aug 21 | 91°F | 72°F | 99°F 2007 | 59°F 2011 | 40% | 0% |
| Aug 22 | 91°F | 72°F | 99°F 1959 | 59°F 1996 | 40% | 0% |
| Aug 23 | 91°F | 72°F | 98°F 2002 | 61°F 2012 | 40% | 0% |
| Aug 24 | 91°F | 72°F | 99°F 1968 | 57°F 1978 | 40% | 0% |
| Aug 25 | 90°F | 72°F | 98°F 1968 | 61°F 2012 | 39% | 0% |
| Aug 26 | 90°F | 72°F | 95°F 2007 | 58°F 2012 | 39% | 0% |
| Aug 27 | 90°F | 72°F | 95°F 1965 | 60°F 1957 | 39% | 0% |
| Aug 28 | 90°F | 72°F | 95°F 1987 | 58°F 1984 | 39% | 0% |
| Aug 29 | 90°F | 72°F | 98°F 1990 | 59°F 1969 | 39% | 0% |
| Aug 30 | 90°F | 72°F | 96°F 2006 | 55°F 2010 | 39% | 0% |
| Aug 31 | 90°F | 71°F | 95°F 1970 | 55°F 2012 | 39% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 6:15 AM, sunset 8:08 PM
- August 31
- sunrise 6:38 AM, sunset 7:33 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00311606 (Cedar Is), public domain. Records: NOAA GHCN-Daily, station USC00311606, 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.