Cambridge Weather in August
Average highs run from 82°F on August 1 to 78°F on August 31, and lows from 56°F to 51°F. Normal precipitation for the month is 3.68 in over about 12 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
- 80°F
- Average low
- 54°F
- Precipitation
- 3.68 in
- Record high
- 92°FAug 12, 2025
- Record low
- 39°FAug 25, 2001
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.6
- Daylight
- 14 h 41 min to 13 h 18 min
- Cloud cover
- 59%
- Humidity
- 81%
- Dew point
- 59°F
- Wind
- 3.4 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 | 82°F | 56°F | 85°F 2004 | 47°F 1998 | 41% | 0% |
| Aug 2 | 82°F | 56°F | 90°F 2001 | 49°F 1998 | 41% | 0% |
| Aug 3 | 82°F | 55°F | 86°F 2007 | 48°F 1999 | 41% | 0% |
| Aug 4 | 81°F | 55°F | 85°F 2022 | 49°F 1998 | 41% | 0% |
| Aug 5 | 81°F | 55°F | 86°F 2016 | 50°F 2025 | 40% | 0% |
| Aug 6 | 81°F | 55°F | 91°F 2001 | 49°F 2000 | 40% | 0% |
| Aug 7 | 81°F | 55°F | 88°F 2022 | 43°F 2010 | 40% | 0% |
| Aug 8 | 81°F | 55°F | 87°F 1998 | 48°F 2010 | 40% | 0% |
| Aug 9 | 81°F | 55°F | 89°F 2001 | 48°F 2016 | 39% | 0% |
| Aug 10 | 81°F | 55°F | 87°F 2025 | 48°F 1999 | 39% | 0% |
| Aug 11 | 81°F | 55°F | 91°F 2025 | 47°F 1999 | 39% | 0% |
| Aug 12 | 81°F | 54°F | 92°F 2025 | 47°F 2006 | 39% | 0% |
| Aug 13 | 81°F | 54°F | 91°F 2025 | 47°F 2006 | 38% | 0% |
| Aug 14 | 81°F | 54°F | 87°F 2002 | 43°F 1998 | 38% | 0% |
| Aug 15 | 81°F | 54°F | 91°F 2002 | 45°F 2001 | 38% | 0% |
| Aug 16 | 80°F | 54°F | 89°F 2002 | 49°F 2001 | 38% | 0% |
| Aug 17 | 80°F | 54°F | 86°F 2009 | 49°F 2025 | 38% | 0% |
| Aug 18 | 80°F | 53°F | 88°F 2009 | 46°F 2025 | 37% | 0% |
| Aug 19 | 80°F | 53°F | 84°F 2015 | 45°F 2007 | 37% | 0% |
| Aug 20 | 80°F | 53°F | 84°F 2021 | 42°F 2007 | 37% | 0% |
| Aug 21 | 80°F | 53°F | 84°F 2013 | 45°F 2007 | 37% | 0% |
| Aug 22 | 80°F | 53°F | 83°F 2003 | 46°F 1998 | 36% | 0% |
| Aug 23 | 80°F | 52°F | 85°F 2008 | 41°F 1998 | 36% | 0% |
| Aug 24 | 79°F | 52°F | 84°F 2021 | 44°F 2003 | 36% | 0% |
| Aug 25 | 79°F | 52°F | 87°F 2021 | 39°F 2001 | 35% | 0% |
| Aug 26 | 79°F | 52°F | 90°F 2021 | 46°F 2001 | 35% | 0% |
| Aug 27 | 79°F | 52°F | 82°F 1999 | 46°F 2009 | 35% | 0% |
| Aug 28 | 79°F | 51°F | 86°F 2004 | 45°F 2009 | 35% | 0% |
| Aug 29 | 79°F | 51°F | 85°F 2010 | 42°F 2000 | 35% | 0% |
| Aug 30 | 78°F | 51°F | 86°F 2022 | 41°F 2001 | 35% | 0% |
| Aug 31 | 78°F | 51°F | 88°F 2010 | 41°F 2002 | 35% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 5:23 AM, sunset 8:04 PM
- August 31
- sunrise 5:59 AM, sunset 7:17 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00173567 (Harmony), public domain. Records: NOAA GHCN-Daily, station USW00094626, 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.