Brighton climate

Brighton Weather in August

NOAA 1991-2020 normals for Jamaica Plain, 5.8 km from Brighton

Average highs run from 85°F on August 1 to 81°F on August 31, and lows from 64°F to 60°F. Normal precipitation for the month is 3.72 in.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Brighton, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
63°F
Precipitation
3.72 in
Record high
102°FAug 2, 1975
Record low
46°FAug 25, 1940
Chance of a freeze
0%
Days of 90°F or more
5.9
Daylight
14 h 27 min to 13 h 11 min
Cloud cover
51%
Humidity
73%
Dew point
60°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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 185°F64°F98°F 195555°F 19640%
Aug 285°F64°F102°F 197554°F 19470%
Aug 385°F64°F96°F 195755°F 19530%
Aug 485°F64°F98°F 202254°F 19640%
Aug 584°F64°F100°F 195554°F 19720%
Aug 684°F64°F97°F 202254°F 19510%
Aug 784°F64°F98°F 202255°F 19640%
Aug 884°F64°F98°F 202257°F 19500%
Aug 984°F64°F99°F 194957°F 19640%
Aug 1084°F63°F101°F 194953°F 19640%
Aug 1184°F63°F99°F 194456°F 20070%
Aug 1284°F63°F101°F 194456°F 19540%
Aug 1384°F63°F100°F 194454°F 19410%
Aug 1484°F63°F101°F 200252°F 19640%
Aug 1584°F63°F98°F 194452°F 19640%
Aug 1683°F63°F97°F 194455°F 19640%
Aug 1783°F63°F97°F 194455°F 19610%
Aug 1883°F63°F95°F 200254°F 19410%
Aug 1983°F62°F95°F 201956°F 19580%
Aug 2083°F62°F98°F 193754°F 19490%
Aug 2183°F62°F97°F 195554°F 19400%
Aug 2283°F62°F93°F 195551°F 19820%
Aug 2382°F62°F92°F 194753°F 19880%
Aug 2482°F62°F96°F 194751°F 19400%
Aug 2582°F61°F96°F 194846°F 19400%
Aug 2682°F61°F99°F 194850°F 19420%
Aug 2782°F61°F100°F 194852°F 19400%
Aug 2881°F61°F99°F 194850°F 19860%
Aug 2981°F61°F98°F 201847°F 19860%
Aug 3081°F60°F99°F 197348°F 19650%
Aug 3181°F60°F97°F 195347°F 19650%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brighton, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 5:37 AM, sunset 8:04 PM
August 31
sunrise 6:09 AM, sunset 7:20 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00193890 (Jamaica Plain), public domain. Records: NOAA GHCN-Daily, station USW00014739, 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.