Brighton weather in October

In October, Brighton sees average daytime highs of 62°F and overnight lows near 46°F, with 3.9 in of precipitation across 9.4 wet days and about 10.8 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 67°F in the first days to 57°F by the end. The sky is clear or mostly clear about 36% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 10 h 12 min by month's end. Set against the rest of the year, October is Brighton's 2nd-clearest and 7th-windiest month. For the whole year in context, see Brighton's year-round climate.

Daytime high
62°
6th warmest
Overnight low
46°
7th coldest
Precipitation
3.9 in
9.4 wet days
Daylight
10 h 48 min
6:05 AM – 4:55 PM
Cloud cover
55%
2nd clearest
Wind
8 mph
7th windiest
Solar energy
2.93 kWh/m²
Travel score
5.4
out of 10

Brighton is neighborhood of Boston, Massachusetts, United States.

Founded
1630

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 67°F in the first days to 57°F by the end.

A typical October day in Brighton reaches about 62°F in the afternoon and slips back to 46°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 72°F. Set against its neighbours, October runs about 11°F cooler than September and about 11°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16751
26751
36750
46650
56650
66549
76549
86548
96448
106448
116447
126347
136347
146346
156246
166246
176245
186145
196145
206044
216044
226044
235944
245943
255843
265843
275842
285742
295742
305741
315641

How October really feels in Brighton

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Brighton weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 22°3.49.75.79.30.0
Feb38° / 23°3.08.65.110.30.0
Mar46° / 30°4.310.94.711.61.1
Apr57° / 40°3.610.9113.13.9
May67° / 50°3.010.3014.46.0
Jun76° / 59°3.410.70156.6
Jul82° / 65°3.010.5014.86.0
Aug80° / 64°3.59.6013.76.6
Sep73° / 56°3.48.1012.37.1
Oct62° / 46°3.99.40.210.85.4
Nov51° / 36°3.49.10.89.62.5
Dec41° / 28°4.210.54.690.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25347
35347
45347
55347
65446
75446
85545
95545
105545
115545
125545
135545
145545
155545
165545
175545
185446
195347
205347
215347
225347
235347
245149
255149
265149
275149
285050
294951
304951
314951

Chance of precipitation in October

Any precipitationSnow

Brighton gets around 3.9 in of rain and snow over 9.4 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 30% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1290
2290
3300
4300
5310
6310
7310
8310
9310
10320
11320
12320
13320
14320
15320
16310
17310
18311
19301
20301
21301
22291
23291
24291
25291
26291
27291
28291
29291
30291
31292

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1681895
2701785
3711784
4731674
5751573
6771463
7781462
8801352
9801352
10821242
11841141
12841141
13861031
14861031
1587931
1687931
1788831
1889821
1990721
2091720
2191720
2292620
2392620
2492620
2592620
2693520
2793520
2893520
2994420
3094420
3194420

Wind in October

Winds average 8 mph in October.

Across October, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127light breeze
137light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over October. Sunrise moves from 5:47 AM to 6:23 AM, and sunset from 5:20 PM to 4:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:475:20
211.55:485:18
311.55:495:16
411.45:515:15
511.45:525:13
611.35:535:11
711.35:545:09
811.25:555:08
911.25:565:06
1011.15:585:04
1111.15:595:03
1211.06:005:01
1311.06:014:59
1410.96:024:58
1510.96:044:56
1610.86:054:55
1710.86:064:53
1810.76:074:51
1910.76:084:50
2010.66:104:48
2110.66:114:47
2210.66:124:45
2310.56:134:44
2410.56:154:42
2510.46:164:41
2610.46:174:40
2710.36:184:38
2810.36:204:37
2910.26:214:36
3010.26:224:34
3110.26:234:33

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.93 kWh/m².

For context, solar energy here swings from a low near 1.62 kWh/m² to a high of 5.88 kWh/m² in July across the year — October's 2.93 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.2Moderate
93.2Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.0Moderate
172.9Moderate
182.9Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.7Moderate
232.7Moderate
242.6Moderate
252.6Moderate
262.6Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.4Moderate
Planning a trip in October

Hazard calendar for Brighton

In seasonPeak

In October, Brighton sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Brighton sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Brighton?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.4
Sightseeing
6th-best month of the year
1.3
Beach & pool
6th-best month of the year

October is a reasonable time to visit Brighton for sightseeing.

What to pack for Brighton in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Brighton sees daytime highs around 62°F and nights near 46°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Brighton in October

The nearest coast averages about 56°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 mi away) is warmest in August at about 66°F and coldest in February near 38°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan41Bracing
Feb38Bracing
Mar38Bracing
Apr42Bracing
May50Bracing
Jun58Bracing
Jul65Cool
Aug66Cool
Sep63Cool
Oct56Bracing
Nov50Bracing
Dec46Bracing

UV index in Brighton in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Brighton peaks around July 10 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighHighModerateLowJul 10UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7Very high
Jul7Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Brighton in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Brighton is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1516 µg/m³Nov 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar14Moderate
Apr14Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep12Good
Oct10Good
Nov8Good
Dec10Good
Location & terrain

Where is Brighton?

Brighton sits at 42.4°N, 71.2°W, 89 ft above sea level, in United States. The nearest listed city is Chestnut Hill, 1.2 mi away.

Topography around Brighton

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Brighton.

Within 2 miles, the terrain around Brighton has only modest variations in elevation — a maximum elevation change of 358 ft around an average of 108 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 633 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,215 ft.

The land around Brighton is covered by trees (47%) and artificial surfaces (45%) within 2 miles, trees (57%) and artificial surfaces (27%) within 10 miles, and trees (65%) and water (26%) within 50 miles.

2 miles
358 ft
10 miles
633 ft
50 miles
2,215 ft
treesgrasslandartificial surfaceswaterwetland
October weather nearby: Chestnut Hill 1.2 mi · Allston 1.9 mi · Watertown 1.9 mi · Brookline 2.5 mi · Mission Hill 2.5 mi · Newton 3.1 mi · Fenway/Kenmore 3.1 mi · Cambridge 3.1 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Brighton (42.3501°, -71.1564°, elevation 89 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).