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South Chatham, MA

63°F
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South Chatham

Massachusetts

63°
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South Chatham, MA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

August

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
Partly sunny and humid
82°
69°
27
Humid with sunshine
82°
69°
28
Mostly sunny, windy and humid
81°
68°
29
Rather cloudy; windy, humid
81°
69°
30
Sunshine and less humid
79°
68°
31
A morning thundershower
76°
67°
1
Mostly cloudy
76°
66°
2
Plenty of sun
75°
65°
3
Sun and some clouds
76°
67°
4
Plenty of sun
76°
66°
5
Partly sunny
75°
66°
6
Times of clouds and sun
75°
67°
7
Cloudy, thunderstorms; humid
76°
68°
8
A shower and thunderstorm
76°
68°
9
Cloudy, thunderstorms; humid
75°
66°
10
Humid with a t-storm or two
80°
62°
11
Mostly sunny and less humid
78°
63°
12
Plenty of sun
80°
65°
13
Sunshine and a few clouds
77°
66°
14
Sunshine and a few clouds
80°
67°
15
Mostly sunny and humid
81°
66°
16
Humid with a t-storm in spots
82°
67°
17
Mostly sunny and humid
82°
67°
18
Mostly sunny and humid
81°
66°
19
Windy and humid with a shower
81°
64°
20
Humid with a t-storm in spots
79°
60°
21
Less humid with sunny spells
75°
60°
22
Sun and some clouds
74°
59°
23
Mostly sunny
74°
58°
24
Plenty of sun
75°
60°
25
Plenty of sunshine
76°
60°
26
Plenty of sunshine
79°
61°
27
Plenty of sunshine
79°
60°
28
Sunny
77°
64°
29
Partly sunny and humid
75°
63°
30
Mostly sunny and humid
76°
62°
31
Mostly sunny
78°
64°
1
Plenty of sunshine
78°
57°
2
Mostly sunny and windy
79°
58°
3
Sunshine; windy, less humid
71°
57°
4
Plenty of sun
72°
59°
5
Plenty of sunshine
74°
64°

Temperature Graph

°F
90° 82° 74° 66° 58° Aug
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

August Weather in South Chatham

South Chatham's August 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 57° and 69°. The average high for August is 77° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in South Chatham. See also: September | October | November.

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World North America United States Massachusetts South Chatham

Weather Near South Chatham:

  • Boston, MA
  • Dorchester, MA
  • Worcester, MA
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