S
M
T
W
T
F
S
27
30°
12°
28
26°
12°
29
30°
11°
30
28°
14°
31
30°
24°
1
42°
19°
2
40°
13°
3
36°
11°
4
25°
12°
5
29°
20°
6
37°
24°
7
40°
21°
8
44°
7°
9
44°
8°
10
24°
17°
11
32°
12°
12
33°
11°
13
27°
9°
14
28°
4°
15
25°
7°
16
23°
13°
17
30°
17°
18
31°
19°
19
42°
8°
20
41°
8°
21
24°
15°
22
28°
19°
23
37°
20°
24
40°
22°
25
39°
21°
26
40°
22°
27
42°
22°
28
41°
19°
29
44°
20°
30
39°
18°
31
29°
12°
1
39°
6°
2
Hist. Avg.
35°
13°
3
Hist. Avg.
35°
13°
4
Hist. Avg.
35°
13°
5
Hist. Avg.
36°
13°
6
Hist. Avg.
36°
13°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Brookline
Brookline's January 2027 forecast shows daily high temperatures ranging from 23° to 44°, with overnight lows between 4° and 24°. The average high for January is 34° with an average low of 15°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Brookline. See also: February | March | April.
