S
M
T
W
T
F
S
27
26°
10°
28
22°
10°
29
23°
8°
30
22°
3°
31
19°
0°
1
16°
10°
2
24°
9°
3
26°
8°
4
24°
-1°
5
22°
-10°
6
23°
9°
7
21°
10°
8
25°
11°
9
26°
10°
10
27°
9°
11
26°
8°
12
23°
6°
13
22°
1°
14
19°
9°
15
22°
6°
16
23°
-2°
17
24°
-1°
18
15°
5°
19
24°
7°
20
25°
9°
21
Hist. Avg.
18°
-1°
22
Hist. Avg.
18°
-1°
23
Hist. Avg.
18°
-1°
24
Hist. Avg.
18°
0°
25
Hist. Avg.
18°
0°
26
Hist. Avg.
18°
0°
27
Hist. Avg.
18°
0°
28
Hist. Avg.
19°
0°
29
Hist. Avg.
19°
0°
30
Hist. Avg.
19°
0°
31
Hist. Avg.
19°
0°
1
Hist. Avg.
19°
0°
2
Hist. Avg.
19°
1°
3
Hist. Avg.
19°
1°
4
Hist. Avg.
20°
1°
5
Hist. Avg.
20°
1°
6
Hist. Avg.
20°
1°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Chelmsford
Chelmsford's January 2027 forecast shows daily high temperatures ranging from 15° to 27°, with overnight lows between -10° and 11°. The average high for January is 23° with an average low of 6°. 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 Chelmsford. See also: February | March | April.
