S
M
T
W
T
F
S
27
67°
55°
28
75°
56°
29
77°
57°
30
78°
58°
31
78°
57°
1
79°
54°
2
79°
53°
3
73°
54°
4
70°
53°
5
68°
44°
6
69°
46°
7
66°
50°
8
65°
55°
9
74°
45°
10
77°
42°
11
70°
44°
12
64°
51°
13
71°
42°
14
68°
40°
15
65°
41°
16
62°
43°
17
64°
47°
18
68°
49°
19
73°
55°
20
76°
55°
21
77°
51°
22
76°
54°
23
70°
49°
24
70°
45°
25
69°
47°
26
67°
56°
27
71°
45°
28
66°
47°
29
Hist. Avg.
74°
54°
30
Hist. Avg.
74°
54°
31
Hist. Avg.
75°
54°
1
Hist. Avg.
75°
54°
2
Hist. Avg.
75°
54°
3
Hist. Avg.
75°
55°
4
Hist. Avg.
76°
55°
5
Hist. Avg.
76°
55°
6
Hist. Avg.
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Mission
Mission's January 2027 forecast shows daily high temperatures ranging from 62° to 79°, with overnight lows between 40° and 58°. The average high for January is 71° with an average low of 50°. 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 Mission. See also: February | March | April.