S
M
T
W
T
F
S
27
36°
22°
28
37°
25°
29
38°
23°
30
37°
17°
31
36°
28°
1
44°
12°
2
49°
11°
3
26°
15°
4
26°
18°
5
30°
15°
6
32°
23°
7
36°
26°
8
40°
22°
9
37°
21°
10
37°
30°
11
43°
29°
12
46°
27°
13
40°
27°
14
38°
29°
15
Hist. Avg.
37°
21°
16
Hist. Avg.
37°
21°
17
Hist. Avg.
37°
20°
18
Hist. Avg.
37°
20°
19
Hist. Avg.
37°
20°
20
Hist. Avg.
37°
20°
21
Hist. Avg.
37°
20°
22
Hist. Avg.
37°
20°
23
Hist. Avg.
37°
20°
24
Hist. Avg.
37°
20°
25
Hist. Avg.
37°
20°
26
Hist. Avg.
37°
20°
27
Hist. Avg.
37°
20°
28
Hist. Avg.
37°
20°
29
Hist. Avg.
37°
20°
30
Hist. Avg.
37°
20°
31
Hist. Avg.
38°
20°
1
Hist. Avg.
38°
20°
2
Hist. Avg.
38°
20°
3
Hist. Avg.
38°
21°
4
Hist. Avg.
38°
21°
5
Hist. Avg.
38°
21°
6
Hist. Avg.
38°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Mifflin
Mifflin's January 2027 forecast shows daily high temperatures ranging from 26° to 49°, with overnight lows between 11° and 30°. The average high for January is 37° with an average low of 22°. 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 Mifflin. See also: February | March | April.