S
M
T
W
T
F
S
27
46°
19°
28
39°
25°
29
45°
22°
30
48°
25°
31
51°
27°
1
53°
24°
2
50°
17°
3
43°
14°
4
41°
13°
5
41°
13°
6
40°
15°
7
43°
14°
8
44°
15°
9
43°
17°
10
46°
18°
11
49°
17°
12
50°
16°
13
48°
19°
14
47°
18°
15
42°
22°
16
50°
22°
17
52°
25°
18
52°
26°
19
51°
25°
20
44°
22°
21
41°
22°
22
42°
24°
23
46°
27°
24
48°
25°
25
49°
27°
26
52°
29°
27
45°
27°
28
49°
28°
29
45°
24°
30
42°
16°
31
42°
20°
1
Hist. Avg.
49°
21°
2
Hist. Avg.
49°
22°
3
Hist. Avg.
49°
22°
4
Hist. Avg.
49°
22°
5
Hist. Avg.
50°
22°
6
Hist. Avg.
50°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Fallon
Fallon's January 2027 forecast shows daily high temperatures ranging from 39° to 53°, with overnight lows between 13° and 29°. The average high for January is 46° with an average low of 21°. 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 Fallon. See also: February | March | April.