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