S
M
T
W
T
F
S
27
32°
22°
28
34°
20°
29
32°
20°
30
33°
21°
31
32°
13°
1
29°
12°
2
26°
12°
3
26°
13°
4
27°
20°
5
28°
17°
6
31°
14°
7
30°
15°
8
32°
17°
9
31°
20°
10
30°
18°
11
32°
11°
12
28°
18°
13
27°
19°
14
33°
24°
15
36°
24°
16
37°
18°
17
35°
14°
18
28°
19°
19
29°
23°
20
29°
24°
21
37°
24°
22
36°
23°
23
36°
23°
24
34°
22°
25
36°
14°
26
35°
10°
27
25°
11°
28
24°
6°
29
27°
8°
30
24°
11°
31
25°
10°
1
25°
10°
2
34°
6°
3
32°
7°
4
21°
11°
5
29°
9°
6
30°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Riverdale
Riverdale's January 2027 forecast shows daily high temperatures ranging from 21° to 37°, with overnight lows between 6° and 24°. The average high for January is 30° with an average low of 16°. 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 Riverdale. See also: February | March | April.