S
M
T
W
T
F
S
27
43°
30°
28
46°
31°
29
47°
32°
30
47°
33°
31
50°
30°
1
50°
29°
2
48°
28°
3
44°
24°
4
41°
23°
5
36°
25°
6
41°
24°
7
42°
23°
8
36°
24°
9
38°
26°
10
44°
21°
11
41°
16°
12
34°
17°
13
32°
21°
14
34°
30°
15
46°
29°
16
40°
27°
17
45°
31°
18
39°
14°
19
32°
16°
20
Hist. Avg.
40°
25°
21
Hist. Avg.
40°
25°
22
Hist. Avg.
40°
25°
23
Hist. Avg.
40°
25°
24
Hist. Avg.
40°
25°
25
Hist. Avg.
40°
25°
26
Hist. Avg.
40°
25°
27
Hist. Avg.
40°
25°
28
Hist. Avg.
40°
25°
29
Hist. Avg.
40°
25°
30
Hist. Avg.
40°
25°
31
Hist. Avg.
40°
25°
1
Hist. Avg.
40°
25°
2
Hist. Avg.
41°
25°
3
Hist. Avg.
41°
25°
4
Hist. Avg.
41°
26°
5
Hist. Avg.
41°
26°
6
Hist. Avg.
41°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Riverside
Riverside's January 2027 forecast shows daily high temperatures ranging from 32° to 50°, with overnight lows between 14° and 33°. The average high for January is 42° with an average low of 25°. 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 Riverside. See also: February | March | April.
