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