S
M
T
W
T
F
S
27
36°
15°
28
37°
22°
29
39°
16°
30
39°
23°
31
36°
22°
1
40°
21°
2
37°
20°
3
37°
14°
4
36°
15°
5
37°
14°
6
36°
16°
7
35°
23°
8
37°
25°
9
39°
25°
10
41°
24°
11
42°
25°
12
41°
24°
13
42°
23°
14
41°
21°
15
38°
23°
16
38°
19°
17
38°
23°
18
Hist. Avg.
42°
22°
19
Hist. Avg.
42°
22°
20
Hist. Avg.
42°
22°
21
Hist. Avg.
42°
22°
22
Hist. Avg.
42°
22°
23
Hist. Avg.
42°
22°
24
Hist. Avg.
42°
22°
25
Hist. Avg.
42°
22°
26
Hist. Avg.
42°
22°
27
Hist. Avg.
43°
22°
28
Hist. Avg.
43°
22°
29
Hist. Avg.
43°
22°
30
Hist. Avg.
43°
22°
31
Hist. Avg.
43°
22°
1
Hist. Avg.
43°
22°
2
Hist. Avg.
44°
22°
3
Hist. Avg.
44°
22°
4
Hist. Avg.
44°
22°
5
Hist. Avg.
44°
23°
6
Hist. Avg.
44°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Klamath Falls
Klamath Falls's January 2027 forecast shows daily high temperatures ranging from 35° to 42°, with overnight lows between 14° and 25°. The average high for January is 38° 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 Klamath Falls. See also: February | March | April.