S
M
T
W
T
F
S
28
37°
31°
29
35°
28°
30
32°
27°
31
27°
25°
1
35°
25°
2
38°
32°
3
34°
30°
4
34°
26°
5
31°
18°
6
20°
14°
7
20°
12°
8
20°
11°
9
18°
8°
10
22°
4°
11
26°
22°
12
26°
14°
13
26°
13°
14
31°
12°
15
34°
25°
16
27°
17°
17
26°
13°
18
21°
7°
19
21°
7°
20
29°
7°
21
31°
8°
22
26°
9°
23
23°
15°
24
23°
19°
25
24°
22°
26
34°
25°
27
36°
26°
28
33°
30°
29
31°
24°
30
24°
10°
31
17°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Warszawa
Warszawa's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. 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 Warszawa. See also: February | March | April.
