S
M
T
W
T
F
S
26
43°
33°
27
47°
37°
28
47°
40°
29
46°
37°
30
45°
33°
31
43°
36°
1
42°
38°
2
47°
36°
3
50°
37°
4
51°
40°
5
46°
32°
6
46°
28°
7
39°
34°
8
39°
34°
9
43°
39°
10
39°
36°
11
39°
37°
12
41°
37°
13
38°
35°
14
40°
33°
15
38°
33°
16
39°
33°
17
40°
31°
18
42°
28°
19
44°
31°
20
57°
42°
21
59°
48°
22
56°
41°
23
51°
40°
24
53°
45°
25
50°
38°
26
49°
36°
27
49°
36°
28
52°
31°
1
51°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
February Weather in Alton
Alton's February 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for February 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 February weather will actually feel in Alton. See also: March | April | May.
