S
M
T
W
T
F
S
26
6°
0°
27
5°
-4°
28
0°
-7°
29
0°
-7°
30
3°
-5°
1
8°
-1°
2
8°
2°
3
11°
4°
4
10°
2°
5
8°
1°
6
10°
9°
7
13°
7°
8
16°
5°
9
11°
8°
10
10°
7°
11
16°
12°
12
21°
9°
13
20°
13°
14
19°
15°
15
20°
16°
16
21°
12°
17
22°
11°
18
22°
13°
19
24°
15°
20
24°
15°
21
23°
14°
22
26°
17°
23
26°
18°
24
27°
18°
25
27°
17°
26
26°
19°
27
27°
19°
28
24°
20°
29
24°
20°
30
25°
21°
31
26°
22°
1
30°
23°
2
32°
24°
3
32°
24°
4
31°
25°
5
33°
25°
6
33°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alert
Alert's May 2026 forecast shows daily high temperatures ranging from 8° to 33°, with overnight lows between 1° and 25°. The average high for May is 22° with an average low of 15°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Alert. See also: June | July | August.
