S
M
T
W
T
F
S
26
52°
27°
27
51°
36°
28
49°
37°
29
44°
28°
30
47°
21°
1
35°
32°
2
44°
32°
3
43°
34°
4
47°
36°
5
44°
33°
6
47°
28°
7
48°
27°
8
50°
29°
9
48°
28°
10
48°
29°
11
49°
26°
12
50°
28°
13
51°
27°
14
56°
28°
15
50°
26°
16
50°
26°
17
51°
27°
18
53°
27°
19
53°
28°
20
52°
28°
21
52°
27°
22
53°
27°
23
53°
29°
24
54°
29°
25
54°
28°
26
55°
28°
27
56°
29°
28
57°
30°
29
57°
30°
30
56°
31°
31
57°
31°
1
57°
32°
2
58°
31°
3
58°
31°
4
60°
32°
5
62°
34°
6
63°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tonsina
Tonsina's May 2026 forecast shows daily high temperatures ranging from 35° to 63°, with overnight lows between 26° and 36°. The average high for May is 52° with an average low of 30°. 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 Tonsina. See also: June | July | August.
