S
M
T
W
T
F
S
27
51°
35°
28
50°
34°
29
45°
33°
30
55°
36°
1
53°
36°
2
46°
33°
3
52°
29°
4
49°
33°
5
56°
33°
6
53°
26°
7
37°
30°
8
53°
26°
9
57°
25°
10
57°
23°
11
61°
25°
12
45°
36°
13
50°
32°
14
53°
26°
15
51°
40°
16
56°
37°
17
54°
39°
18
59°
36°
19
61°
40°
20
61°
32°
21
55°
38°
22
60°
34°
23
64°
29°
24
61°
33°
25
62°
28°
26
58°
32°
27
59°
27°
28
57°
27°
29
55°
36°
30
56°
38°
31
57°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tonsina
Tonsina's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May 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 May weather will actually feel in Tonsina. See also: June | July | August.