S
M
T
W
T
F
S
27
36°
17°
28
45°
17°
29
45°
29°
30
39°
24°
1
50°
26°
2
61°
34°
3
59°
35°
4
40°
28°
5
48°
29°
6
59°
30°
7
50°
31°
8
51°
28°
9
62°
31°
10
69°
29°
11
58°
44°
12
49°
40°
13
41°
33°
14
39°
30°
15
51°
31°
16
52°
34°
17
70°
38°
18
70°
38°
19
71°
48°
20
72°
50°
21
71°
49°
22
61°
41°
23
65°
45°
24
69°
46°
25
74°
42°
26
76°
46°
27
73°
52°
28
83°
51°
29
81°
61°
30
70°
53°
31
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fort Simpson
Fort Simpson'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 Fort Simpson. See also: June | July | August.
