S
M
T
W
T
F
S
31
70°
47°
1
64°
43°
2
68°
42°
3
61°
40°
4
59°
39°
5
61°
39°
6
67°
46°
7
73°
49°
8
73°
49°
9
72°
50°
10
65°
48°
11
69°
50°
12
69°
50°
13
71°
51°
14
75°
51°
15
67°
50°
16
74°
52°
17
76°
53°
18
76°
52°
19
77°
52°
20
76°
51°
21
71°
50°
22
70°
47°
23
70°
45°
24
69°
47°
25
71°
48°
26
76°
47°
27
75°
49°
28
78°
54°
29
78°
56°
30
79°
55°
1
78°
55°
2
79°
50°
3
80°
53°
4
79°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fort Simpson
Fort Simpson's June 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 39° and 56°. The average high for June is 72° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Fort Simpson. See also: July | August | September.
