S
M
T
W
T
F
S
31
68°
47°
1
76°
46°
2
86°
53°
3
71°
60°
4
69°
55°
5
64°
53°
6
63°
48°
7
67°
47°
8
63°
50°
9
65°
53°
10
67°
53°
11
72°
47°
12
75°
55°
13
82°
54°
14
87°
59°
15
88°
55°
16
73°
48°
17
74°
49°
18
75°
51°
19
77°
50°
20
71°
48°
21
73°
53°
22
77°
56°
23
78°
54°
24
77°
55°
25
73°
52°
26
71°
54°
27
70°
50°
28
75°
56°
29
77°
55°
30
68°
52°
1
66°
50°
2
70°
54°
3
73°
54°
4
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Stillwater
Stillwater's June 2026 forecast shows daily high temperatures ranging from 66° to 88°, with overnight lows between 48° and 59°. The average high for June is 74° with an average low of 53°. 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 Stillwater. See also: July | August | September.