S
M
T
W
T
F
S
31
79°
47°
1
78°
48°
2
85°
53°
3
84°
55°
4
86°
56°
5
86°
56°
6
87°
58°
7
88°
57°
8
84°
58°
9
85°
57°
10
88°
59°
11
87°
58°
12
86°
60°
13
89°
58°
14
82°
50°
15
85°
54°
16
77°
46°
17
73°
47°
18
75°
47°
19
77°
49°
20
83°
52°
21
84°
52°
22
79°
53°
23
86°
55°
24
87°
56°
25
88°
56°
26
83°
55°
27
88°
57°
28
89°
58°
29
89°
58°
30
84°
55°
1
88°
58°
2
89°
58°
3
90°
59°
4
86°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in South Platte
South Platte's June 2026 forecast shows daily high temperatures ranging from 73° to 90°, with overnight lows between 46° and 60°. The average high for June is 85° with an average low of 55°. 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 South Platte. See also: July | August | September.