S
M
T
W
T
F
S
31
85°
65°
1
85°
59°
2
81°
64°
3
84°
57°
4
81°
63°
5
86°
59°
6
89°
68°
7
82°
66°
8
85°
65°
9
91°
72°
10
99°
69°
11
98°
68°
12
93°
64°
13
85°
58°
14
83°
58°
15
79°
54°
16
76°
54°
17
82°
59°
18
82°
62°
19
83°
64°
20
86°
61°
21
80°
55°
22
77°
65°
23
87°
67°
24
88°
66°
25
87°
65°
26
81°
65°
27
79°
66°
28
79°
66°
29
81°
65°
30
83°
66°
1
84°
66°
2
83°
67°
3
86°
67°
4
88°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Foster
Foster's June 2026 forecast shows daily high temperatures ranging from 76° to 99°, with overnight lows between 54° and 72°. The average high for June is 85° with an average low of 64°. 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 Foster. See also: July | August | September.
