S
M
T
W
T
F
S
28
85°
60°
29
84°
61°
30
78°
57°
1
81°
66°
2
88°
63°
3
80°
63°
4
86°
66°
5
86°
67°
6
89°
69°
7
90°
68°
8
89°
67°
9
89°
69°
10
91°
69°
11
88°
68°
12
89°
67°
13
89°
67°
14
88°
68°
15
90°
68°
16
89°
67°
17
86°
67°
18
80°
65°
19
81°
63°
20
81°
59°
21
82°
66°
22
82°
67°
23
83°
67°
24
83°
66°
25
84°
62°
26
79°
60°
27
82°
59°
28
85°
68°
29
90°
62°
30
91°
58°
31
82°
60°
1
83°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Foster
Foster's July 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 57° and 69°. The average high for July is 85° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Foster. See also: August | September | October.
