S
M
T
W
T
F
S
28
73°
49°
29
80°
47°
30
80°
48°
1
78°
47°
2
79°
48°
3
81°
50°
4
79°
49°
5
83°
51°
6
83°
50°
7
84°
50°
8
82°
51°
9
84°
52°
10
85°
52°
11
83°
46°
12
82°
46°
13
81°
49°
14
81°
52°
15
82°
52°
16
78°
48°
17
75°
46°
18
74°
49°
19
77°
51°
20
79°
49°
21
76°
47°
22
78°
46°
23
75°
50°
24
76°
51°
25
75°
48°
26
76°
49°
27
76°
49°
28
78°
50°
29
79°
49°
30
79°
49°
31
74°
46°
1
73°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Vallecito
Vallecito's July 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 46° and 52°. The average high for July is 79° 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 July weather will actually feel in Vallecito. See also: August | September | October.