S
M
T
W
T
F
S
28
101°
72°
29
99°
72°
30
98°
71°
1
100°
74°
2
103°
73°
3
103°
73°
4
106°
80°
5
110°
82°
6
110°
84°
7
110°
83°
8
112°
84°
9
110°
83°
10
109°
81°
11
108°
83°
12
107°
87°
13
109°
86°
14
111°
87°
15
109°
87°
16
110°
88°
17
111°
86°
18
107°
83°
19
109°
85°
20
107°
86°
21
109°
87°
22
109°
87°
23
110°
88°
24
111°
87°
25
109°
87°
26
105°
86°
27
109°
87°
28
109°
87°
29
108°
86°
30
108°
87°
31
107°
88°
1
108°
86°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Winterhaven
Winterhaven's July 2026 forecast shows daily high temperatures ranging from 105° to 112°, with overnight lows between 81° and 88°. The average high for July is 109° with an average low of 86°. 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 Winterhaven. See also: August | September | October.