S
M
T
W
T
F
S
28
82°
62°
29
84°
62°
30
85°
57°
1
85°
58°
2
85°
60°
3
88°
60°
4
92°
62°
5
89°
63°
6
96°
69°
7
96°
67°
8
92°
64°
9
89°
66°
10
91°
66°
11
94°
67°
12
93°
71°
13
97°
72°
14
92°
66°
15
96°
73°
16
96°
73°
17
87°
67°
18
91°
70°
19
96°
72°
20
97°
72°
21
97°
73°
22
96°
73°
23
93°
72°
24
89°
72°
25
88°
73°
26
89°
72°
27
94°
73°
28
97°
72°
29
96°
73°
30
97°
74°
31
98°
74°
1
97°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Mattawa
Mattawa's July 2026 forecast shows daily high temperatures ranging from 85° to 98°, with overnight lows between 58° and 74°. The average high for July is 93° with an average low of 69°. 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 Mattawa. See also: August | September | October.
