S
M
T
W
T
F
S
31
80°
50°
1
82°
61°
2
84°
55°
3
78°
59°
4
81°
58°
5
78°
56°
6
71°
48°
7
74°
49°
8
74°
53°
9
76°
53°
10
76°
48°
11
83°
48°
12
84°
63°
13
86°
61°
14
90°
61°
15
99°
62°
16
90°
69°
17
90°
64°
18
90°
63°
19
95°
66°
20
92°
69°
21
89°
64°
22
91°
69°
23
93°
65°
24
98°
69°
25
87°
62°
26
81°
57°
27
74°
56°
28
82°
62°
29
84°
62°
30
85°
57°
1
82°
53°
2
83°
57°
3
91°
63°
4
94°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Mattawa
Mattawa's June 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for June is ° with an average low of °. 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 Mattawa. See also: July | August | September.