S
M
T
W
T
F
S
31
73°
49°
1
77°
51°
2
79°
49°
3
79°
52°
4
76°
54°
5
77°
48°
6
69°
56°
7
69°
47°
8
80°
45°
9
73°
55°
10
71°
53°
11
80°
45°
12
80°
51°
13
83°
50°
14
86°
54°
15
92°
55°
16
92°
61°
17
84°
60°
18
86°
53°
19
89°
56°
20
87°
62°
21
85°
55°
22
88°
55°
23
91°
55°
24
92°
58°
25
88°
64°
26
69°
58°
27
70°
54°
28
67°
56°
29
69°
55°
30
69°
54°
1
78°
54°
2
82°
51°
3
89°
54°
4
92°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Lewiston
Lewiston'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 Lewiston. See also: July | August | September.
