S
M
T
W
T
F
S
26
64°
40°
27
64°
37°
28
63°
42°
29
70°
42°
30
75°
43°
1
80°
44°
2
83°
51°
3
83°
50°
4
82°
49°
5
80°
51°
6
82°
51°
7
77°
54°
8
76°
48°
9
75°
48°
10
77°
51°
11
77°
49°
12
90°
49°
13
75°
52°
14
69°
50°
15
65°
46°
16
60°
42°
17
62°
41°
18
68°
41°
19
71°
43°
20
74°
49°
21
74°
47°
22
80°
47°
23
85°
51°
24
85°
54°
25
87°
52°
26
63°
53°
27
75°
57°
28
86°
60°
29
75°
56°
30
73°
47°
31
71°
49°
1
77°
56°
2
84°
58°
3
83°
56°
4
82°
56°
5
81°
54°
6
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lewiston Orchards
Lewiston Orchards's May 2026 forecast shows daily high temperatures ranging from 63° to 87°, with overnight lows between 47° and 60°. The average high for May is 78° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Lewiston Orchards. See also: June | July | August.
