S
M
T
W
T
F
S
26
66°
38°
27
63°
42°
28
64°
42°
29
65°
44°
30
64°
43°
1
63°
43°
2
62°
45°
3
62°
45°
4
63°
46°
5
64°
41°
6
62°
41°
7
65°
43°
8
66°
43°
9
66°
45°
10
65°
45°
11
66°
44°
12
60°
43°
13
60°
42°
14
61°
42°
15
62°
44°
16
67°
47°
17
67°
47°
18
66°
46°
19
65°
48°
20
67°
46°
21
66°
47°
22
64°
47°
23
62°
46°
24
63°
46°
25
66°
48°
26
67°
49°
27
68°
48°
28
69°
49°
29
69°
49°
30
68°
48°
31
61°
47°
1
63°
49°
2
62°
46°
3
68°
49°
4
70°
49°
5
62°
44°
6
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Forks
Forks's May 2026 forecast shows daily high temperatures ranging from 60° to 70°, with overnight lows between 38° and 51°. The average high for May is 65° with an average low of 45°. 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 Forks. See also: June | July | August.