S
M
T
W
T
F
S
26
64°
45°
27
66°
48°
28
54°
43°
29
66°
39°
30
72°
43°
1
59°
48°
2
61°
46°
3
61°
48°
4
60°
47°
5
61°
44°
6
59°
44°
7
60°
45°
8
61°
46°
9
61°
47°
10
59°
48°
11
60°
45°
12
61°
44°
13
59°
45°
14
61°
44°
15
59°
45°
16
60°
46°
17
60°
42°
18
61°
45°
19
61°
44°
20
60°
44°
21
60°
44°
22
61°
45°
23
61°
48°
24
62°
49°
25
62°
50°
26
63°
49°
27
62°
47°
28
62°
45°
29
63°
44°
30
63°
46°
31
66°
46°
1
65°
46°
2
67°
48°
3
69°
50°
4
66°
47°
5
66°
48°
6
69°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Filton
Filton's May 2026 forecast shows daily high temperatures ranging from 59° to 69°, with overnight lows between 42° and 52°. The average high for May is 62° with an average low of 46°. 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 Filton. See also: June | July | August.