S
M
T
W
T
F
S
26
77°
58°
27
76°
54°
28
77°
57°
29
77°
57°
30
78°
62°
1
77°
60°
2
76°
63°
3
78°
63°
4
N/A
5
74°
55°
6
73°
54°
7
66°
48°
8
67°
52°
9
68°
53°
10
70°
58°
11
68°
53°
12
69°
55°
13
70°
54°
14
68°
58°
15
69°
59°
16
68°
58°
17
66°
53°
18
66°
53°
19
68°
55°
20
68°
55°
21
71°
54°
22
66°
52°
23
65°
55°
24
66°
56°
25
64°
56°
26
65°
55°
27
67°
55°
28
69°
54°
29
70°
55°
30
70°
54°
31
65°
51°
1
65°
54°
2
66°
53°
3
66°
54°
4
68°
54°
5
69°
53°
6
69°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Annandale
Annandale's May 2026 forecast shows daily high temperatures ranging from 64° to 74°, with overnight lows between 48° and 59°. The average high for May is 68° with an average low of 54°. 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 Annandale. See also: June | July | August.