S
M
T
W
T
F
S
26
63°
49°
27
71°
45°
28
76°
39°
29
81°
42°
30
82°
42°
1
80°
47°
2
67°
52°
3
67°
52°
4
69°
48°
5
68°
51°
6
80°
54°
7
78°
52°
8
81°
51°
9
85°
45°
10
83°
50°
11
87°
47°
12
77°
50°
13
80°
47°
14
86°
50°
15
88°
52°
16
78°
46°
17
83°
52°
18
93°
54°
19
93°
55°
20
85°
54°
21
81°
53°
22
83°
52°
23
83°
52°
24
84°
53°
25
82°
52°
26
81°
51°
27
75°
51°
28
76°
49°
29
76°
49°
30
77°
50°
31
80°
53°
1
83°
54°
2
84°
56°
3
85°
54°
4
77°
52°
5
80°
55°
6
83°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Healdsburg
Healdsburg's May 2026 forecast shows daily high temperatures ranging from 75° to 93°, with overnight lows between 46° and 56°. The average high for May is 82° with an average low of 52°. 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 Healdsburg. See also: June | July | August.
