S
M
T
W
T
F
S
26
91°
46°
27
93°
45°
28
96°
48°
29
97°
51°
30
95°
48°
31
97°
46°
1
101°
49°
2
102°
51°
3
100°
53°
4
93°
52°
5
88°
57°
6
89°
55°
7
93°
55°
8
92°
55°
9
95°
51°
10
89°
46°
11
86°
53°
12
84°
53°
13
80°
55°
14
79°
57°
15
83°
54°
16
90°
54°
17
88°
55°
18
93°
55°
19
91°
55°
20
85°
54°
21
88°
52°
22
94°
44°
23
98°
46°
24
88°
53°
25
92°
53°
26
97°
43°
27
99°
52°
28
75°
55°
29
87°
43°
30
88°
43°
31
78°
49°
1
75°
49°
2
77°
53°
3
70°
54°
4
79°
46°
5
83°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Healdsburg
Healdsburg's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Healdsburg. See also: September | October | November.
