S
M
T
W
T
F
S
26
91°
55°
27
91°
56°
28
90°
58°
29
86°
57°
30
89°
57°
31
91°
56°
1
92°
57°
2
93°
58°
3
93°
59°
4
92°
57°
5
92°
57°
6
91°
56°
7
90°
55°
8
90°
53°
9
88°
54°
10
89°
55°
11
91°
56°
12
91°
57°
13
92°
53°
14
92°
55°
15
91°
55°
16
88°
54°
17
88°
56°
18
87°
53°
19
86°
51°
20
85°
53°
21
86°
55°
22
90°
58°
23
85°
58°
24
83°
57°
25
86°
56°
26
89°
55°
27
90°
56°
28
91°
56°
29
90°
58°
30
91°
56°
31
92°
57°
1
91°
56°
2
83°
51°
3
90°
55°
4
90°
55°
5
Hist. Avg.
87°
53°
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 83° to 93°, with overnight lows between 51° and 59°. The average high for August is 89° with an average low of 56°. 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.
