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
100°
56°
2
102°
55°
3
97°
53°
4
91°
53°
5
88°
51°
6
92°
55°
7
94°
54°
8
91°
55°
9
90°
56°
10
90°
55°
11
89°
54°
12
88°
55°
13
90°
55°
14
88°
54°
15
84°
56°
16
84°
55°
17
84°
55°
18
84°
56°
19
85°
53°
20
84°
55°
21
88°
56°
22
87°
56°
23
85°
56°
24
89°
57°
25
88°
56°
26
89°
57°
27
88°
57°
28
88°
56°
29
86°
57°
30
85°
56°
31
86°
55°
1
84°
54°
2
87°
56°
3
89°
56°
4
83°
55°
5
83°
56°
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 102°, with overnight lows between 51° and 57°. The average high for August is 88° with an average low of 55°. 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.
