S
M
T
W
T
F
S
31
76°
50°
1
76°
52°
2
73°
56°
3
73°
50°
4
74°
51°
5
71°
57°
6
73°
56°
7
72°
54°
8
76°
55°
9
80°
57°
10
86°
59°
11
87°
62°
12
85°
60°
13
85°
59°
14
86°
60°
15
83°
59°
16
84°
60°
17
83°
59°
18
82°
59°
19
83°
58°
20
84°
59°
21
83°
57°
22
86°
61°
23
87°
61°
24
87°
60°
25
86°
61°
26
87°
61°
27
87°
60°
28
86°
59°
29
84°
57°
30
81°
56°
1
83°
59°
2
86°
61°
3
88°
62°
4
89°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Santa Rosa Valley
Santa Rosa Valley's June 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 55° and 62°. The average high for June is 85° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Santa Rosa Valley. See also: July | August | September.
