S
M
T
W
T
F
S
27
87°
65°
28
87°
67°
29
87°
66°
30
86°
66°
1
87°
65°
2
87°
66°
3
86°
66°
4
87°
65°
5
86°
65°
6
85°
64°
7
81°
61°
8
75°
54°
9
72°
51°
10
73°
55°
11
80°
58°
12
82°
60°
13
81°
61°
14
80°
61°
15
81°
60°
16
82°
60°
17
79°
58°
18
80°
59°
19
78°
60°
20
76°
57°
21
76°
54°
22
68°
48°
23
66°
49°
24
66°
51°
25
73°
54°
26
66°
44°
27
68°
45°
28
70°
53°
29
73°
56°
30
75°
57°
31
76°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Thompson Grove
Thompson Grove's October 2026 forecast shows daily high temperatures ranging from 66° to 87°, with overnight lows between 44° and 67°. The average high for October is 78° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Thompson Grove. See also: November | December | January.