S
M
T
W
T
F
S
27
80°
45°
28
78°
44°
29
79°
45°
30
78°
46°
1
78°
53°
2
83°
52°
3
85°
51°
4
84°
52°
5
82°
49°
6
77°
48°
7
77°
44°
8
76°
47°
9
75°
47°
10
74°
46°
11
77°
49°
12
80°
47°
13
Hist. Avg.
77°
44°
14
Hist. Avg.
76°
44°
15
Hist. Avg.
76°
44°
16
Hist. Avg.
75°
43°
17
Hist. Avg.
75°
43°
18
Hist. Avg.
74°
43°
19
Hist. Avg.
74°
43°
20
Hist. Avg.
73°
43°
21
Hist. Avg.
73°
42°
22
Hist. Avg.
72°
42°
23
Hist. Avg.
72°
42°
24
Hist. Avg.
71°
42°
25
Hist. Avg.
71°
41°
26
Hist. Avg.
70°
41°
27
Hist. Avg.
70°
41°
28
Hist. Avg.
69°
41°
29
Hist. Avg.
68°
40°
30
Hist. Avg.
68°
40°
31
Hist. Avg.
67°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Upper Lake
Upper Lake's October 2026 forecast shows daily high temperatures ranging from 74° to 85°, with overnight lows between 44° and 53°. The average high for October is 79° with an average low of 48°. 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 Upper Lake. See also: November | December | January.
