S
M
T
W
T
F
S
27
74°
57°
28
73°
53°
29
72°
56°
30
73°
56°
1
72°
49°
2
71°
47°
3
69°
46°
4
69°
46°
5
68°
47°
6
68°
46°
7
69°
46°
8
70°
47°
9
70°
47°
10
69°
46°
11
68°
45°
12
67°
46°
13
67°
49°
14
67°
50°
15
Hist. Avg.
72°
42°
16
Hist. Avg.
72°
42°
17
Hist. Avg.
71°
42°
18
Hist. Avg.
71°
41°
19
Hist. Avg.
71°
41°
20
Hist. Avg.
70°
41°
21
Hist. Avg.
70°
40°
22
Hist. Avg.
70°
40°
23
Hist. Avg.
70°
40°
24
Hist. Avg.
69°
40°
25
Hist. Avg.
69°
39°
26
Hist. Avg.
69°
39°
27
Hist. Avg.
68°
39°
28
Hist. Avg.
68°
38°
29
Hist. Avg.
68°
38°
30
Hist. Avg.
68°
38°
31
Hist. Avg.
67°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Fontana Dam
Fontana Dam's October 2026 forecast shows daily high temperatures ranging from 67° to 74°, with overnight lows between 45° and 57°. The average high for October is 70° with an average low of 49°. 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 Fontana Dam. See also: November | December | January.
