S
M
T
W
T
F
S
27
85°
59°
28
85°
60°
29
84°
60°
30
85°
59°
1
85°
60°
2
84°
58°
3
85°
52°
4
77°
51°
5
76°
50°
6
75°
51°
7
76°
56°
8
77°
57°
9
75°
56°
10
76°
56°
11
75°
47°
12
77°
55°
13
81°
56°
14
Hist. Avg.
77°
50°
15
Hist. Avg.
77°
50°
16
Hist. Avg.
76°
49°
17
Hist. Avg.
76°
49°
18
Hist. Avg.
76°
48°
19
Hist. Avg.
76°
48°
20
Hist. Avg.
75°
48°
21
Hist. Avg.
75°
48°
22
Hist. Avg.
75°
47°
23
Hist. Avg.
74°
47°
24
Hist. Avg.
74°
47°
25
Hist. Avg.
74°
47°
26
Hist. Avg.
73°
46°
27
Hist. Avg.
73°
46°
28
Hist. Avg.
73°
46°
29
Hist. Avg.
72°
46°
30
Hist. Avg.
72°
45°
31
Hist. Avg.
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Thornton
Thornton's October 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 47° and 60°. The average high for October is 80° 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 October weather will actually feel in Thornton. See also: November | December | January.
