S
M
T
W
T
F
S
27
80°
57°
28
80°
51°
29
73°
57°
30
74°
57°
1
73°
58°
2
78°
55°
3
77°
49°
4
71°
51°
5
70°
53°
6
71°
53°
7
72°
51°
8
69°
47°
9
73°
49°
10
Hist. Avg.
72°
44°
11
Hist. Avg.
72°
44°
12
Hist. Avg.
72°
44°
13
Hist. Avg.
71°
43°
14
Hist. Avg.
71°
43°
15
Hist. Avg.
71°
42°
16
Hist. Avg.
70°
42°
17
Hist. Avg.
70°
42°
18
Hist. Avg.
70°
41°
19
Hist. Avg.
70°
41°
20
Hist. Avg.
69°
41°
21
Hist. Avg.
69°
40°
22
Hist. Avg.
69°
40°
23
Hist. Avg.
68°
40°
24
Hist. Avg.
68°
39°
25
Hist. Avg.
68°
39°
26
Hist. Avg.
68°
39°
27
Hist. Avg.
67°
38°
28
Hist. Avg.
67°
38°
29
Hist. Avg.
67°
38°
30
Hist. Avg.
66°
38°
31
Hist. Avg.
66°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Potomac
Potomac's October 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 47° and 58°. The average high for October is 74° with an average low of 53°. 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 Potomac. See also: November | December | January.
