S
M
T
W
T
F
S
26
66°
58°
27
68°
53°
28
68°
54°
29
69°
56°
30
70°
57°
31
70°
58°
1
68°
58°
2
71°
56°
3
69°
56°
4
70°
58°
5
70°
55°
6
71°
58°
7
70°
56°
8
68°
57°
9
67°
56°
10
66°
54°
11
67°
55°
12
68°
55°
13
66°
56°
14
66°
54°
15
68°
58°
16
70°
57°
17
70°
58°
18
69°
58°
19
69°
57°
20
68°
57°
21
68°
56°
22
69°
56°
23
67°
55°
24
66°
56°
25
67°
57°
26
64°
55°
27
66°
52°
28
64°
56°
29
64°
57°
30
65°
57°
31
67°
58°
1
67°
57°
2
68°
57°
3
69°
56°
4
68°
56°
5
68°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Southgate
Southgate's August 2026 forecast shows daily high temperatures ranging from 64° to 71°, with overnight lows between 52° and 58°. The average high for August is 68° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Southgate. See also: September | October | November.