S
M
T
W
T
F
S
28
73°
46°
29
74°
50°
30
77°
49°
1
72°
45°
2
69°
47°
3
73°
51°
4
72°
48°
5
71°
45°
6
69°
46°
7
71°
47°
8
71°
49°
9
70°
51°
10
74°
54°
11
77°
53°
12
76°
54°
13
77°
55°
14
74°
53°
15
71°
49°
16
70°
48°
17
71°
49°
18
74°
48°
19
71°
48°
20
72°
47°
21
72°
47°
22
71°
48°
23
77°
52°
24
76°
51°
25
77°
54°
26
78°
55°
27
78°
54°
28
77°
47°
29
73°
49°
30
71°
48°
31
73°
49°
1
74°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in South Algonquin
South Algonquin's July 2026 forecast shows daily high temperatures ranging from 69° to 78°, with overnight lows between 45° and 55°. The average high for July is 73° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in South Algonquin. See also: August | September | October.