S
M
T
W
T
F
S
26
82°
66°
27
82°
58°
28
77°
58°
29
77°
64°
30
78°
61°
31
78°
61°
1
82°
62°
2
79°
58°
3
78°
57°
4
77°
56°
5
78°
57°
6
79°
60°
7
81°
57°
8
77°
56°
9
81°
60°
10
83°
59°
11
84°
62°
12
84°
64°
13
83°
65°
14
83°
64°
15
82°
58°
16
83°
55°
17
75°
56°
18
75°
57°
19
73°
58°
20
74°
55°
21
73°
56°
22
76°
62°
23
75°
61°
24
83°
62°
25
82°
58°
26
82°
54°
27
74°
52°
28
72°
52°
29
72°
55°
30
75°
62°
31
79°
62°
1
79°
61°
2
80°
54°
3
76°
59°
4
78°
59°
5
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Welland
Welland's August 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 52° and 66°. The average high for August is 78° with an average low of 59°. 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 Welland. See also: September | October | November.
