S
M
T
W
T
F
S
26
75°
68°
27
78°
68°
28
80°
68°
29
76°
66°
30
77°
64°
31
77°
65°
1
79°
71°
2
75°
64°
3
79°
52°
4
83°
60°
5
81°
66°
6
82°
65°
7
80°
64°
8
80°
67°
9
81°
64°
10
81°
58°
11
78°
57°
12
75°
56°
13
77°
59°
14
75°
58°
15
74°
66°
16
74°
60°
17
81°
64°
18
76°
64°
19
81°
63°
20
76°
61°
21
74°
60°
22
76°
64°
23
81°
64°
24
79°
63°
25
76°
63°
26
78°
64°
27
80°
63°
28
79°
63°
29
76°
61°
30
77°
62°
31
78°
62°
1
76°
61°
2
71°
59°
3
70°
58°
4
70°
59°
5
73°
61°
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 70° to 83°, with overnight lows between 52° and 67°. The average high for August is 77° with an average low of 62°. 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.
