S
M
T
W
T
F
S
26
86°
68°
27
86°
70°
28
79°
64°
29
81°
58°
30
87°
61°
31
86°
65°
1
74°
67°
2
76°
62°
3
80°
57°
4
85°
61°
5
79°
65°
6
79°
68°
7
86°
67°
8
86°
64°
9
79°
57°
10
85°
65°
11
83°
62°
12
85°
64°
13
82°
64°
14
83°
64°
15
83°
59°
16
88°
70°
17
80°
61°
18
84°
58°
19
78°
61°
20
80°
56°
21
82°
58°
22
73°
62°
23
74°
56°
24
77°
53°
25
79°
54°
26
78°
60°
27
81°
59°
28
75°
53°
29
82°
59°
30
79°
65°
31
80°
68°
1
90°
68°
2
88°
72°
3
76°
68°
4
79°
66°
5
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Nelson
Nelson's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Nelson. See also: September | October | November.