S
M
T
W
T
F
S
26
84°
66°
27
83°
61°
28
82°
60°
29
83°
61°
30
85°
65°
31
83°
62°
1
85°
66°
2
87°
66°
3
88°
62°
4
81°
61°
5
82°
65°
6
82°
65°
7
81°
61°
8
81°
63°
9
84°
66°
10
86°
66°
11
83°
65°
12
84°
66°
13
84°
66°
14
83°
65°
15
87°
66°
16
87°
60°
17
82°
65°
18
85°
65°
19
82°
61°
20
81°
59°
21
81°
59°
22
82°
63°
23
86°
62°
24
87°
64°
25
86°
63°
26
84°
62°
27
81°
58°
28
80°
58°
29
80°
58°
30
81°
58°
31
82°
60°
1
85°
62°
2
84°
62°
3
81°
61°
4
84°
61°
5
80°
60°
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 80° to 88°, with overnight lows between 58° and 66°. The average high for August is 83° with an average low of 63°. 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.