S
M
T
W
T
F
S
28
91°
72°
29
90°
70°
30
91°
72°
1
93°
70°
2
97°
68°
3
99°
70°
4
99°
68°
5
99°
73°
6
97°
72°
7
97°
72°
8
99°
73°
9
99°
75°
10
99°
75°
11
94°
73°
12
88°
70°
13
80°
68°
14
88°
67°
15
93°
70°
16
96°
71°
17
96°
71°
18
93°
72°
19
91°
71°
20
93°
70°
21
90°
69°
22
89°
70°
23
90°
71°
24
94°
73°
25
92°
70°
26
88°
67°
27
88°
68°
28
91°
72°
29
90°
72°
30
88°
71°
31
92°
72°
1
91°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Blenheim
Blenheim's July 2026 forecast shows daily high temperatures ranging from 80° to 99°, with overnight lows between 67° and 75°. The average high for July is 91° with an average low of 71°. 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 Blenheim. See also: August | September | October.
