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°
74°
10
99°
73°
11
97°
72°
12
87°
70°
13
79°
66°
14
84°
67°
15
90°
67°
16
96°
69°
17
93°
71°
18
94°
69°
19
90°
68°
20
91°
70°
21
90°
70°
22
89°
69°
23
92°
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 79° to 99°, with overnight lows between 66° and 74°. The average high for July is 91° with an average low of 70°. 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.
