S
M
T
W
T
F
S
29
60°
31°
30
72°
48°
31
81°
62°
1
84°
58°
2
58°
43°
3
71°
44°
4
84°
48°
5
73°
48°
6
59°
43°
7
54°
28°
8
54°
30°
9
58°
38°
10
71°
53°
11
70°
43°
12
66°
48°
13
79°
57°
14
86°
61°
15
84°
50°
16
64°
45°
17
63°
48°
18
68°
48°
19
67°
45°
20
64°
42°
21
68°
48°
22
70°
50°
23
71°
50°
24
71°
48°
25
70°
44°
26
60°
44°
27
60°
42°
28
62°
42°
29
62°
41°
30
61°
40°
1
63°
44°
2
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Blenheim
Blenheim's April 2026 forecast shows daily high temperatures ranging from 54° to 86°, with overnight lows between 28° and 61°. The average high for April is 67° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Blenheim. See also: May | June | July.
