S
M
T
W
T
F
S
29
83°
44°
30
85°
64°
31
86°
63°
1
87°
62°
2
85°
68°
3
87°
65°
4
83°
64°
5
66°
52°
6
71°
46°
7
77°
42°
8
80°
51°
9
82°
52°
10
83°
55°
11
85°
57°
12
83°
65°
13
84°
65°
14
86°
67°
15
86°
67°
16
81°
64°
17
85°
63°
18
85°
62°
19
85°
65°
20
84°
66°
21
85°
66°
22
77°
56°
23
81°
62°
24
81°
62°
25
80°
61°
26
80°
60°
27
79°
61°
28
75°
62°
29
82°
63°
30
82°
63°
1
81°
62°
2
79°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Monticello
Monticello's April 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 52° and 67°. The average high for April is 82° with an average low of 62°. 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 Monticello. See also: May | June | July.
