S
M
T
W
T
F
S
29
50°
25°
30
71°
41°
31
79°
53°
1
76°
49°
2
49°
38°
3
63°
38°
4
69°
42°
5
55°
40°
6
51°
35°
7
53°
31°
8
50°
28°
9
55°
28°
10
66°
47°
11
60°
37°
12
59°
45°
13
70°
56°
14
79°
59°
15
80°
59°
16
79°
59°
17
78°
54°
18
73°
55°
19
67°
47°
20
59°
43°
21
63°
47°
22
64°
51°
23
71°
43°
24
59°
47°
25
59°
47°
26
58°
46°
27
59°
45°
28
60°
44°
29
59°
44°
30
60°
42°
1
61°
50°
2
70°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Hartford
Hartford's April 2026 forecast shows daily high temperatures ranging from 58° to 80°, with overnight lows between 37° and 59°. The average high for April is 66° with an average low of 49°. 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 Hartford. See also: May | June | July.