S
M
T
W
T
F
S
29
73°
36°
30
77°
58°
31
81°
61°
1
83°
65°
2
84°
64°
3
87°
67°
4
81°
56°
5
64°
46°
6
70°
41°
7
68°
45°
8
77°
46°
9
77°
54°
10
80°
51°
11
84°
57°
12
85°
53°
13
79°
66°
14
84°
63°
15
87°
63°
16
82°
57°
17
86°
66°
18
78°
42°
19
64°
42°
20
68°
46°
21
71°
45°
22
71°
46°
23
78°
58°
24
77°
57°
25
73°
57°
26
71°
49°
27
68°
47°
28
70°
47°
29
73°
48°
30
71°
51°
1
68°
51°
2
69°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Gallatin
Gallatin's April 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 42° and 66°. The average high for April is 73° with an average low of 50°. 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 Gallatin. See also: May | June | July.