S
M
T
W
T
F
S
29
90°
54°
30
78°
54°
31
68°
55°
1
59°
53°
2
69°
40°
3
79°
43°
4
85°
47°
5
86°
50°
6
69°
47°
7
72°
46°
8
80°
47°
9
73°
49°
10
63°
54°
11
59°
51°
12
60°
48°
13
69°
42°
14
67°
42°
15
69°
42°
16
69°
47°
17
75°
41°
18
77°
45°
19
67°
48°
20
62°
47°
21
64°
47°
22
67°
46°
23
73°
46°
24
74°
49°
25
74°
48°
26
72°
49°
27
74°
48°
28
75°
50°
29
73°
46°
30
67°
43°
1
68°
46°
2
69°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Calistoga
Calistoga's April 2026 forecast shows daily high temperatures ranging from 62° to 77°, with overnight lows between 41° and 50°. The average high for April is 71° with an average low of 47°. 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 Calistoga. See also: May | June | July.
