S
M
T
W
T
F
S
29
42°
26°
30
43°
36°
31
42°
32°
1
34°
26°
2
40°
28°
3
53°
33°
4
42°
33°
5
38°
31°
6
38°
28°
7
29°
15°
8
39°
20°
9
47°
34°
10
38°
32°
11
38°
33°
12
43°
33°
13
49°
35°
14
52°
35°
15
53°
35°
16
54°
36°
17
56°
36°
18
48°
35°
19
35°
31°
20
33°
27°
21
48°
28°
22
42°
36°
23
54°
35°
24
48°
39°
25
42°
36°
26
50°
35°
27
61°
37°
28
51°
39°
29
40°
36°
30
39°
35°
1
41°
35°
2
38°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Thornbury
Thornbury's April 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for April is ° with an average low of °. 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 Thornbury. See also: May | June | July.