S
M
T
W
T
F
S
29
45°
37°
30
47°
27°
31
51°
26°
1
43°
36°
2
44°
37°
3
53°
31°
4
61°
29°
5
67°
37°
6
72°
41°
7
60°
38°
8
61°
31°
9
64°
30°
10
70°
34°
11
56°
48°
12
62°
38°
13
49°
42°
14
49°
39°
15
46°
29°
16
45°
31°
17
47°
27°
18
59°
35°
19
71°
44°
20
73°
46°
21
72°
44°
22
58°
33°
23
53°
34°
24
59°
38°
25
62°
40°
26
61°
41°
27
61°
42°
28
64°
36°
29
55°
31°
30
56°
32°
1
56°
34°
2
57°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Thompson Falls
Thompson Falls's April 2026 forecast shows daily high temperatures ranging from 45° to 73°, with overnight lows between 27° and 46°. The average high for April is 59° with an average low of 36°. 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 Thompson Falls. See also: May | June | July.
