S
M
T
W
T
F
S
29
39°
10°
30
32°
26°
31
40°
21°
1
45°
18°
2
43°
18°
3
38°
31°
4
41°
34°
5
42°
33°
6
38°
31°
7
42°
33°
8
40°
34°
9
41°
34°
10
49°
27°
11
47°
27°
12
46°
30°
13
49°
33°
14
49°
30°
15
48°
31°
16
49°
31°
17
47°
34°
18
48°
36°
19
51°
33°
20
50°
36°
21
47°
31°
22
47°
32°
23
48°
31°
24
47°
31°
25
45°
30°
26
46°
32°
27
46°
34°
28
47°
36°
29
48°
37°
30
49°
37°
1
49°
34°
2
50°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Tee Harbor
Tee Harbor's April 2026 forecast shows daily high temperatures ranging from 40° to 51°, with overnight lows between 27° and 37°. The average high for April is 47° with an average low of 33°. 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 Tee Harbor. See also: May | June | July.