S
M
T
W
T
F
S
29
28°
11°
30
35°
12°
31
41°
24°
1
27°
11°
2
32°
8°
3
35°
7°
4
31°
13°
5
30°
12°
6
44°
23°
7
35°
15°
8
38°
14°
9
N/A
10
44°
27°
11
48°
30°
12
34°
23°
13
39°
27°
14
42°
26°
15
42°
26°
16
41°
29°
17
39°
30°
18
42°
29°
19
45°
32°
20
46°
30°
21
47°
32°
22
49°
25°
23
41°
32°
24
42°
33°
25
42°
32°
26
43°
34°
27
43°
34°
28
44°
33°
29
43°
31°
30
43°
30°
1
45°
34°
2
44°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Portland
Portland's April 2026 forecast shows daily high temperatures ranging from 34° to 49°, with overnight lows between 23° and 35°. The average high for April is 43° with an average low of 30°. 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 Portland. See also: May | June | July.
