S
M
T
W
T
F
S
1
36°
18°
2
41°
21°
3
46°
30°
4
46°
25°
5
57°
39°
6
64°
46°
7
61°
30°
8
64°
32°
9
72°
39°
10
54°
36°
11
43°
28°
12
46°
25°
13
46°
33°
14
43°
30°
15
41°
27°
16
28°
10°
17
23°
1°
18
48°
23°
19
66°
30°
20
73°
43°
21
86°
45°
22
61°
34°
23
48°
23°
24
57°
34°
25
73°
34°
26
64°
37°
27
46°
27°
28
54°
16°
29
64°
37°
30
84°
45°
31
70°
45°
1
48°
36°
2
68°
36°
3
50°
39°
4
44°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Delaware
Delaware's March 2026 forecast shows daily high temperatures ranging from 44° to 44°, with overnight lows between 30° and 30°. The average high for March is 44° 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 March weather will actually feel in Delaware. See also: April | May | June.
