S
M
T
W
T
F
S
1
35°
6°
2
25°
-9°
3
35°
-5°
4
51°
15°
5
42°
19°
6
32°
21°
7
45°
30°
8
59°
36°
9
67°
29°
10
72°
32°
11
50°
35°
12
50°
26°
13
40°
25°
14
44°
30°
15
38°
30°
16
59°
36°
17
59°
23°
18
34°
18°
19
37°
20°
20
49°
22°
21
46°
30°
22
37°
30°
23
34°
30°
24
44°
28°
25
52°
24°
26
58°
36°
27
49°
24°
28
36°
10°
29
50°
12°
30
67°
33°
31
52°
37°
1
59°
37°
2
40°
33°
3
56°
34°
4
52°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Dayton
Dayton's March 2026 forecast shows daily high temperatures ranging from 52° to 52°, with overnight lows between 35° and 35°. The average high for March is 52° with an average low of 35°. 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 Dayton. See also: April | May | June.