S
M
T
W
T
F
S
1
72°
52°
2
78°
51°
3
71°
57°
4
81°
58°
5
83°
59°
6
85°
66°
7
84°
64°
8
84°
69°
9
84°
67°
10
89°
65°
11
90°
69°
12
81°
59°
13
75°
56°
14
77°
58°
15
87°
65°
16
80°
47°
17
58°
39°
18
60°
45°
19
63°
48°
20
72°
51°
21
85°
52°
22
87°
59°
23
89°
63°
24
69°
58°
25
72°
59°
26
78°
60°
27
86°
64°
28
72°
58°
29
71°
61°
30
79°
60°
31
82°
63°
1
81°
63°
2
81°
64°
3
84°
67°
4
83°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Jacksonville
Jacksonville's March 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for March is ° with an average low of °. 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 Jacksonville. See also: April | May | June.