S
M
T
W
T
F
S
1
78°
42°
2
76°
53°
3
76°
55°
4
79°
59°
5
80°
60°
6
71°
56°
7
83°
59°
8
70°
59°
9
75°
52°
10
81°
63°
11
80°
48°
12
58°
38°
13
71°
35°
14
76°
42°
15
79°
46°
16
46°
31°
17
49°
26°
18
67°
38°
19
76°
43°
20
82°
48°
21
85°
57°
22
88°
60°
23
72°
45°
24
72°
42°
25
80°
53°
26
84°
56°
27
78°
48°
28
64°
41°
29
75°
38°
30
79°
56°
31
82°
62°
1
84°
62°
2
81°
65°
3
85°
64°
4
79°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Myrtle
Myrtle's March 2026 forecast shows daily high temperatures ranging from 79° to 79°, with overnight lows between 47° and 47°. The average high for March is 79° with an average low of 47°. 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 Myrtle. See also: April | May | June.
