S
M
T
W
T
F
S
1
34°
9°
2
11°
-2°
3
28°
3°
4
21°
7°
5
15°
-5°
6
18°
5°
7
35°
13°
8
34°
24°
9
38°
23°
10
38°
21°
11
21°
9°
12
26°
11°
13
24°
18°
14
22°
15°
15
23°
14°
16
31°
14°
17
49°
19°
18
32°
13°
19
17°
8°
20
26°
11°
21
31°
20°
22
28°
16°
23
21°
9°
24
24°
9°
25
30°
18°
26
29°
17°
27
31°
11°
28
13°
1°
29
24°
6°
30
34°
19°
31
31°
15°
1
22°
6°
2
26°
13°
3
28°
18°
4
29°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in St. John Island
St. John Island'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 St. John Island. See also: April | May | June.
