S
M
T
W
T
F
S
1
87°
78°
2
88°
77°
3
90°
79°
4
89°
77°
5
90°
76°
6
89°
76°
7
89°
78°
8
87°
74°
9
86°
74°
10
88°
73°
11
87°
75°
12
86°
73°
13
84°
73°
14
88°
74°
15
88°
76°
16
87°
78°
17
86°
76°
18
86°
77°
19
86°
77°
20
85°
79°
21
85°
80°
22
83°
76°
23
85°
75°
24
85°
76°
25
86°
75°
26
86°
76°
27
85°
75°
28
85°
73°
29
81°
74°
30
80°
69°
31
80°
68°
1
84°
68°
2
83°
72°
3
80°
72°
4
79°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in St Thomas
St Thomas'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 Thomas. See also: April | May | June.
