S
M
T
W
T
F
S
1
82°
72°
2
83°
72°
3
83°
73°
4
83°
71°
5
82°
71°
6
83°
72°
7
82°
72°
8
80°
71°
9
82°
72°
10
83°
73°
11
82°
72°
12
82°
71°
13
82°
71°
14
83°
71°
15
82°
72°
16
83°
75°
17
82°
73°
18
82°
73°
19
82°
74°
20
83°
33°
21
82°
71°
22
84°
71°
23
83°
70°
24
83°
75°
25
84°
76°
26
83°
75°
27
84°
74°
28
82°
72°
29
83°
69°
30
85°
73°
31
83°
72°
1
84°
74°
2
83°
73°
3
83°
71°
4
83°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in St. John's
St. John's'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's. See also: April | May | June.
