S
M
T
W
T
F
S
1
75°
34°
2
43°
34°
3
45°
34°
4
75°
41°
5
79°
43°
6
84°
50°
7
79°
52°
8
72°
55°
9
77°
45°
10
84°
41°
11
88°
54°
12
72°
30°
13
59°
27°
14
68°
37°
15
72°
37°
16
70°
34°
17
41°
28°
18
45°
28°
19
63°
30°
20
73°
32°
21
79°
46°
22
88°
45°
23
77°
45°
24
54°
34°
25
63°
30°
26
81°
43°
27
82°
46°
28
55°
32°
29
63°
27°
30
66°
41°
31
82°
54°
1
84°
61°
2
86°
55°
3
82°
59°
4
84°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Long Island
Long 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 Long Island. See also: April | May | June.
