S
M
T
W
T
F
S
1
42°
32°
2
42°
34°
3
45°
41°
4
48°
42°
5
64°
44°
6
69°
39°
7
54°
34°
8
69°
36°
9
79°
45°
10
84°
52°
11
55°
33°
12
61°
31°
13
60°
41°
14
74°
34°
15
64°
21°
16
34°
11°
17
50°
21°
18
79°
41°
19
83°
45°
20
93°
52°
21
96°
51°
22
73°
42°
23
55°
32°
24
73°
39°
25
91°
51°
26
95°
51°
27
59°
38°
28
62°
31°
29
81°
45°
30
88°
59°
31
82°
59°
1
68°
48°
2
70°
52°
3
76°
43°
4
60°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Hamilton
Hamilton's March 2026 forecast shows daily high temperatures ranging from 60° to 60°, with overnight lows between 38° and 38°. The average high for March is 60° with an average low of 38°. 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 Hamilton. See also: April | May | June.