S
M
T
W
T
F
S
26
62°
37°
27
66°
36°
28
56°
41°
29
51°
44°
30
53°
45°
1
64°
43°
2
57°
41°
3
57°
41°
4
71°
48°
5
77°
56°
6
68°
54°
7
64°
44°
8
58°
39°
9
59°
42°
10
62°
41°
11
61°
42°
12
62°
41°
13
62°
44°
14
59°
45°
15
59°
47°
16
64°
46°
17
63°
44°
18
70°
49°
19
70°
48°
20
65°
48°
21
66°
49°
22
66°
49°
23
64°
46°
24
61°
45°
25
63°
45°
26
64°
50°
27
64°
47°
28
65°
46°
29
64°
44°
30
65°
47°
31
66°
52°
1
68°
49°
2
67°
46°
3
67°
52°
4
72°
53°
5
68°
52°
6
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Newmarket
Newmarket's May 2026 forecast shows daily high temperatures ranging from 58° to 77°, with overnight lows between 39° and 56°. The average high for May is 65° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Newmarket. See also: June | July | August.
