S
M
T
W
T
F
S
26
62°
51°
27
63°
47°
28
65°
42°
29
71°
49°
30
71°
58°
1
65°
49°
2
60°
50°
3
63°
47°
4
79°
53°
5
83°
62°
6
78°
63°
7
70°
50°
8
69°
47°
9
79°
55°
10
84°
60°
11
69°
44°
12
69°
53°
13
75°
59°
14
69°
54°
15
75°
58°
16
84°
64°
17
85°
69°
18
88°
69°
19
89°
68°
20
84°
66°
21
80°
67°
22
79°
65°
23
81°
66°
24
82°
67°
25
81°
62°
26
81°
66°
27
82°
66°
28
83°
67°
29
82°
67°
30
84°
66°
31
84°
67°
1
83°
67°
2
79°
66°
3
78°
67°
4
78°
67°
5
80°
68°
6
82°
67°
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 69° to 89°, with overnight lows between 53° and 69°. The average high for May is 81° with an average low of 65°. 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.
