S
M
T
W
T
F
S
26
90°
73°
27
89°
73°
28
89°
75°
29
90°
77°
30
90°
76°
1
90°
77°
2
91°
76°
3
92°
77°
4
92°
77°
5
90°
75°
6
92°
76°
7
92°
76°
8
92°
75°
9
92°
76°
10
91°
76°
11
91°
75°
12
89°
74°
13
91°
74°
14
90°
74°
15
85°
72°
16
84°
72°
17
86°
73°
18
85°
73°
19
84°
72°
20
82°
72°
21
84°
75°
22
92°
73°
23
91°
72°
24
92°
73°
25
91°
71°
26
90°
72°
27
91°
71°
28
85°
72°
29
85°
73°
30
86°
72°
31
84°
72°
1
83°
71°
2
83°
73°
3
84°
73°
4
83°
72°
5
84°
73°
6
84°
73°
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 82° to 92°, with overnight lows between 71° and 75°. The average high for May is 86° with an average low of 72°. 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.
