S
M
T
W
T
F
S
26
86°
70°
27
93°
75°
28
84°
71°
29
71°
60°
30
64°
60°
1
65°
56°
2
78°
50°
3
82°
59°
4
81°
64°
5
91°
63°
6
63°
53°
7
76°
62°
8
78°
65°
9
84°
67°
10
81°
61°
11
82°
62°
12
86°
69°
13
88°
70°
14
89°
71°
15
85°
70°
16
83°
70°
17
85°
69°
18
87°
70°
19
87°
71°
20
90°
72°
21
89°
71°
22
85°
71°
23
81°
70°
24
82°
71°
25
82°
71°
26
83°
72°
27
82°
70°
28
84°
71°
29
83°
71°
30
84°
69°
31
85°
68°
1
85°
70°
2
86°
70°
3
87°
72°
4
86°
74°
5
87°
75°
6
88°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Northwest Dallas
Northwest Dallas's May 2026 forecast shows daily high temperatures ranging from 76° to 90°, with overnight lows between 61° and 75°. The average high for May is 85° with an average low of 70°. 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 Northwest Dallas. See also: June | July | August.
