S
M
T
W
T
F
S
28
96°
78°
29
96°
78°
30
95°
75°
1
96°
76°
2
95°
75°
3
96°
74°
4
97°
75°
5
98°
77°
6
96°
75°
7
97°
74°
8
97°
74°
9
90°
73°
10
91°
73°
11
97°
75°
12
97°
78°
13
97°
76°
14
98°
78°
15
97°
80°
16
98°
78°
17
98°
77°
18
98°
76°
19
100°
78°
20
103°
74°
21
102°
72°
22
106°
71°
23
92°
79°
24
99°
79°
25
99°
74°
26
100°
74°
27
101°
73°
28
100°
79°
29
101°
79°
30
100°
77°
31
101°
76°
1
102°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Harlingen
Harlingen's July 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for July is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Harlingen. See also: August | September | October.
