S
M
T
W
T
F
S
28
81°
66°
29
91°
79°
30
88°
70°
1
84°
68°
2
82°
66°
3
84°
66°
4
84°
70°
5
84°
64°
6
88°
64°
7
88°
64°
8
79°
68°
9
81°
66°
10
84°
63°
11
88°
64°
12
90°
70°
13
90°
66°
14
91°
64°
15
90°
70°
16
89°
68°
17
95°
69°
18
89°
63°
19
88°
70°
20
91°
63°
21
80°
59°
22
79°
64°
23
82°
61°
24
82°
62°
25
84°
64°
26
81°
63°
27
83°
64°
28
82°
61°
29
77°
65°
30
78°
65°
31
78°
63°
1
78°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Winthrop
Winthrop's July 2026 forecast shows daily high temperatures ranging from 77° to 95°, with overnight lows between 59° and 70°. The average high for July is 84° with an average low of 64°. 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 Winthrop. See also: August | September | October.
