S
M
T
W
T
F
S
28
83°
66°
29
91°
76°
30
89°
77°
1
89°
74°
2
89°
68°
3
80°
68°
4
83°
63°
5
78°
63°
6
81°
64°
7
84°
65°
8
83°
67°
9
84°
64°
10
83°
63°
11
82°
62°
12
81°
62°
13
84°
64°
14
85°
63°
15
82°
62°
16
84°
60°
17
77°
58°
18
78°
63°
19
81°
64°
20
83°
64°
21
84°
63°
22
84°
65°
23
85°
64°
24
83°
64°
25
83°
63°
26
82°
64°
27
82°
64°
28
83°
65°
29
83°
63°
30
81°
64°
31
79°
62°
1
77°
58°
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 85°, with overnight lows between 58° and 68°. The average high for July is 82° with an average low of 63°. 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.
