S
M
T
W
T
F
S
28
84°
63°
29
89°
63°
30
91°
65°
1
99°
72°
2
100°
72°
3
100°
73°
4
96°
72°
5
84°
71°
6
75°
70°
7
79°
68°
8
86°
68°
9
92°
67°
10
86°
66°
11
88°
68°
12
87°
63°
13
90°
64°
14
98°
71°
15
98°
67°
16
94°
63°
17
91°
65°
18
84°
69°
19
84°
64°
20
84°
64°
21
87°
63°
22
83°
63°
23
84°
64°
24
83°
65°
25
84°
64°
26
85°
63°
27
82°
62°
28
84°
65°
29
83°
62°
30
81°
66°
31
81°
66°
1
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Williamsport
Williamsport's July 2026 forecast shows daily high temperatures ranging from 81° to 98°, with overnight lows between 62° and 71°. The average high for July is 86° with an average low of 65°. 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 Williamsport. See also: August | September | October.
