S
M
T
W
T
F
S
28
91°
75°
29
93°
72°
30
95°
72°
1
97°
72°
2
99°
72°
3
95°
72°
4
91°
68°
5
84°
72°
6
88°
72°
7
90°
70°
8
90°
70°
9
91°
70°
10
88°
70°
11
93°
72°
12
84°
72°
13
88°
73°
14
86°
72°
15
88°
70°
16
87°
71°
17
87°
70°
18
89°
70°
19
89°
72°
20
90°
71°
21
91°
72°
22
90°
70°
23
87°
67°
24
90°
69°
25
86°
68°
26
86°
71°
27
88°
71°
28
90°
70°
29
89°
68°
30
87°
71°
31
93°
71°
1
92°
70°
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 86° to 93°, with overnight lows between 67° and 72°. The average high for July is 89° 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 July weather will actually feel in Williamsport. See also: August | September | October.
