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°
68°
9
89°
72°
10
85°
70°
11
83°
71°
12
83°
67°
13
86°
67°
14
85°
67°
15
88°
65°
16
90°
68°
17
89°
68°
18
90°
69°
19
89°
68°
20
89°
67°
21
90°
69°
22
88°
69°
23
90°
68°
24
91°
71°
25
92°
70°
26
91°
71°
27
91°
70°
28
90°
71°
29
91°
70°
30
87°
70°
31
87°
69°
1
85°
69°
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 83° to 92°, with overnight lows between 65° and 72°. The average high for July is 88° with an average low of 69°. 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.
