S
M
T
W
T
F
S
28
80°
64°
29
85°
63°
30
87°
64°
1
93°
69°
2
102°
75°
3
101°
75°
4
98°
72°
5
85°
68°
6
77°
64°
7
77°
61°
8
83°
65°
9
89°
65°
10
88°
66°
11
87°
65°
12
88°
65°
13
89°
64°
14
87°
66°
15
88°
64°
16
81°
60°
17
83°
63°
18
83°
63°
19
87°
67°
20
87°
67°
21
80°
66°
22
81°
67°
23
83°
67°
24
82°
66°
25
82°
66°
26
83°
65°
27
85°
67°
28
85°
66°
29
83°
67°
30
86°
68°
31
86°
68°
1
85°
67°
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 77° to 102°, with overnight lows between 60° and 75°. The average high for July is 86° with an average low of 66°. 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.
