S
M
T
W
T
F
S
26
86°
67°
27
90°
71°
28
82°
60°
29
83°
58°
30
85°
60°
31
82°
61°
1
76°
68°
2
81°
64°
3
84°
64°
4
85°
60°
5
85°
63°
6
79°
67°
7
87°
65°
8
87°
67°
9
87°
66°
10
92°
72°
11
87°
68°
12
78°
67°
13
84°
66°
14
82°
69°
15
81°
71°
16
89°
73°
17
83°
68°
18
85°
62°
19
88°
68°
20
83°
69°
21
84°
63°
22
82°
64°
23
80°
59°
24
79°
54°
25
82°
56°
26
89°
64°
27
82°
63°
28
83°
60°
29
84°
62°
30
88°
69°
31
92°
69°
1
94°
72°
2
96°
71°
3
96°
73°
4
98°
74°
5
96°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Williamsport
Williamsport's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Williamsport. See also: September | October | November.
