S
M
T
W
T
F
S
26
86°
68°
27
89°
67°
28
94°
72°
29
89°
67°
30
88°
68°
31
87°
66°
1
88°
67°
2
83°
66°
3
86°
68°
4
87°
68°
5
89°
69°
6
88°
68°
7
84°
70°
8
84°
70°
9
85°
69°
10
84°
70°
11
86°
70°
12
86°
69°
13
84°
70°
14
87°
70°
15
85°
69°
16
85°
70°
17
83°
68°
18
83°
67°
19
82°
67°
20
83°
69°
21
84°
68°
22
83°
69°
23
81°
69°
24
81°
68°
25
82°
68°
26
87°
69°
27
87°
69°
28
86°
68°
29
81°
69°
30
80°
68°
31
80°
64°
1
81°
65°
2
82°
65°
3
86°
68°
4
87°
67°
5
87°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Bethlehem
Bethlehem's August 2026 forecast shows daily high temperatures ranging from 80° to 94°, with overnight lows between 64° and 72°. The average high for August is 85° with an average low of 68°. 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 Bethlehem. See also: September | October | November.
