S
M
T
W
T
F
S
28
82°
66°
29
88°
66°
30
90°
68°
1
97°
73°
2
100°
74°
3
97°
71°
4
97°
71°
5
86°
68°
6
87°
68°
7
89°
67°
8
88°
66°
9
83°
69°
10
90°
71°
11
90°
71°
12
88°
70°
13
89°
70°
14
89°
69°
15
88°
71°
16
86°
71°
17
87°
70°
18
90°
72°
19
91°
72°
20
90°
71°
21
89°
70°
22
88°
71°
23
90°
72°
24
91°
72°
25
90°
71°
26
89°
71°
27
90°
70°
28
90°
72°
29
89°
71°
30
90°
71°
31
89°
70°
1
85°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Greenbelt
Greenbelt's July 2026 forecast shows daily high temperatures ranging from 82° to 100°, with overnight lows between 66° and 74°. 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 Greenbelt. See also: August | September | October.