S
M
T
W
T
F
S
26
91°
73°
27
91°
72°
28
94°
73°
29
92°
75°
30
89°
71°
31
90°
67°
1
90°
72°
2
84°
71°
3
85°
69°
4
88°
68°
5
90°
71°
6
90°
72°
7
87°
71°
8
92°
70°
9
91°
71°
10
92°
72°
11
94°
71°
12
93°
73°
13
94°
75°
14
98°
76°
15
99°
75°
16
100°
76°
17
101°
73°
18
100°
72°
19
98°
71°
20
98°
70°
21
95°
69°
22
97°
69°
23
95°
71°
24
95°
70°
25
94°
69°
26
90°
67°
27
92°
70°
28
92°
69°
29
92°
68°
30
91°
69°
31
92°
69°
1
92°
68°
2
91°
68°
3
91°
67°
4
90°
68°
5
92°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grasmere
Grasmere's August 2026 forecast shows daily high temperatures ranging from 90° to 101°, with overnight lows between 67° and 76°. The average high for August is 95° 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 August weather will actually feel in Grasmere. See also: September | October | November.
