S
M
T
W
T
F
S
26
82°
49°
27
87°
50°
28
84°
61°
29
68°
64°
30
79°
62°
31
82°
60°
1
88°
63°
2
86°
71°
3
78°
62°
4
86°
59°
5
87°
61°
6
91°
68°
7
91°
73°
8
89°
69°
9
88°
66°
10
86°
63°
11
85°
65°
12
85°
61°
13
84°
63°
14
83°
59°
15
81°
55°
16
82°
52°
17
76°
65°
18
86°
64°
19
85°
61°
20
84°
61°
21
78°
63°
22
71°
64°
23
75°
64°
24
80°
57°
25
77°
56°
26
81°
60°
27
82°
67°
28
81°
59°
29
80°
56°
30
80°
62°
31
84°
62°
1
75°
58°
2
74°
58°
3
73°
57°
4
74°
56°
5
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Leominster
Leominster's August 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 55° and 67°. The average high for August is 78° with an average low of 59°. 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 Leominster. See also: September | October | November.
