S
M
T
W
T
F
S
26
84°
57°
27
84°
57°
28
81°
59°
29
78°
63°
30
71°
58°
31
77°
62°
1
81°
57°
2
84°
64°
3
78°
60°
4
80°
58°
5
87°
56°
6
87°
56°
7
84°
67°
8
84°
66°
9
80°
63°
10
76°
61°
11
75°
56°
12
76°
54°
13
75°
54°
14
70°
45°
15
73°
47°
16
75°
60°
17
72°
54°
18
78°
55°
19
79°
53°
20
74°
51°
21
75°
53°
22
76°
50°
23
73°
50°
24
72°
52°
25
72°
49°
26
73°
50°
27
71°
47°
28
68°
44°
29
69°
50°
30
73°
50°
31
73°
49°
1
74°
51°
2
75°
50°
3
75°
49°
4
74°
49°
5
72°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Saint-Prosper-de-Dorchester
Saint-Prosper-de-Dorchester's August 2026 forecast shows daily high temperatures ranging from 68° to 79°, with overnight lows between 44° and 60°. The average high for August is 73° with an average low of 50°. 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 Saint-Prosper-de-Dorchester. See also: September | October | November.
