Average data for 10 years
1 August
Thursday
+32°
+26°
2 August
Friday
+31°
+25°
3 August
Saturday
+30°
+24°
4 August
Sunday
+30°
+25°
5 August
Monday
+29°
+24°
6 August
Tuesday
+29°
+23°
7 August
Wednesday
+30°
+24°
8 August
Thursday
+30°
+24°
9 August
Friday
+30°
+24°
10 August
Saturday
+29°
+24°
11 August
Sunday
+29°
+24°
12 August
Monday
+29°
+23°
13 August
Tuesday
+29°
+23°
14 August
Wednesday
+28°
+23°
15 August
Thursday
+29°
+24°
16 August
Friday
+30°
+25°
17 August
Saturday
+30°
+25°
18 August
Sunday
+31°
+25°
19 August
Monday
+30°
+24°
20 August
Tuesday
+30°
+24°
21 August
Wednesday
+28°
+22°
22 August
Thursday
+26°
+21°
23 August
Friday
+29°
+22°
24 August
Saturday
+29°
+23°
25 August
Sunday
+30°
+24°
26 August
Monday
+29°
+23°
27 August
Tuesday
+29°
+24°
28 August
Wednesday
+28°
+22°
29 August
Thursday
+27°
+22°
30 August
Friday
+26°
+21°
31 August
Saturday
+26°
+21°
In August, the weather in Boise is typically hot. Average daily high temperature in August is about 29 degrees above zero. On average, Boise has 29 sunny and 2 partly cloudy days in August.