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