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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Lewiston, ID
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August
Average Temperature
High
32°
Feels 32
Low
16°
Feels 16
Average Precipitation
4 Days
Rain amount
9.1mm
Snow amount
0cm
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Daily Historical Averages
August 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
25°
30
24°
31
30°
Forecast
Saturday, August 29, 2026
Day
25°
Feels 25
Wind
32 km/h W
Gust
48 km/h
Humidity
24%
P.O.P
10%
Night
9°
Feels 8
Wind
22 km/h S
Gust
33 km/h
Humidity
71%
P.O.P
10%
Historical Averages
Aug 29
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.