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Hourly
7 Days
14 Days
Monthly
°C
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°Celsius
°Fahrenheit
Monthly Historical Averages
Mattawa, WA
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January
Average Temperature
High
4°
Feels 3
Low
-2°
Feels -7
Average Precipitation
4 Days
Rain amount
3.3mm
Snow amount
5.8cm
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
6°
12
12°
13
11°
14
8°
15
7°
16
5°
17
3°
18
3°
19
3°
20
5°
21
6°
22
5°
23
6°
24
6°
25
7°
26
27
28
29
30
31
Forecast
Sunday, January 11, 2026
Day
6°
Feels 6
Wind
5 km/h E
Gust
8 km/h
Humidity
65%
P.O.P
40%
Night
0°
Feels -2
Wind
6 km/h W
Gust
9 km/h
Humidity
100%
P.O.P
30%
Historical Averages
Jan 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.