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Monthly
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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Tualatin, OR
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May
Average Temperature
High
20°
Feels 20
Low
8°
Feels 8
Average Precipitation
11 Days
Rain amount
74.3mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
13°
17
18°
18
18°
19
20°
20
21°
21
22°
22
22°
23
25°
24
20°
25
18°
26
20°
27
20°
28
20°
29
20°
30
20°
31
Forecast
Saturday, May 16, 2026
Day
13°
Feels 12
Wind
18 km/h SW
Gust
27 km/h
Humidity
58%
P.O.P
70%
Rain
2-4 mm
Night
4°
Feels 3
Wind
17 km/h W
Gust
26 km/h
Humidity
100%
P.O.P
70%
Rain
~1 mm
Historical Averages
May 16
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.