Portland, US-Oregon – Hourly Weather Forecast
Portland – Tuesday, September 1
12 AM
20°
68°
partly cloudy
Precip0 mm
Pressure1010 hPa
1 AM
19°
66°
partly cloudy
Precip0 mm
Pressure1010 hPa
2 AM
18°
64°
partly cloudy
Precip0 mm
Pressure1010 hPa
3 AM
16°
61°
partly cloudy
Precip0 mm
Pressure1011 hPa
4 AM
15°
59°
partly cloudy
Precip0 mm
Pressure1011 hPa
8 AM
16°
61°
light rain
Precip0.1 mm
Pressure1012 hPa
9 AM
17°
63°
light rain
Precip0.1 mm
Pressure1012 hPa
10 AM
17°
63°
light rain
Precip0.1 mm
Pressure1012 hPa
11 AM
19°
66°
cloudy
Precip0 mm
Pressure1012 hPa
12 PM
20°
68°
cloudy
Precip0 mm
Pressure1011 hPa
1 PM
20°
68°
cloudy
Precip0 mm
Pressure1011 hPa
2 PM
22°
72°
cloudy
Precip0 mm
Pressure1011 hPa
3 PM
22°
72°
cloudy
Precip0 mm
Pressure1010 hPa
4 PM
22°
72°
cloudy
Precip0 mm
Pressure1010 hPa
5 PM
22°
72°
cloudy
Precip0 mm
Pressure1010 hPa
6 PM
21°
70°
cloudy
Precip0 mm
Pressure1010 hPa
7 PM
20°
68°
cloudy
Precip0 mm
Pressure1011 hPa
8 PM
19°
66°
partly cloudy
Precip0 mm
Pressure1011 hPa
9 PM
18°
64°
partly cloudy
Precip0 mm
Pressure1011 hPa
10 PM
17°
63°
partly cloudy
Precip0 mm
Pressure1011 hPa
11 PM
17°
63°
partly cloudy
Precip0 mm
Pressure1011 hPa
Portland – Wednesday, September 2
12 AM
17°
63°
cloudy
Precip0 mm
Pressure1011 hPa
1 AM
17°
63°
partly cloudy
Precip0 mm
Pressure1011 hPa
2 AM
16°
61°
mostly clear
Precip0 mm
Pressure1011 hPa
3 AM
15°
59°
partly cloudy
Precip0 mm
Pressure1010 hPa
4 AM
15°
59°
cloudy
Precip0 mm
Pressure1010 hPa
5 AM
16°
61°
cloudy
Precip0 mm
Pressure1010 hPa
6 AM
16°
61°
cloudy
Precip0 mm
Pressure1009 hPa
7 AM
16°
61°
cloudy
Precip0 mm
Pressure1009 hPa
8 AM
17°
63°
cloudy
Precip0 mm
Pressure1008 hPa
9 AM
18°
64°
cloudy
Precip0 mm
Pressure1008 hPa
10 AM
19°
66°
rain
Precip0.8 mm
Pressure1008 hPa
11 AM
17°
63°
heavy rain
Precip1 mm
Pressure1008 hPa
12 PM
16°
61°
heavy rain
Precip1.5 mm
Pressure1008 hPa
1 PM
15°
59°
heavy rain
Precip1.5 mm
Pressure1007 hPa
2 PM
15°
59°
heavy rain
Precip1.2 mm
Pressure1007 hPa
3 PM
15°
59°
heavy rain
Precip1.4 mm
Pressure1007 hPa
4 PM
15°
59°
rain
Precip0.8 mm
Pressure1007 hPa
5 PM
16°
61°
partly cloudy
Precip0 mm
Pressure1008 hPa
6 PM
16°
61°
light rain showers
Precip0.1 mm
Pressure1008 hPa
7 PM
16°
61°
mostly clear
Precip0 mm
Pressure1008 hPa
8 PM
15°
59°
fair
Precip0 mm
Pressure1009 hPa
9 PM
14°
57°
light rain showers
Precip0.1 mm
Pressure1009 hPa
10 PM
13°
55°
mostly clear
Precip0 mm
Pressure1010 hPa
11 PM
13°
55°
mostly clear
Precip0 mm
Pressure1010 hPa
Portland – Thursday, September 3
12 AM
13°
55°
light rain showers
Precip0.1 mm
Pressure1010 hPa
1 AM
13°
55°
partly cloudy
Precip0 mm
Pressure1010 hPa
2 AM
13°
55°
mostly clear
Precip0 mm
Pressure1010 hPa
3 AM
13°
55°
partly cloudy
Precip0 mm
Pressure1010 hPa
4 AM
13°
55°
partly cloudy
Precip0 mm
Pressure1010 hPa
5 AM
13°
55°
light rain showers
Precip0.1 mm
Pressure1010 hPa
6 AM
12°
54°
light rain
Precip0.1 mm
Pressure1010 hPa
7 AM
12°
54°
rain
Precip0.8 mm
Pressure1010 hPa
8 AM
13°
55°
rain
Precip0.4 mm
Pressure1010 hPa
9 AM
14°
57°
rain
Precip0.3 mm
Pressure1011 hPa
10 AM
15°
59°
rain
Precip0.9 mm
Pressure1010 hPa
11 AM
15°
59°
heavy rain
Precip1 mm
Pressure1010 hPa
12 PM
15°
59°
heavy rain
Precip1 mm
Pressure1010 hPa
1 PM
14°
57°
rain
Precip0.6 mm
Pressure1010 hPa
2 PM
15°
59°
heavy rain
Precip1.5 mm
Pressure1010 hPa
3 PM
14°
57°
rain
Precip0.8 mm
Pressure1010 hPa
4 PM
15°
59°
heavy rain
Precip1.6 mm
Pressure1010 hPa
5 PM
14°
57°
light rain
Precip0.1 mm
Pressure1010 hPa
6 PM
14°
57°
light rain
Precip0.1 mm
Pressure1010 hPa
7 PM
14°
57°
cloudy
Precip0 mm
Pressure1010 hPa
8 PM
13°
55°
cloudy
Precip0 mm
Pressure1010 hPa
9 PM
13°
55°
light rain showers
Precip0.1 mm
Pressure1010 hPa
10 PM
12°
54°
light rain showers
Precip0.1 mm
Pressure1011 hPa
Hourly Temperature Trend
Data source: MET Norway — Last updated: Sep 1, 2026, 13:16 UTC