As of 01:32 PDT

Portland, OR weather in May

64°

Portland, Sunday, 9 August, 01:32

Clear. Feels like 63°. High 85°, low 57°.

Pressure30.06 inHg

Wind3 mph W

Humidity66%

Visibility6.2 mi

Dew point52°

See detailed hourly forecast

In May, Portland, OR averages a high of 65.7° and a low of 47.1°. About 2.8 inches of precipitation fall over the month (12 wet days). The record high is 100.6° (1983) and the record low 32.4° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	63.1°	44.1°	35%	82.8° (2014)	35.2° (1988)
2	62.6°	45.3°	47%	81.7° (2016)	33.1° (1964)
3	63°	44.8°	52%	85.6° (1992)	34.9° (1964)
4	63.5°	44.4°	50%	88.7° (1966)	36.3° (1996)
5	63.5°	45.1°	43%	90.1° (1992)	33.4° (1965)
6	63.5°	45.5°	42%	92.1° (1987)	32.4° (1965)
7	64.6°	44.8°	38%	93.6° (1987)	33.4° (2002)
8	64.2°	45°	32%	89.2° (1987)	33.8° (1999)
9	64°	45.3°	30%	83.8° (1987)	33.8° (1999)
10	64.4°	45.3°	37%	83.7° (2024)	36° (1999)
11	65.1°	46°	32%	86.7° (1997)	35.6° (1985)
12	65.3°	46.2°	30%	83.1° (2023)	37.2° (2011)
13	66.4°	46.4°	40%	88.5° (1973)	33.6° (2022)
14	66.6°	47.8°	40%	86.2° (2023)	37° (1964)
15	66.2°	47.5°	38%	91.8° (2006)	37.2° (1974)
16	66.2°	47.5°	32%	90.3° (2008)	38.8° (1966)
17	65.8°	47.8°	32%	85.6° (2023)	37.4° (2003)
18	65.7°	47.8°	33%	82.4° (2006)	36.9° (2003)
19	65.7°	47.8°	45%	83.8° (1963)	35.4° (2003)
20	65.7°	47.5°	35%	88.5° (1963)	38.5° (2022)
21	66°	47.5°	35%	86.5° (1988)	38.3° (1960)
22	66°	47.7°	35%	88.3° (2001)	34.2° (1960)
23	66.4°	48.4°	40%	86.5° (1983)	36.1° (1964)
24	67.5°	48.9°	33%	92.3° (1992)	40.6° (1975)
25	67.8°	49.1°	40%	84.2° (1979)	36° (1964)
26	67.1°	49.6°	43%	84.2° (2005)	39.9° (2011)
27	67.1°	49.3°	38%	89.8° (1983)	41.2° (1966)
28	67.8°	49.6°	40%	100.6° (1983)	38.8° (1998)
29	68°	49.8°	32%	87.6° (1983)	40.5° (1988)
30	68.9°	48.9°	30%	92.8° (1986)	41° (1988)
31	69.8°	49.8°	28%	91.4° (1986)	41.5° (1966)