As of 03:21 PDT

Portland, OR weather in December

60°

Portland, Sunday, 9 August, 03:21

Mostly clear. Feels like 60°. High 85°, low 58°.

Pressure30.06 inHg

Wind2 mph N

Humidity74%

Visibility6.2 mi

Dew point52°

See detailed hourly forecast

In December, Portland, OR averages a high of 45.3° and a low of 34.9°. About 7.9 inches of precipitation fall over the month (18 wet days). The record high is 61.3° (1980) and the record low 0.7° (1972). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	46.8°	36.7°	60%	55.4° (2021)	20.5° (1985)
2	47.3°	37.4°	65%	56.5° (1975)	20.1° (1985)
3	47.3°	36.7°	58%	57° (2023)	25° (1992)
4	46.4°	36°	55%	60.4° (2023)	21° (1994)
5	46°	35.2°	47%	60.3° (2023)	21° (2013)
6	45.9°	36.1°	60%	56.7° (2023)	20.5° (1972)
7	45°	36°	48%	55.9° (1962)	10.4° (1972)
8	45.9°	34.9°	52%	57.7° (1962)	0.7° (1972)
9	45.5°	34.9°	67%	55.8° (2014)	4.3° (1972)
10	46°	36.1°	68%	59.5° (2025)	7° (1972)
11	46°	35.6°	62%	58.8° (2025)	10.6° (1972)
12	45.9°	36.1°	60%	57.4° (2025)	19.2° (1972)
13	45.3°	35.4°	62%	55.6° (1977)	2.5° (1972)
14	45.5°	35.6°	63%	56.1° (1962)	23.4° (1972)
15	45.5°	34.5°	57%	60.1° (2025)	19° (1972)
16	46.4°	35.4°	48%	59.2° (1980)	13.1° (1964)
17	46°	35.2°	52%	57° (1994)	9.3° (1964)
18	45.5°	34.9°	50%	57.7° (2004)	15.1° (1964)
19	45°	34.2°	65%	55.2° (2025)	17.8° (1990)
20	44.1°	35.2°	70%	55.4° (1994)	10.8° (1990)
21	44.8°	34°	62%	57.4° (2020)	5.9° (1990)
22	44.1°	33.8°	65%	55° (1964)	7.3° (1990)
23	44.6°	33.6°	52%	53.8° (1963)	9.7° (1983)
24	44.6°	33.8°	50%	58.5° (2005)	10.6° (1983)
25	44.4°	33.4°	60%	57° (1980)	15.4° (1983)
26	44.8°	34.2°	60%	61.3° (1980)	24.1° (1985)
27	45°	34.7°	62%	55° (1980)	23.2° (1971)
28	43.9°	34°	63%	54.1° (1963)	15.6° (1983)
29	43.5°	33.1°	57%	52.9° (2017)	9.9° (1990)
30	44.6°	33.1°	52%	59.2° (1980)	10.9° (1968)
31	43.5°	32.9°	57%	58.1° (1980)	10.8° (1968)