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January weather forecast in Portland

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

29 December, sun

	754 mmHg		73%
	4.6 m/s		+7

29 December, Sunday. day, 2°; night, -4°; partly cloudy

30 December, mon

	753 mmHg		72%
	5.1 m/s		+7

30 December, Monday. day, 1°; night, -4°; snow

31 December, tue

	755 mmHg		72%
	4.6 m/s		+7

31 December, Tuesday. day, 0°; night, -5°; overcast

1 January, wed

	755 mmHg		72%
	4.69 m/s		+6

1 January, Wednesday. day, 0°; night, -5°; clear

2 January, thu

	756 mmHg		71%
	4.5 m/s		+6

2 January, Thursday. day, 0°; night, -5°; partly cloudy

3 January, fri

	756 mmHg		72%
	4.8 m/s		+6

3 January, Friday. day, 0°; night, -6°; rain

4 January, sat

	754 mmHg		74%
	4.69 m/s		+6

4 January, Saturday. day, 0°; night, -5°; rain

5 January, sun

	753 mmHg		71%
	4.9 m/s		+6

5 January, Sunday. day, 0°; night, -5°; rain

6 January, mon

	754 mmHg		72%
	4.6 m/s		+6

6 January, Monday. day, 0°; night, -6°; overcast

7 January, tue

	754 mmHg		71%
	5 m/s		+6

7 January, Tuesday. day, 0°; night, -5°; partly cloudy

8 January, wed

	755 mmHg		69%
	4.6 m/s		+6

8 January, Wednesday. day, -1°; night, -7°; clear

9 January, thu

	754 mmHg		72%
	4.69 m/s		+6

9 January, Thursday. day, 0°; night, -6°; snow

10 January, fri

	755 mmHg		69%
	5.1 m/s		+6

10 January, Friday. day, 0°; night, -6°; clear

11 January, sat

	756 mmHg		69%
	5.2 m/s		+6

11 January, Saturday. day, 0°; night, -6°; clear

12 January, sun

	756 mmHg		74%
	5.1 m/s		+6

12 January, Sunday. day, 1°; night, -5°; rain

13 January, mon

	755 mmHg		77%
	5.3 m/s		+6

13 January, Monday. day, 2°; night, -4°; rain

14 January, tue

	757 mmHg		70%
	5.4 m/s		+6

14 January, Tuesday. day, 0°; night, -6°; clear

15 January, wed

	758 mmHg		68%
	4.5 m/s		+6

15 January, Wednesday. day, -1°; night, -7°; partly cloudy

16 January, thu

	756 mmHg		73%
	5.2 m/s		+5

16 January, Thursday. day, -1°; night, -8°; snow

17 January, fri

	755 mmHg		70%
	5.2 m/s		+5

17 January, Friday. day, 0°; night, -7°; clear

18 January, sat

	756 mmHg		73%
	4.9 m/s		+6

18 January, Saturday. day, 0°; night, -7°; snow

19 January, sun

	753 mmHg		73%
	4.8 m/s		+5

19 January, Sunday. day, 0°; night, -7°; snow

20 January, mon

	751 mmHg		71%
	5.2 m/s		+5

20 January, Monday. day, 0°; night, -5°; overcast

21 January, tue

	755 mmHg		65%
	4.9 m/s		+5

21 January, Tuesday. day, -2°; night, -8°; clear

22 January, wed

	758 mmHg		66%
	4.5 m/s		+5

22 January, Wednesday. day, -2°; night, -10°; clear

23 January, thu

	757 mmHg		70%
	4.69 m/s		+5

23 January, Thursday. day, -1°; night, -8°; overcast

24 January, fri

	754 mmHg		70%
	5.2 m/s		+5

24 January, Friday. day, 0°; night, -7°; partly cloudy

25 January, sat

	753 mmHg		69%
	5 m/s		+5

25 January, Saturday. day, 0°; night, -6°; snow

26 January, sun

	755 mmHg		66%
	4.8 m/s		+5

26 January, Sunday. day, 0°; night, -7°; clear

27 January, mon

	756 mmHg		67%
	5 m/s		+5

27 January, Monday. day, 0°; night, -8°; partly cloudy

28 January, tue

	755 mmHg		65%
	5 m/s		+5

28 January, Tuesday. day, 0°; night, -7°; partly cloudy

29 January, wed

	755 mmHg		64%
	4.9 m/s		+5

29 January, Wednesday. day, -1°; night, -8°; clear

30 January, thu

	755 mmHg		67%
	4.6 m/s		+5

30 January, Thursday. day, -1°; night, -7°; clear

31 January, fri

	756 mmHg		64%
	4.6 m/s		+5

31 January, Friday. day, 0°; night, -7°; partly cloudy

1 February, sat

	757 mmHg		68%
	4.1 m/s		+5

1 February, Saturday. day, 0°; night, -7°; partly cloudy

Average data for 10 years

Portland January

11

sunny days

10

days with precipitation

8

cloudy days

11 sunny days; 10 days with precipitation; 8 cloudy days;

70

%

air humidity

3.3

m/s

WindSW

89

mm of precipitation

(8% of annual average)

+6

°C

Water temperature

air humidity 70%; 89 millimeters of precipitation (8% of annual average); Wind south-westerly 3.3 Meters per second; Water temperature +6°

Weather graphs for January

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

SW

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

W

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Boston
Montreal
Colchester
Quebec
Laval
Brookhaven
Lake George
Berlin
Albany

Cities with similar weather in January

Helsinki
Riga
Tallinn
Stockholm
Bellingshausen Station
Oslo
Yurmala
Toronto
Palanga

The weather forecast for January 2025 is based on historical data from the past 10 years.

January in Portland is the snowiest and the most freezing month of the year. In January, the weather in Portland is typically freezing. Average daily high temperature in January is about zero. On average, Portland has 11 sunny, 9 partly cloudy, 5 snowy, 4 cloudy, and 2 rainy days in January. The snowfalls are usually heavy. January as well as February, March, April, and October is considered the most uncomfortable time to visit Portland.

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