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April weather forecast in Friday Harbor

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

30 March, sun

	761 mmHg		79%
	6.7 m/s		+10

30 March, Sunday. day, 9°; night, 7°; partly cloudy

31 March, mon

	762 mmHg		79%
	6.3 m/s		+10

31 March, Monday. day, 9°; night, 6°; clear

1 April, tue

	762 mmHg		77%
	6.1 m/s		+10

1 April, Tuesday. day, 9°; night, 6°; clear

2 April, wed

	762 mmHg		76%
	6.6 m/s		+10

2 April, Wednesday. day, 9°; night, 6°; clear

3 April, thu

	761 mmHg		77%
	6.4 m/s		+10

3 April, Thursday. day, 9°; night, 6°; overcast

4 April, fri

	761 mmHg		77%
	6.3 m/s		+10

4 April, Friday. day, 9°; night, 7°; rain

5 April, sat

	760 mmHg		77%
	6.9 m/s		+10

5 April, Saturday. day, 9°; night, 7°; rain

6 April, sun

	760 mmHg		80%
	7 m/s		+10

6 April, Sunday. day, 9°; night, 7°; rain

7 April, mon

	760 mmHg		81%
	6.7 m/s		+10

7 April, Monday. day, 9°; night, 7°; rain

8 April, tue

	760 mmHg		78%
	6.8 m/s		+10

8 April, Tuesday. day, 10°; night, 7°; partly cloudy

9 April, wed

	762 mmHg		78%
	6.4 m/s		+10

9 April, Wednesday. day, 9°; night, 7°; partly cloudy

10 April, thu

	762 mmHg		79%
	6.5 m/s		+10

10 April, Thursday. day, 9°; night, 7°; rain

11 April, fri

	761 mmHg		78%
	6.9 m/s		+11

11 April, Friday. day, 9°; night, 7°; rain

12 April, sat

	760 mmHg		77%
	6.8 m/s		+11

12 April, Saturday. day, 10°; night, 7°; rain

13 April, sun

	760 mmHg		77%
	7.6 m/s		+11

13 April, Sunday. day, 9°; night, 7°; rain

14 April, mon

	761 mmHg		76%
	6.4 m/s		+11

14 April, Monday. day, 9°; night, 7°; partly cloudy

15 April, tue

	762 mmHg		76%
	6.5 m/s		+11

15 April, Tuesday. day, 9°; night, 7°; partly cloudy

16 April, wed

	761 mmHg		77%
	6.7 m/s		+11

16 April, Wednesday. day, 10°; night, 7°; overcast

17 April, thu

	762 mmHg		78%
	5.9 m/s		+11

17 April, Thursday. day, 10°; night, 8°; rain

18 April, fri

	763 mmHg		78%
	6.2 m/s		+11

18 April, Friday. day, 10°; night, 8°; partly cloudy

19 April, sat

	763 mmHg		78%
	6 m/s		+11

19 April, Saturday. day, 10°; night, 8°; partly cloudy

20 April, sun

	762 mmHg		77%
	5.8 m/s		+11

20 April, Sunday. day, 10°; night, 8°; clear

21 April, mon

	763 mmHg		79%
	6 m/s		+11

21 April, Monday. day, 11°; night, 8°; clear

22 April, tue

	763 mmHg		78%
	6.1 m/s		+11

22 April, Tuesday. day, 11°; night, 8°; clear

23 April, wed

	762 mmHg		78%
	6.4 m/s		+11

23 April, Wednesday. day, 11°; night, 8°; rain

24 April, thu

	762 mmHg		78%
	6.1 m/s		+11

24 April, Thursday. day, 11°; night, 8°; rain

25 April, fri

	762 mmHg		78%
	6.2 m/s		+11

25 April, Friday. day, 11°; night, 8°; partly cloudy

26 April, sat

	762 mmHg		79%
	6 m/s		+11

26 April, Saturday. day, 11°; night, 8°; clear

27 April, sun

	761 mmHg		77%
	6.7 m/s		+11

27 April, Sunday. day, 11°; night, 8°; rain

28 April, mon

	762 mmHg		78%
	5.8 m/s		+11

28 April, Monday. day, 11°; night, 8°; partly cloudy

29 April, tue

	763 mmHg		77%
	5.6 m/s		+11

29 April, Tuesday. day, 11°; night, 9°; clear

30 April, wed

	763 mmHg		77%
	5.8 m/s		+12

30 April, Wednesday. day, 11°; night, 9°; clear

1 May, thu

	763 mmHg		77%
	5.6 m/s		+12

1 May, Thursday. day, 12°; night, 9°; partly cloudy

2 May, fri

	761 mmHg		77%
	5.7 m/s		+12

2 May, Friday. day, 12°; night, 9°; partly cloudy

3 May, sat

	761 mmHg		79%
	6.3 m/s		+12

3 May, Saturday. day, 11°; night, 9°; rain

Average data for 10 years

Friday Harbor April

8

sunny days

12

days with precipitation

10

cloudy days

8 sunny days; 12 days with precipitation; 10 cloudy days;

78

%

air humidity

4.1

m/s

WindS

74

mm of precipitation

(7% of annual average)

+11

°C

Water temperature

air humidity 78%; 74 millimeters of precipitation (7% of annual average); Wind southerly 4.1 Meters per second; Water temperature +11°

Weather graphs for April

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

SW

SW

S

S

S

S

S

SW

SW

S

S

SW

S

SW

S

S

S

S

S

S

S

SW

SW

SW

S

S

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

Daytime temperature

Night-time temperature

Cities near you

Vancouver
Seattle
Portland
Salem
Victoria
Vancouver
Mount Ranier National Park
Courtenay
Kelowna

Cities with similar weather in April

Gagra
Suhum
Baku
Pitsunda
New York
Varna
The Sunny Beach
Aktau
The Golden Sands

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

In April, the weather in Friday Harbor is typically warm. Average daily high temperature in April is about 10 degrees above zero. On average, Friday Harbor has 12 rainy, 8 sunny, 8 partly cloudy, and 2 cloudy days in April. The rains are usually moderate. April as well as January, February, March, and October is considered the most uncomfortable time to visit Friday Harbor.

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