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July weather forecast in Duncan

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 June, sun

	744 mmHg		67%
	2.7 m/s		+13

29 June, Sunday. day, 23°; night, 14°; partly cloudy

30 June, mon

	744 mmHg		66%
	2.4 m/s		+13

30 June, Monday. day, 23°; night, 14°; clear

1 July, tue

	744 mmHg		64%
	2.5 m/s		+13

1 July, Tuesday. day, 23°; night, 13°; rain

2 July, wed

	744 mmHg		65%
	2.6 m/s		+14

2 July, Wednesday. day, 23°; night, 13°; rain

3 July, thu

	743 mmHg		66%
	2.5 m/s		+13

3 July, Thursday. day, 23°; night, 13°; rain

4 July, fri

	744 mmHg		66%
	2.5 m/s		+13

4 July, Friday. day, 22°; night, 13°; overcast

5 July, sat

	744 mmHg		66%
	2.5 m/s		+13

5 July, Saturday. day, 23°; night, 13°; partly cloudy

6 July, sun

	744 mmHg		64%
	2.6 m/s		+13

6 July, Sunday. day, 24°; night, 13°; clear

7 July, mon

	744 mmHg		66%
	2.7 m/s		+13

7 July, Monday. day, 24°; night, 14°; partly cloudy

8 July, tue

	744 mmHg		67%
	2.6 m/s		+14

8 July, Tuesday. day, 23°; night, 14°; rain

9 July, wed

	744 mmHg		67%
	2.3 m/s		+13

9 July, Wednesday. day, 24°; night, 14°; partly cloudy

10 July, thu

	744 mmHg		66%
	2.6 m/s		+13

10 July, Thursday. day, 24°; night, 14°; rain

11 July, fri

	744 mmHg		65%
	2.6 m/s		+13

11 July, Friday. day, 24°; night, 14°; clear

12 July, sat

	744 mmHg		65%
	2.5 m/s		+13

12 July, Saturday. day, 24°; night, 14°; clear

13 July, sun

	744 mmHg		64%
	2.6 m/s		+13

13 July, Sunday. day, 24°; night, 14°; partly cloudy

14 July, mon

	745 mmHg		66%
	2.6 m/s		+13

14 July, Monday. day, 24°; night, 14°; partly cloudy

15 July, tue

	744 mmHg		67%
	2.5 m/s		+13

15 July, Tuesday. day, 24°; night, 14°; rain

16 July, wed

	744 mmHg		65%
	2.6 m/s		+13

16 July, Wednesday. day, 24°; night, 14°; clear

17 July, thu

	743 mmHg		65%
	2.7 m/s		+13

17 July, Thursday. day, 25°; night, 15°; partly cloudy

18 July, fri

	744 mmHg		66%
	2.8 m/s		+13

18 July, Friday. day, 24°; night, 14°; clear

19 July, sat

	744 mmHg		66%
	2.6 m/s		+13

19 July, Saturday. day, 24°; night, 14°; clear

20 July, sun

	744 mmHg		65%
	2.5 m/s		+13

20 July, Sunday. day, 25°; night, 15°; clear

21 July, mon

	744 mmHg		64%
	2.7 m/s		+13

21 July, Monday. day, 26°; night, 14°; clear

22 July, tue

	744 mmHg		65%
	2.8 m/s		+13

22 July, Tuesday. day, 25°; night, 15°; partly cloudy

23 July, wed

	745 mmHg		65%
	2.7 m/s		+13

23 July, Wednesday. day, 25°; night, 15°; partly cloudy

24 July, thu

	745 mmHg		63%
	2.7 m/s		+13

24 July, Thursday. day, 25°; night, 15°; clear

25 July, fri

	744 mmHg		62%
	2.4 m/s		+13

25 July, Friday. day, 25°; night, 15°; clear

26 July, sat

	744 mmHg		63%
	2.3 m/s		+13

26 July, Saturday. day, 26°; night, 15°; clear

27 July, sun

	744 mmHg		63%
	2.4 m/s		+13

27 July, Sunday. day, 26°; night, 15°; clear

28 July, mon

	744 mmHg		64%
	2.5 m/s		+13

28 July, Monday. day, 26°; night, 15°; clear

29 July, tue

	744 mmHg		63%
	2.4 m/s		+13

29 July, Tuesday. day, 26°; night, 15°; clear

30 July, wed

	744 mmHg		61%
	2.4 m/s		+13

30 July, Wednesday. day, 26°; night, 15°; clear

31 July, thu

	744 mmHg		62%
	2.5 m/s		+13

31 July, Thursday. day, 26°; night, 15°; clear

1 August, fri

	744 mmHg		63%
	2.6 m/s		+13

1 August, Friday. day, 25°; night, 14°; clear

2 August, sat

	744 mmHg		65%
	2.5 m/s		+13

2 August, Saturday. day, 25°; night, 14°; clear

Average data for 10 years

Duncan July

16

sunny days

6

days with precipitation

3

cloudy days

16 sunny days; 6 days with precipitation; 3 cloudy days;

65

%

air humidity

1.5

m/s

WindS

35

mm of precipitation

(3% of annual average)

+13

°C

Water temperature

air humidity 65%; 35 millimeters of precipitation (3% of annual average); Wind southerly 1.5 Meters per second; Water temperature +13°

Weather graphs for July

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

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S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

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

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28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

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

Cities with similar weather in July

Tallinn
Oslo
San Francisco
Palanga
Looe
Klaipeda
Bergen
Brisbane
Anchorage

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

July in Duncan is the sunniest and the warmest month of the year. In July, the weather in Duncan is typically warm. Average daily high temperature in July is about 24 degrees above zero. On average, Duncan has 16 sunny, 8 partly cloudy, 6 rainy, and 1 cloudy day in July. The rains are usually light. July as well as August is considered the most comfortable time to visit Duncan.

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