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October weather forecast in Walnut Creek

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

28 September, sun

	753 mmHg		63%
	4.4 m/s		+15

28 September, Sunday. day, 27°; night, 13°; clear

29 September, mon

	754 mmHg		65%
	4.5 m/s		+15

29 September, Monday. day, 26°; night, 12°; clear

30 September, tue

	754 mmHg		67%
	4.19 m/s		+15

30 September, Tuesday. day, 26°; night, 12°; clear

1 October, wed

	754 mmHg		62%
	4 m/s		+15

1 October, Wednesday. day, 26°; night, 13°; clear

2 October, thu

	754 mmHg		60%
	4 m/s		+14

2 October, Thursday. day, 26°; night, 13°; clear

3 October, fri

	754 mmHg		63%
	4.3 m/s		+14

3 October, Friday. day, 26°; night, 12°; clear

4 October, sat

	754 mmHg		61%
	4.6 m/s		+14

4 October, Saturday. day, 25°; night, 13°; clear

5 October, sun

	755 mmHg		60%
	4 m/s		+14

5 October, Sunday. day, 26°; night, 12°; clear

6 October, mon

	755 mmHg		61%
	3.8 m/s		+14

6 October, Monday. day, 26°; night, 12°; clear

7 October, tue

	755 mmHg		60%
	3.8 m/s		+15

7 October, Tuesday. day, 27°; night, 12°; clear

8 October, wed

	754 mmHg		64%
	3.8 m/s		+14

8 October, Wednesday. day, 26°; night, 12°; clear

9 October, thu

	754 mmHg		65%
	4.19 m/s		+14

9 October, Thursday. day, 25°; night, 12°; clear

10 October, fri

	754 mmHg		64%
	4.19 m/s		+14

10 October, Friday. day, 24°; night, 12°; clear

11 October, sat

	754 mmHg		65%
	4.1 m/s		+14

11 October, Saturday. day, 24°; night, 11°; clear

12 October, sun

	755 mmHg		57%
	4 m/s		+14

12 October, Sunday. day, 25°; night, 11°; clear

13 October, mon

	755 mmHg		57%
	3.5 m/s		+15

13 October, Monday. day, 26°; night, 12°; clear

14 October, tue

	755 mmHg		62%
	3.8 m/s		+15

14 October, Tuesday. day, 26°; night, 12°; clear

15 October, wed

	755 mmHg		63%
	4.1 m/s		+15

15 October, Wednesday. day, 25°; night, 12°; partly cloudy

16 October, thu

	755 mmHg		60%
	4.19 m/s		+14

16 October, Thursday. day, 25°; night, 12°; clear

17 October, fri

	755 mmHg		60%
	4 m/s		+14

17 October, Friday. day, 25°; night, 12°; clear

18 October, sat

	755 mmHg		65%
	3.9 m/s		+14

18 October, Saturday. day, 25°; night, 11°; clear

19 October, sun

	756 mmHg		68%
	3.8 m/s		+14

19 October, Sunday. day, 24°; night, 11°; partly cloudy

20 October, mon

	755 mmHg		69%
	3.8 m/s		+14

20 October, Monday. day, 24°; night, 11°; partly cloudy

21 October, tue

	756 mmHg		65%
	3.7 m/s		+14

21 October, Tuesday. day, 24°; night, 11°; clear

22 October, wed

	756 mmHg		65%
	3.8 m/s		+14

22 October, Wednesday. day, 23°; night, 11°; partly cloudy

23 October, thu

	756 mmHg		66%
	3.7 m/s		+14

23 October, Thursday. day, 23°; night, 10°; partly cloudy

24 October, fri

	755 mmHg		63%
	4 m/s		+14

24 October, Friday. day, 23°; night, 11°; rain

25 October, sat

	756 mmHg		64%
	4.19 m/s		+14

25 October, Saturday. day, 23°; night, 11°; rain

26 October, sun

	756 mmHg		61%
	3.9 m/s		+14

26 October, Sunday. day, 23°; night, 10°; clear

27 October, mon

	756 mmHg		63%
	3.7 m/s		+14

27 October, Monday. day, 23°; night, 10°; overcast

28 October, tue

	756 mmHg		65%
	3.9 m/s		+14

28 October, Tuesday. day, 22°; night, 10°; partly cloudy

29 October, wed

	756 mmHg		68%
	3.6 m/s		+14

29 October, Wednesday. day, 22°; night, 10°; rain

30 October, thu

	756 mmHg		69%
	3.7 m/s		+14

30 October, Thursday. day, 21°; night, 10°; partly cloudy

31 October, fri

	757 mmHg		72%
	3.4 m/s		+14

31 October, Friday. day, 21°; night, 9°; partly cloudy

1 November, sat

	757 mmHg		68%
	3.4 m/s		+14

1 November, Saturday. day, 21°; night, 10°; clear

Average data for 10 years

Walnut Creek October

19

sunny days

3

days with precipitation

2

cloudy days

19 sunny days; 3 days with precipitation; 2 cloudy days;

63

%

air humidity

2.2

m/s

WindSW

24

mm of precipitation

(5% of annual average)

+14

°C

Water temperature

air humidity 63%; 24 millimeters of precipitation (5% of annual average); Wind south-westerly 2.2 Meters per second; Water temperature +14°

Weather graphs for October

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

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

S

S

SW

S

S

SW

SW

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

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

San Francisco
Sacramento
Oakland
Redding
Monterey
San Jose
Reno
Stanford
San Luis Obispo

Cities with similar weather in October

Kemer
Batumi
Lisbon
Budva
Tokyo
New Athos
Thessaloniki
Nice
Sydney

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

In October, the weather in Walnut Creek is typically warm. Average daily high temperature in October is about 24 degrees above zero. On average, Walnut Creek has 19 sunny, 8 partly cloudy, 3 rainy, and 1 cloudy day in October. The rains are usually moderate. October as well as May, June, July, and August is considered the most comfortable time to visit Walnut Creek.

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