Weather in Silicon Valley in october 2025

The weather in Silicon Valley in the month of october comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.

Average weather throughout october

perfect weather UV index: 6

Weather at 6am
59°F

Partly Cloudy

14%

Moderate rain at times

5%

Fog

5%

Weather at 12pm
77°F

Partly Cloudy

12%

Moderate rain at times

6%

Cloudy

5%

Weather at 6pm
65°F

Partly Cloudy

13%

Moderate rain at times

4%

Cloudy

4%

Weather at 3am
59°F

Clear/Sunny

72%

Partly Cloudy

12%

Fog

8%

Cloudy

6%



Evolution of daily average temperature and precipitation in Silicon Valley in october

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Silicon Valley in october.


The climate of Silicon Valley in october is perfect

The climate in october in Silicon Valley is dry ; it does not rain often (0.7in of rainfall over 1 days).

The climate comfortable there this month. The thermometer averaged maximum of 77°F. On average, the recorded minimum temperature is 59°F. Thus, the mean temperature average in october in Silicon Valley is 68°F. Note that these seasonal averages are in contrast with those observed in Silicon Valley in the month of october with a maximum record of 99°F in 2012 and a minimum record of 45°F in 2009. You You can hope to have about 5 days with temperatures above 86°F, or 16 of time.

On average, in Silicon Valley, the days of october last 11:15. The sun rises at 06:16 and sets at 17:31.

With ideal weather conditions, this month is recommended to go in this city.



Seasonal average climate and temperature of Silicon Valley in october

Check below seasonal norms These datas are generated from the weather statements earlier years of the month of october.

October
Outside temperature
Average temperature 68°F
Highest temperature 77°F
Lowest temperature 59°F
Highest record temperature 99°F
(2012)
Lowest record temperature 45°F
(2009)
Number of days at +86°F 5 day(s)
(16%)
Number of days at +65°F 29 day(s)
(94%)
Wind
Wind speed 14km/h
Wind temperature 59°F
Precipitation (rainfall)
Rainfall 0.7in
Number of days with rainfall 1 day(s)
(3%)
Record daily rainfall 2in
(2009)
Other climate data
Humidity 70%
Visibility 9.58km
Cloud cover 15%
UV index 6
Daily sunshine hours 9
Sunrise and sunset
Time of sunrise 06:16
Time of sunset 17:31
Length of day 11:15
Our opinion about the weather in october
Our opinion at whereandwhen.net perfect



How was the weather last october?

Here is the day by day recorded weather in Silicon Valley in october 2024:

01-10-2024
Clear/Sunny
72°F to 103°F
02-10-2024
Clear/Sunny
77°F to 104°F
03-10-2024
Clear/Sunny
74°F to 103°F
04-10-2024
Clear/Sunny
76°F to 97°F
05-10-2024
Partly Cloudy
70°F to 95°F
06-10-2024
Clear/Sunny
72°F to 95°F
07-10-2024
Clear/Sunny
68°F to 94°F
08-10-2024
Clear/Sunny
56°F to 81°F
09-10-2024
Clear/Sunny
56°F to 83°F
10-10-2024
Cloudy
58°F to 81°F
11-10-2024
Clear/Sunny
50°F to 74°F
12-10-2024
Partly Cloudy
54°F to 72°F
13-10-2024
Overcast
58°F to 68°F
14-10-2024
Cloudy
56°F to 67°F
15-10-2024
Overcast
56°F to 68°F
16-10-2024
Partly Cloudy
59°F to 72°F
17-10-2024
Overcast
54°F to 59°F
18-10-2024
Clear/Sunny
47°F to 72°F
19-10-2024
Clear/Sunny
52°F to 81°F
20-10-2024
Clear/Sunny
58°F to 83°F
21-10-2024
Clear/Sunny
56°F to 76°F
22-10-2024
Clear/Sunny
52°F to 72°F
23-10-2024
Clear/Sunny
47°F to 74°F
24-10-2024
Clear/Sunny
52°F to 77°F
25-10-2024
Overcast
59°F to 76°F
26-10-2024
Clear/Sunny
54°F to 77°F
27-10-2024
Clear/Sunny
58°F to 74°F
28-10-2024
Overcast
52°F to 59°F
29-10-2024
Clear/Sunny
47°F to 61°F
30-10-2024
Clear/Sunny
47°F to 61°F
31-10-2024
Partly Cloudy
54°F to 65°F

Map: other cities in California in october

Cities near Silicon Valley:

San Jose in octoberperfect weather
Pescadero in octoberperfect weather
Half Moon Bay in octobergood weather
Moss Beach in octobergood weather
Santa Cruz California in octoberperfect weather
Oakland in octoberperfect weather
San Francisco in octoberperfect weather
Golden Gate National Recreation Area in octoberperfect weather
Stinson Beach in octoberperfect weather
Pacific Grove in octoberperfect weather
Stockton in octoberperfect weather
Carmel-by-the-Sea in octobergood weather
California in october: See full list of cities

Click over cities on the map for information about the weather in october.

Legend: Silicon Valley perfect weather good tolerable bad very bad


Weather data for Silicon Valley in october:

Weather data for Silicon Valley for october are derived from an average of the weather forecast since 2009 in Silicon Valley. There is a margin of error and these forecasts are to be considered as general information only. The weather in Silicon Valley can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Silicon Valley.


Weather in september in Silicon Valley
Weather in november in Silicon Valley
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