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Weather in San Diego, California for October 2026

Your guide to San Diego weather in October - trends and predictions

    Temperatures

  • So far, October 2026 in San Diego shows a warmer trend than usual by 3.3 °C.

  • Expect cooler weather in the next days in San Diego with the forecast suggesting a temperature of 21.2 °C, lower than the historical average.

  • In general, the average temperature in San Diego at the beginning of October is 24.8 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.1 °C by the end of October.

    • Rain 🌧️

  • With an average of 2 rainy days, San Diego experiences minimal rainfall in October.

    • More

  • Is October a good time to visit San Diego? check out the best time to travel to San Diego page.

  • ✨ Is October a good time to visit San Diego? – Ask the AI Weatherman

Average dry days
29
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/16°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
70 %
Avg humidity

San Diego Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
23°
2
Partly cloudy
25°
3
Partly cloudy
25°
4
Partly cloudy
25°
5
Partly cloudy
25°
6
Partly cloudy
25°
7
Partly cloudy
25°
8
Partly cloudy
24°
9
Partly cloudy
23°
10
Light rain
24°
11
Light rain
21°
12
Cloudy
20°
13
Overcast
20°
14
Light rain
21°
15
Patchy rain possible
23°
16
Overcast
25°
17
Overcast
23°
18
Partly cloudy
22°
19
Sunny
25°
20
Partly cloudy
24°
21
Patchy rain possible
22°
22
Patchy rain possible
21°
23
Light rain shower
20°
24
Overcast
21°
25
Partly cloudy
21°
26
Sunny
22°
27
Sunny
22°
28
Overcast
22°
29
Overcast
21°
30
Patchy rain possible
21°
31
Light rain
20°

Temperatures trend during October in San Diego

See the weather trend as well as the moving average line

October weather in San Diego day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Patchy rain possible
Patchy rain possible
 23° /16° 0.1 mm 6
Oct. 2 Partly cloudy
Partly cloudy
 25° /16° 0 mm 6
Oct. 3 Partly cloudy
Partly cloudy
 25° /18° 0 mm 6
Oct. 4 Partly cloudy
Partly cloudy
 25° /19° 0 mm 6
Oct. 5 Partly cloudy
Partly cloudy
 25° /19° 0 mm 6
Oct. 6 Partly cloudy
Partly cloudy
 25° /19° 0 mm 6
Oct. 7 Partly cloudy
Partly cloudy
 25° /18° 0 mm 6
Oct. 8 Partly cloudy
Partly cloudy
 24° /18° 0 mm 6
Oct. 9 Partly cloudy
Partly cloudy
 23° /18° 0 mm 6
Oct. 10 Light rain
Light rain
 24° /19° 3.8 mm 5
Oct. 11 Light rain
Light rain
 21° /17° 7.5 mm 4
Oct. 12 Cloudy
Cloudy
 20° /15° 0.9 mm 4
Oct. 13 Overcast
Overcast
 20° /15° 0 mm 5
Oct. 14 Light rain
Light rain
 21° /16° 8.1 mm 5
Oct. 15 Patchy rain possible
Patchy rain possible
 23° /16° 1.2 mm 6
Oct. 16 Overcast
Overcast
 25° /17° 0 mm 5.9
Oct. 17 Overcast
Overcast
 23° /18° 0 mm 5
Oct. 18 Partly cloudy
Partly cloudy
 22° /16° 0 mm 5
Oct. 19 Sunny
Sunny
 25° /17° 0 mm 5.7
Oct. 20 Partly cloudy
Partly cloudy
 24° /17° 0 mm 5.6
Oct. 21 Patchy rain possible
Patchy rain possible
 22° /16° 1.3 mm 5
Oct. 22 Patchy rain possible
Patchy rain possible
 21° /17° 1.2 mm 4
Oct. 23 Light rain shower
Light rain shower
 20° /16° 1.4 mm 4
Oct. 24 Overcast
Overcast
 21° /16° 0 mm 5
Oct. 25 Partly cloudy
Partly cloudy
 21° /15° 0 mm 5
Oct. 26 Sunny
Sunny
 22° /17° 0 mm 5
Oct. 27 Sunny
Sunny
 22° /18° 0 mm 5.1
Oct. 28 Overcast
Overcast
 22° /18° 0 mm 4.4
Oct. 29 Overcast
Overcast
 21° /19° 0.1 mm 4.7
Oct. 30 Patchy rain possible
Patchy rain possible
 21° /19° 0.3 mm 3.3
Oct. 31 Light rain
Light rain
 20° /18° 4.2 mm 5
Next
Important Notice
Our weather forecast for San Diego in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Diego forecast closer to your planned date for the most up-to-date weather information.
Change Month
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San Diego in October - FAQ

What are the expected maximum and minimum temperatures in San Diego during October?
During October, expect a variety of temperatures with highs around 23° and lows near 16°, suitable for diverse activities and preferences.

How much rainfall should be expected in San Diego during October?
In October, San Diego can expect light to moderate rainfall, totaling 22.3 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in San Diego during October?
The average wind speed in San Diego during October is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in San Diego

Explore the daily rainfall trends and prepare for San Diegos October weather 💧
Typically, San Diego has 2 rainy days in October with a total of 22.3 mm of rainfall.

UV exposure in San Diego during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Location coordinates Where is San Diego?

Get accurate weather forecasts for San Diego, located at latitude 32.716 and longitude -117.165. Stay updated with localized weather information tailored for San Diego.

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