October weather forecast
California, USA

October in California brings more distinct signs of autumn, with temperatures continuing to cool and subtle changes in precipitation patterns. The state's diverse climate zones lead to a variety of weather experiences during this month.

In coastal regions such as San Francisco and Los Angeles, temperatures generally range from 60°F (15.6°C) to 70°F (21.1°C). The influence of the Pacific Ocean keeps these areas mild, but a noticeable cooling compared to September is evident.

Inland areas and the Sierra Nevada mountains experience temperatures between 40°F (4.4°C) to 50°F (10°C). The cooling trend is more pronounced here, with crisp nights and mild days typical of the fall season.

Desert regions like Death Valley continue to cool from their summer highs, with temperatures ranging from 80°F (26.7°C) to 90°F (32.2°C). The extreme heat of summer has passed, and more temperate conditions prevail.

Precipitation starts to increase in October, particularly in the northern regions. Rainfall remains relatively low, but the shift towards the wetter winter season becomes more apparent.

Comparing October to September, a continued cooling trend is evident across California. Coastal areas remain mild but are noticeably cooler, while inland and desert regions see a more marked transition towards autumn conditions. October's weather is characterized by clear, crisp days and cooler nights, and the increase in precipitation in the north hints at the wetter months to come. The shift from the warmth of summer to the mild conditions of fall is well underway, making October a month of pleasant, transitional weather in California. The state's varied geography and climate zones create a complex weather pattern, with each region experiencing October's changes in its own unique way.

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• Los Angeles - October »
  On the last day of October, in Los Angeles sunrise is at 7:11 am and sunset at 6:01 pm PDT. Los Angeles, California, unmistakably eases into Autumn during October, with a noticeable reduction in temperature and a slight increase in rainfall.
• San Francisco - October »
  The least humid month in San Francisco, California, is October, with an average relative humidity of 67%. On the first day of October in San Francisco sunrise is at 7:05 am and sunset at 6:53 pm.
• San Diego - October »
  In San Diego in October, during 3.4 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. October in San Diego is characterized by cooling temperatures, shorter daylight hours, and a slight increase in rainfall, measuring at 0.31" (8mm).
• San Jose - October »
  In San Jose, in October, during 2.5 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. In San Jose, in October, it is raining for 2.5 days, with typically 0.16" (4mm) of accumulated precipitation.
• Sacramento - October »
  In Sacramento, in October, during 3.4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. On the last day of October, in Sacramento, sunrise is at 7:31 am and sunset at 6:07 pm PDT.
• Fresno - October »
  In Fresno in October, it is raining for 3.2 days, with typically 0.43" (11mm) of accumulated precipitation. On the first day of October in Fresno, California, sunrise is at 6:54 am and sunset at 6:43 pm.
• Long Beach - October »
  October carries forward the lovely onset of autumn in Long Beach, California, with moderate temperatures that are neither too hot nor too cold. On the first day of October in Long Beach, sunrise is at 6:47 am and sunset at 6:37 pm.
• Oakland - October »
  With an average relative humidity of 67%, October is the least humid month in Oakland, California. On the first day of October in Oakland sunrise is at 7:04 am and sunset at 6:52 pm.
• Bakersfield - October »
  On the first day of October in Bakersfield sunrise is at 6:50 am and sunset at 6:40 pm. On the last day of October, in Bakersfield, sunrise is at 7:16 am and sunset at 6:02 pm PDT.
• Anaheim - October »
  On the last day of October, in Anaheim sunrise is at 7:10 am and sunset at 6:00 pm PDT. In Anaheim during October, the rain falls for 3.5 days and regularly aggregates up to 0.28" (7mm) of precipitation.
• Santa Ana - October »
  On the first day of October in Santa Ana, sunrise is at 6:45 am and sunset at 6:36 pm. On the first day of October in Santa Ana, sunrise is at 6:45 am and sunset at 6:36 pm.
• Riverside - October »
  On the first day of October in Riverside, sunrise is at 6:44 am and sunset at 6:34 pm. In Riverside, in October, it is raining for 2.6 days, with typically 0.2" (5mm) of accumulated precipitation.