Average Weather in October in Poway California, United States
Daily high temperatures decrease by 5°F, from 80°F to 75°F, rarely falling below 66°F or exceeding 91°F.
Daily low temperatures decrease by 7°F, from 59°F to 52°F, rarely falling below 46°F or exceeding 64°F.
For reference, on August 24, the hottest day of the year, temperatures in Poway typically range from 64°F to 85°F, while on December 25, the coldest day of the year, they range from 43°F to 65°F.
Average High and Low Temperature in October
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on October. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in October
Nouaseur, Morocco (5,962 miles away); Kraaifontein, South Africa (9,915 miles); and Pinjarra, Australia (9,408 miles) are the far-away foreign places with temperatures most similar to Poway (view comparison).
The month of October in Poway experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 14% to 26%.
The clearest day of the month is October 1, with clear, mostly clear, or partly cloudy conditions 86% of the time.
For reference, on February 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 44%, while on September 7, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 90%.
Cloud Cover Categories in October
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Poway, the chance of a wet day over the course of October is gradually increasing, starting the month at 4% and ending it at 7%.
For reference, the year's highest daily chance of a wet day is 21% on February 22, and its lowest chance is 1% on June 26.
Probability of Precipitation in October
The average sliding 31-day rainfall during October in Poway is gradually increasing, starting the month at 0.3 inches, when it rarely exceeds 1.1 inches or falls below -0.0 inches, and ending the month at 0.7 inches, when it rarely exceeds 1.8 inches.
Average Monthly Rainfall in October
Over the course of October in Poway, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 58 minutes, implying an average daily decrease of 1 minute, 56 seconds, and weekly decrease of 13 minutes, 30 seconds.
The shortest day of the month is October 31, with 10 hours, 52 minutes of daylight and the longest day is October 1, with 11 hours, 50 minutes of daylight.
Hours of Daylight and Twilight in October
The earliest sunrise of the month in Poway is 6:42 AM on October 1 and the latest sunrise is 23 minutes later at 7:05 AM on October 31.
The latest sunset is 6:32 PM on October 1 and the earliest sunset is 35 minutes earlier at 5:57 PM on October 31.
Daylight saving time is observed in Poway during 2018, but it neither starts nor ends during October, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:40 AM and sets 14 hours, 20 minutes later, at 7:59 PM, while on December 21, the shortest day of the year, it rises at 6:47 AM and sets 9 hours, 59 minutes later, at 4:45 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in October
The chance that a given day will be muggy in Poway is essentially constant during October, remaining within 1% of 1% throughout.
For reference, on August 22, the muggiest day of the year, there are muggy conditions 4% of the time, while on November 3, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in October
The average hourly wind speed in Poway is essentially constant during October, remaining within 0.2 miles per hour of 6.3 miles per hour throughout.
For reference, on April 11, the windiest day of the year, the daily average wind speed is 8.1 miles per hour, while on September 9, the calmest day of the year, the daily average wind speed is 5.9 miles per hour.
Average Wind Speed in October
Wind Direction in October
Poway is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Poway is gradually decreasing during October, falling by 3°F, from 68°F to 66°F, over the course of the month.
Average Water Temperature in October
Temperatures in Poway are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.
Time Spent in Various Temperature Bands and the Growing Season in October
The average accumulated growing degree days in Poway are rapidly increasing during October, increasing by 457°F, from 3,740°F to 4,198°F, over the course of the month.
Growing Degree Days in October
The average daily incident shortwave solar energy in Poway is decreasing during October, falling by 1.4 kWh, from 5.8 kWh to 4.4 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in October
For the purposes of this report, the geographical coordinates of Poway are 32.963 deg latitude, -117.036 deg longitude, and 728 ft elevation.
The topography within 2 miles of Poway contains very significant variations in elevation, with a maximum elevation change of 833 feet and an average elevation above sea level of 648 feet. Within 10 miles contains very significant variations in elevation (2,792 feet). Within 50 miles contains large variations in elevation (6,804 feet).
The area within 2 miles of Poway is covered by artificial surfaces (72%) and shrubs (23%), within 10 miles by shrubs (44%) and artificial surfaces (29%), and within 50 miles by shrubs (46%) and water (31%).
This report illustrates the typical weather in Poway year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Poway.
For each station, the records are corrected for the elevation difference between that station and Poway according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Poway is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Poway and a given station.
The stations contributing to this reconstruction are: Ramona Airport (20%, 14 kilometers, northeast); Miramar Marine Corps Air Station (38%, 14 kilometers, southwest); Gillespie Field (28%, 16 kilometers, south); and McClellan–Palomar Airport (14%, 29 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .