Temperatures in October
It's pleasantly warm in October in Potomac with an average temperature of 21°C. Temperatures this month range from a low of 15°C to a high of 26°C. At night, you can expect temperatures between 5°C and 15°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Potomac in October. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of October
The month of October starts in Potomac with warm temperatures, averaging around 23°C during the day and nights close to 13°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-October
By mid-October, the average daytime temperature drops to around 21°C, with nights close to 10°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of October
By the end of October, the average daytime temperature in Potomac will be around 19°C, with nights close to 10°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
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Precipitation in October
In October, there is an average of 109 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the South.
The average precipitation chance is 25% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in October for Potomac. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Potomac in October |
London | ||
|---|---|---|---|
 Average Temperature |
21°C | 15°C | |
 High Temp |
26°C | 17°C | |
| Low Temp |
15°C | 13°C | |
 Total Precipitation |
109 mm | 115 mm | |
| Rainy Days |
8 days | 14 days | |
September
UV index
The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is October a good time to visit Potomac?
After some sun? Then October isn’t the best time to be in Potomac. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Potomac in October
With 35°C, Potomac hit the highest temperature in the last 10 years in October 2019. The lowest daytime temperature in this month was 8°C in 2018. The extreme night temperatures ranged from a low of -2°C to a high of 24°C.
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Daily Temperature in October in Potomac
This chart shows the average daily temperatures, both day and night, for each day in October in Potomac, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in October in Potomac
The chart below shows the average daily precipitation in October for Potomac, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for October, you can expect around 8 days of rain in Potomac.
Daily UV Index in October in Potomac
This chart shows the average daily UV index in October in Potomac, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in October in Potomac Over the Years
This chart shows the average temperature in October in Potomac, measured in degrees Celsius, over the past years.
Total Precipitation in October in Potomac Over the Years
This chart shows the average precipitation in October in Potomac, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in October for Potomac
Click on a specific day in October for detailed info on the typical weather on that day in Potomac. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in October in Potomac
Have you been to Potomac in October?
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Average Weather in Potomac by Month
Click on a month below to see detailed weather info for Potomac. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
