Weather forecast for todayPotomac, MD

Weather forecast for today

Current condition 3:01 pm EDT

  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 6mphNNW 340°
  • Humidity: 37%
  • Dewpoint: 43°F
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
At the moment, sunlight is abundant, and the weather remains pleasant.
The temperature is an agreeable 69.8°F. The current temperature is almost at the maximum of today's predicted 71.6°F.

Tuesday Oct 20, 2026

  • 72°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphN 1°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:23 am EDT
  • Sunset: 6:23 pm EDT
  • ▼
On Tuesday, in Potomac, expect sunny weather with a crisp, clear sky.
The peak daytime temperature will touch a pleasant 71.6°F, while the nighttime temperature will descend to a frosty 42.8°F.
The high temperature will be relatively higher than the typical October level of 65.8°F.
Sunrise was at 7:23 am and sunset will be at 6:23 pm; the daylight will last for 11h and 0min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 4 pm 70°C.
Coldest hour: 11 pm 54°C.

Chance of precipitation

Highest chance: 11 pm 2%.

Hourly weather forecast

  • 3 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphN 0°
  • Humidity: 37%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphN 1°
  • Humidity: 38%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphN 3°
  • Humidity: 41%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphN 1°
  • Humidity: 46%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:23 pm
  • 7 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphN 358°
  • Humidity: 54%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphN 359°
  • Humidity: 59%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphN 0°
  • Humidity: 64%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphN 4°
  • Humidity: 65%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphN 358°
  • Humidity: 67%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphN 358°
  • Humidity: 69%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphN 6°
  • Humidity: 71%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Tuesday, bright skies and dry conditions are anticipated.
The temperature will vary between the highest temperature of 69.8°F and the lowest temperature of 53.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature is expected to be a couple of degrees higher than the average peak in October, which is 65.8°F. The expected low will be more close to what’s common in November than the current October average of 49.8°F.
Updated: Oct 20, 2026 @ 19:01:23 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 3:01 pm EDT in Potomac is 69.8°F.

Today, in Potomac, sunny and dry conditions are anticipated.

Today, the highest temperature in Potomac will be 71.6°F, while the lowest temperature will be 42.8°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 65.8°F in October. The lowest temperature will be also slightly cooler than the average low of 49.8°F.

On Tuesday, in Potomac, sunrise was at 7:23 am and sunset will be at 6:23 pm (EDT).

In Potomac, the length of the day today will be 11h and 0min.