Support Time.now: Join our Premium Plan for an ad-free experience! Support Us: Go Premium Ad-Free!

Weather in Potomac, United States 🇺🇸

Current Weather in Potomac

Overcast
30°C
Feels like 30°C. Overcast.
🌬️ 6 km/h W
💧 35% Humidity
🧭 1023 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 6.5
🌡️ Dew Point: 13°C
🌅 Sunrise: 06:44 AM
🌇 Sunset: 07:29 PM
Map Overlays:

Right now Potomac is 30°C with overcast, feeling like 30°C. Expect 35% humidity and winds of about 6 km/h, and the UV index is 6 (high). Over the next few days, temperatures in Potomac range from about 14°C to 32°C.

Hourly Forecast for Potomac

15:00
Cloudy
30°
5%
16:00
Overcast
31°
9%
17:00
Overcast
29°
9%
18:00
Overcast
28°
9%
19:00
Overcast
27°
11%
20:00
Overcast
26°
11%
21:00
Overcast
25°
12%
22:00
Overcast
24°
15%
23:00
Overcast
23°
17%
00:00
Overcast
22°
18%
01:00
Overcast
22°
17%
02:00
Overcast
22°
16%
03:00
Overcast
21°
14%
04:00
Overcast
21°
15%
05:00
Partly Cloudy
20°
9%
06:00
Overcast
20°
16%
07:00
Overcast
19°
17%
08:00
Overcast
20°
14%
09:00
Sunny
22°
3%
10:00
Sunny
25°
1%
11:00
Sunny
27°
1%
12:00
Sunny
29°
2%
13:00
Partly Cloudy
31°
4%
14:00
Partly Cloudy
31°
3%

14-Day Forecast for Potomac

Tue, Sep 08
Overcast Overcast
31° / 14°
Wed, Sep 09
Overcast Overcast
32° / 19°
Thu, Sep 10
Patchy rain nearby Patchy rain nearby
29° / 21°
Fri, Sep 11
Overcast Overcast
28° / 20°
Sat, Sep 12
Overcast Overcast
28° / 20°
Sun, Sep 13
Patchy rain nearby Patchy rain nearby
28° / 21°
Mon, Sep 14
Overcast Overcast
32° / 22°
Tue, Sep 15
Overcast Overcast
34° / 24°
Wed, Sep 16
Patchy rain nearby Patchy rain nearby
30° / 20°
Thu, Sep 17
Sunny Sunny
21° / 14°
Fri, Sep 18
Sunny Sunny
24° / 14°
Sat, Sep 19
Cloudy Cloudy
30° / 14°
Sun, Sep 20
Overcast Overcast
17° /
Mon, Sep 21
Overcast Overcast
20° / 12°

Additional Forecasts for Potomac

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 141.0 μg/m³
O₃ (Ozone) 129.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.8 μg/m³
SO₂ (Sulphur Dioxide) 1.3 μg/m³
PM2.5 (Fine particles) 4.9 μg/m³
PM10 (Coarse particles) 5.0 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

Browse Weather in United States by cities in alphabetical order:

A B C D E F G H I J K L M N O P Q R S T V W

Weather in United States ›

Best Time to Be Outside in Potomac Today

The most comfortable window in Potomac today looks like 17:00 to 20:00, when it is around 28°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Potomac

What is the temperature in Potomac right now?

Potomac is sitting at 30°C (86°F) right now, overcast (feels like 30°C).

What's the weather like in Potomac right now?

Right now Potomac has Overcast, humidity 35%, wind 6 km/h W.

What is today's forecast for Potomac?

Today in Potomac: high 31°C, low 14°C, overcast. Chance of rain: 9%.

What is the 7-day weather forecast for Potomac?

Daily highs and lows for Potomac:

  • 2026-09-08: 31°C / 14°C
  • 2026-09-09: 32°C / 19°C
  • 2026-09-10: 29°C / 21°C
  • 2026-09-11: 28°C / 20°C
  • 2026-09-12: 28°C / 20°C
  • 2026-09-13: 28°C / 21°C
  • 2026-09-14: 32°C / 22°C
Is it going to rain in Potomac today?

There is a 9% chance of rain in Potomac today.

What is the wind speed in Potomac right now?

Wind in Potomac is currently 6 km/h (4 mph) from the W.

What is the UV index in Potomac right now?

The UV index in Potomac is currently 6.5 (high). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇺🇸 United States: New York City · Los Angeles · Brooklyn · Chicago · Houston · Queens · Phoenix · Philadelphia · Manhattan · San Antonio · San Diego · The Bronx · Dallas · Jacksonville · Austin · Fort Worth · Columbus · Indianapolis · Charlotte · San Francisco · Seattle · Denver · Washington, D.C. · Washington · Nashville · El Paso · Oklahoma City · Detroit · Boston · Portland · New South Memphis · Memphis · Las Vegas · Milwaukee · Baltimore · South Boston · Albuquerque · Tucson · Fresno · Sacramento · Omaha · Kansas City · Long Beach · Mesa · Staten Island · Atlanta · Colorado Springs · Virginia Beach · Raleigh · Miami