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

Weather in Potomac, United States 🇺🇸

Weather Forecast in Potomac

Current Weather in Potomac

Clear
21°C
Feels like 16°C. Clear.
🌬️ 5 km/h SSE
💧 64% Humidity
🧭 1015 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 14°C
🌅 Sunrise: 06:04 AM
🌇 Sunset: 08:26 PM
Map Overlays:

Right now Potomac is 21°C with clear, feeling like 16°C. Expect 64% humidity and winds of about 5 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Potomac range from about 18°C to 32°C.

Hourly Forecast for Potomac

02:00
Clear
20°
5%
03:00
Clear
20°
5%
04:00
Clear
19°
7%
05:00
Clear
19°
7%
06:00
Clear
18°
7%
07:00
Sunny
19°
9%
08:00
Sunny
21°
7%
09:00
Sunny
23°
6%
10:00
Sunny
25°
4%
11:00
Sunny
29°
4%
12:00
Cloudy
27°
10%
13:00
Partly Cloudy
29°
4%
14:00
Patchy rain nearby
29°
19%
15:00
Patchy rain nearby
30°
10%
16:00
Cloudy
31°
6%
17:00
Partly Cloudy
30°
4%
18:00
Sunny
28°
4%
19:00
Partly Cloudy
28°
5%
20:00
Patchy light drizzle
26°
26%
21:00
Patchy rain nearby
23°
64%
22:00
Moderate or heavy rain shower
20°
86%
23:00
Patchy rain nearby
21°
66%
00:00
Patchy rain nearby
20°
66%
01:00
Mist
20°
29%

14-Day Forecast for Potomac

Sun, Jul 26
Sunny Sunny
31° / 18°
Mon, Jul 27
Sunny Sunny
32° / 19°
Tue, Jul 28
Fog Fog
27° / 19°
Wed, Jul 29
Fog Fog
29° / 20°
Thu, Jul 30
Sunny Sunny
30° / 17°
Fri, Jul 31
Sunny Sunny
31° / 17°
Sat, Aug 01
Sunny Sunny
30° / 18°
Sun, Aug 02
Sunny Sunny
32° / 20°
Mon, Aug 03
Sunny Sunny
35° / 20°
Tue, Aug 04
Sunny Sunny
34° / 24°
Wed, Aug 05
Sunny Sunny
35° / 21°
Thu, Aug 06
Sunny Sunny
37° / 21°
Fri, Aug 07
Sunny Sunny
36° / 22°
Sat, Aug 08
Sunny Sunny
40° / 22°

Additional Forecasts for Potomac

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 147.0 μg/m³
O₃ (Ozone) 67.0 μg/m³
NO₂ (Nitrogen Dioxide) 13.3 μg/m³
SO₂ (Sulphur Dioxide) 1.5 μg/m³
PM2.5 (Fine particles) 11.8 μg/m³
PM10 (Coarse particles) 14.3 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 U V W X Y Z

Weather in United States ›

Best Time to Be Outside in Potomac Today

The most comfortable window in Potomac today looks like 08:00 to 10:00, when it is around 23°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 21°C (69°F) right now, clear (feels like 16°C).

What's the weather like in Potomac right now?

Right now Potomac has Clear, humidity 64%, wind 5 km/h SSE.

What is today's forecast for Potomac?

Today in Potomac: high 31°C, low 18°C, sunny. Chance of rain: 61%.

What is the 7-day weather forecast for Potomac?

Daily highs and lows for Potomac:

  • 2026-07-26: 31°C / 18°C
  • 2026-07-27: 32°C / 19°C
  • 2026-07-28: 27°C / 19°C
  • 2026-07-29: 29°C / 20°C
  • 2026-07-30: 30°C / 17°C
  • 2026-07-31: 31°C / 17°C
  • 2026-08-01: 30°C / 18°C
Is it going to rain in Potomac today?

There is a 61% chance of rain in Potomac today. Total expected precipitation: 5.56 mm.

What is the wind speed in Potomac right now?

Wind in Potomac is currently 5 km/h (3 mph) from the SSE.

What is the UV index in Potomac right now?

The UV index in Potomac is currently 0 (low). 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