Potomac weather — 10-day forecast

Temperature, rain, wind and feels-like in Potomac, hour by hour and over 10 days, with the seasonal normal for context.

Now

Reading from 19:00 · NOAA HRRR model

27 °C

Clear sky

Feels like 29 °C

8.2 km/hforce 1

Next 12 h

  • 1927°
  • 2026°
  • 2125°
  • 2224°
  • 2323°
  • 0023°
  • 0122°
  • 0221°
  • 0321°
  • 0420°
  • 0519°
  • 0618°
  • 0717°

↑ 27°19:00↓ 17°07:00

Humidity
65 %
Dew point
20 °C
Gusts
12.6 km/h
Clouds
0 %
Pressure
1,014 hPa ↑

Grid point 1.1 km away · 3.0 km grid · elevation 99 m

Air quality

The European air-quality index for the city, and the pollutants that set it.

Reading from 20:00
20
Good

Index set by PM2.5

PM2.5
9.8µg/m³
PM10
10.4µg/m³
Ozone
48.4µg/m³
Nitrogen dioxide
14.3µg/m³
Sulphur dioxide
1.7µg/m³
Carbon monoxide
230.0µg/m³
Dust (AOD)
0.00

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

10 days

Each day's extremes and the chance of rain, out to the end of the run.

2° → 31°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Clear sky16 %

    31°

    23°

  • Thu

    Light rain82 %

    23°

    15°

  • Fri

    Light showers92 %

    27°

    15°

  • Sat

    Rain92 %

    20°

    6°

  • Sun

    Clear sky36 %

    13°

    2°

  • Mon

    Clear sky32 %

    16°

    4°

  • Tue

    Clear sky

    21°

    7°

  • Wed

    Clear sky

    18°

    9°

  • Thu

    Clear sky

    16°

    7°

  • Fri

    Clear sky

    16°

    6°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV4moderate
Sunrise
07:18
Daylight
11 h 14
Sunset
18:32

Radiation · 6.3 MJ/m²

Today in Potomac the mean temperature will be 27.8 °C — +13.5 °C against the normal for 14 October, measured from 1940 to 2026. (1,290 obs.)

Potomac climate — normals and trends →