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Great Falls

populated place

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Location & Surroundings

Great Falls is a settlement in Maryland, United States, at 62 m elevation. The nearest larger town is Potomac, 4 km to the northeast. The national capital Washington is 22 km to the southeast. The nearest airport is Steuart Office Pad, 15 km away.

Basic Data

  • Type populated place (PPL)
  • a city, town, village, or other agglomeration of buildings where people live and work

Geography

  • Coordinates
    39° 0' 8" N, 77° 14' 46" W
  • Elevation 62 m (DEM: 81 m)
  • Timezone America/New_York
  • Time Shift GMT -5 (DST -4)

Statistics & Country

  • Pop. Density 9 p/km²
  • Built-up 0.8%
  • Settlement Very low density rural
  • Currency Dollar (USD)
  • Phone Prefix +1

Sun & Local Time

Nearby

Weather in Great Falls

Current conditions and a 3-day (72-hour) weather forecast for Great Falls, updated from the NOAA GFS model.

Now 30.8 C with mostly cloudy skies and a 1.9 m/s westerly wind. Next 24h: 22.3 to 30.8 C, max wind 3.1 m/s. Precip around 0.3 mm. Solar peaks near 476 W/m2.

Temperature
30.8 C
Wind
1.9 m/s W (261 deg)
Humidity
56 %
Pressure
1,021.3 hPa
Clouds
56 %
Precip
0.25 mm
Solar
0.0 W/m2
UV-B
n/a
Hour Temp (C) Wind (m/s) Dir (deg) RH (%) Pressure (hPa) Precip (step/total mm) Clouds (%) Solar (W/m2) UV-B (W/m2)
NOW 30.8 1.9 261 56 1,021.3 - / 0.00 56 0.0 n/a
6h 25.2 0.9 288 88 1,018.9 6.87 / 6.87 100 268.5 n/a
12h 22.5 1.9 280 96 1,017.9 0.00 / 4.61 68 0.0 n/a
18h 22.3 2.9 319 93 1,018.4 0.00 / 0.00 94 8.8 n/a
Tomorrow 28.7 3.1 357 57 1,017.0 0.25 / 0.25 100 476.4 n/a
30h 22.4 2.8 40 69 1,018.3 0.74 / 0.99 30 202.2 n/a
36h 18.4 2.4 11 69 1,019.2 0.00 / 0.00 10 0.0 n/a
42h 15.9 2.7 18 66 1,020.5 0.00 / 0.00 14 10.4 n/a
Saturday 25.2 2.7 100 45 1,019.3 0.00 / 0.00 18 591.8 n/a
54h 21.7 4.4 120 68 1,019.4 0.00 / 0.00 99 335.4 n/a
60h 20.0 3.2 133 80 1,019.3 0.00 / 0.00 100 0.0 n/a
66h 19.8 2.4 149 93 1,017.9 0.37 / 0.37 96 4.5 n/a
Sunday 25.5 3.8 197 66 1,015.3 0.13 / 0.50 99 232.5 n/a
Source: NOAA GFS 0.25° (run 2026-09-17 18:00 UTC).

FAQ

What is the current weather and next 24-hour outlook in Great Falls?
Now 30.8 C with mostly cloudy skies and a 1.9 m/s westerly wind. Next 24h: 22.3 to 30.8 C, max wind 3.1 m/s. Precip around 0.3 mm. Solar peaks near 476 W/m2.
Is precipitation expected in the next 24 hours?
Around 0.3 mm of precipitation is expected in the next 24 hours.
When are sunrise and sunset in Great Falls today?
Sunrise around 06:51 and sunset around 19:15 (local time). Day length about 12h 24m.
What is the local time in Great Falls?
Local time is 22:15. Time zone: America/New_York (UTC-04:00).
What type of place is Great Falls?
Great Falls is a populated place.
What is the elevation of Great Falls?
Elevation about 62 m. DEM 81 m.
Where is Great Falls located?
It is at 39.00233, -77.24609 (latitude, longitude).
Which country is Great Falls in?
It is in United States.

Sources

Last updated 2010-02-15
geonames https://www.geonames.org/4356710

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