Great Falls, Virginia

Weather in Great Falls, Virginia, United States: forecast and live map

The weather over Great Falls, Virginia as it is measured right now, from radar and the airport reports at Washington Dulles International Airport and Gaithersburg/Montgomery Cnty, beside the forecast model’s temperature and wind. Each layer says which it is.

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Right now · as of

  • No lightning within 30 mi of Great Falls, Virginia in the last 15 minutes. Rain or snow on radar 12 mi SW of Great Falls, Virginia.
  • Washington Dulles International Airport, 9.3 mi: 55 °F, humidity 43%, wind NW 6 mph, visibility 10+ miles · 33 minutes ago
  • Gaithersburg/Montgomery Cnty, 14 mi: 47 °F, humidity 68%, calm, visibility 10+ miles · 29 minutes ago
  • Leesburg Exec, 16 mi: 55 °F, humidity 47%, wind N 7 mph, visibility 10+ miles · 10 minutes ago
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Great Falls, Virginia weather forecast

Partly cloudy for Great Falls, Virginia, United States tomorrow, with temperatures from 47 °F to 62 °F, no rain and wind up to 9 mph.

  1. 10:00 PM52 °FN 7 mph–
  2. 1:00 AM50 °FN 9 mph–
  3. 4:00 AM49 °FN 9 mph–
  4. 7:00 AM47 °FN 7 mph–
  5. 10:00 AM55 °FNE 7 mph–
  6. 1:00 PM60 °FNE 6 mph–
  7. 4:00 PM62 °FNE 5 mph–
  8. 7:00 PM53 °FE 6 mph–
Great Falls, Virginia weather forecast
DaySkyHigh / lowRainWind up to
Fri, Oct 2362 °F / 47 °F–9 mph
Sat, Oct 2460 °F / 42 °F–6 mph
Sun, Oct 2562 °F / 41 °F–4 mph
Mon, Oct 2665 °F / 43 °F–5 mph
Tue, Oct 2762 °F / 50 °F–7 mph
Wed, Oct 2860 °F / 44 °F–5 mph
Thu, Oct 2965 °F / 45 °F–6 mph

Forecast by MET Norway (CC BY 4.0), updated 09:16 PM EDT. Times are local.

What the map shows over Great Falls, Virginia

  • Rain radarMeasuredGreat Falls, Virginia is inside RainViewer’s radar coverage. Frames every 10 minutes for the last 2 hours.Open on the mapAbout this layer
  • Live lightning mapMeasuredGreat Falls, Virginia is inside the area NOAA’s lightning networks cover. Strike density every 15 minutes.Open on the mapAbout this layer
  • Temperature mapForecast modelNOAA’s GFS model on a 0.25° grid, points about 15 mi apart: the forecast for now, not a thermometer reading.Open on the mapAbout this layer
  • Wind mapForecast modelWind 10 metres up from the same model, so it smooths over streets and hills.Open on the mapAbout this layer
  • Severe weather alertsOfficial warningsActive alerts from the US National Weather Service, each pinned as one point.Open on the mapAbout this layer
  • Airport weather (METAR)MeasuredThe latest reports from Washington Dulles International Airport (KIAD), 9.3 mi away, Gaithersburg/Montgomery Cnty (KGAI), 14 mi away, Leesburg Exec (KJYO), 16 mi away and Ronald Reagan Washington National Airport (KDCA), 17 mi away, usually every hour.Open on the mapAbout this layer

Good to know

  • Radar, lightning and the airport reports are measured; temperature and wind come from a forecast model for the nearest hour, so a thermometer in Great Falls, Virginia can read differently.
  • Radar detail stops at about zoom 7 and lightning at zoom 8, so the weather of a single street isn’t resolved.
  • Use it to see conditions, not to make safety decisions; for those, follow your local weather service’s warnings.

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