Great Falls (Virginia) weather
The forecast for Great Falls (Virginia) (United States) for the next 10 days in local time: every 3 hours for the first 6 days, then every 6 hours. See when it will rain, how hard the wind will blow and how warm it will get.
Virginia, United States39°N, 77.29°WAmerica/New York (UTC-4)ECMWF: October 25 at 02:00 PM
A real measurement from an airport weather station (NOAA, METAR reports), updated every hour. The forecast next to it comes from a model. NOAA Aviation Weather Center
Next 48 hours (local time)
10-day forecast
- TodayOctober 25Clear sky
gusts 10 km/h10°C 10°C - TomorrowOctober 26Clear sky
gusts 22 km/h20°C 7°C - TuesdayOctober 27Clear sky
gusts 21 km/h19°C 10°C - WednesdayOctober 28Mostly clear
gusts 21 km/h18°C 9°C - ThursdayOctober 29Partly cloudy
gusts 10 km/h20°C 10°C - FridayOctober 30Mostly clear
gusts 10 km/h24°C 10°C - SaturdayOctober 31Cloudy
gusts 21 km/h21°C 12°C - SundayNovember 1Partly cloudy
gusts 22 km/h20°C 10°C - MondayNovember 2Rain
4 mm · gusts 13 km/h17°C 14°C - TuesdayNovember 3Rain
2 mm · gusts 20 km/h19°C 12°C
Over the next 10 days in Great Falls (Virginia), temperatures will range from 7°C to 24°C, with 6 mm of rain or snow in total. Days with at least 1 mm of precipitation: 2. ECMWF model run from October 25 at 02:00 PM.
Great Falls (Virginia) wind forecast for 10 days
Windiest: tomorrow - average 6 km/h, gusts up to 22 km/h. Calmest: Monday, November 2 - average 3 km/h. The wind blows most often from the south.
| Day | Wind | Gusts | Direction |
|---|---|---|---|
| Today | 5 km/h | 10 km/h | south |
| Tomorrow | 6 km/h | 22 km/h | west |
| Tue, 10/27 | 7 km/h | 21 km/h | northeast |
| Wed, 10/28 | 6 km/h | 21 km/h | southeast |
| Thu, 10/29 | 7 km/h | 10 km/h | south |
| Fri, 10/30 | 6 km/h | 10 km/h | west |
| Sat, 10/31 | 6 km/h | 21 km/h | north |
| Sun, 11/1 | 6 km/h | 22 km/h | southeast |
| Mon, 11/2 | 3 km/h | 13 km/h | east |
| Tue, 11/3 | 5 km/h | 20 km/h | east |
Climate through the year
In October, daytime temperatures here average 19°C and nights 8°C, with about 99 mm of rain over the month. The warmest month is July (an average of 31°C by day), the coolest is January (4°C by day, -5°C at night). The wettest month is May (about 120 mm) and the driest is January (66 mm).
| Month | Day | Night | Rain |
|---|---|---|---|
| January | 4°C | -5°C | 66 mm |
| February | 6°C | -4°C | 66 mm |
| March | 11°C | 0°C | 81 mm |
| April | 18°C | 6°C | 94 mm |
| May | 23°C | 12°C | 120 mm |
| June | 28°C | 17°C | 115 mm |
| July | 31°C | 20°C | 108 mm |
| August | 31°C | 19°C | 95 mm |
| September | 27°C | 15°C | 107 mm |
| October | 19°C | 8°C | 99 mm |
| November | 12°C | 2°C | 77 mm |
| December | 6°C | -2°C | 88 mm |
Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day. NASA POWER
The forecast for Great Falls (Virginia) comes from the ECMWF model and is computed for the point 39°N, 77.29°W. Temperature is measured 2 m above the ground, wind at 10 m. Gusts are the strongest bursts of wind within each 3-hour period.
Source: ECMWF IFS model (CC BY 4.0), data modified. A forecast is a model result, not a measurement. ECMWF
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