Great Falls, MD Weather

09:57 Friday Artboard
Scattered clouds
Scattered clouds
27° Feels like 29°
UV 4 Moderate
SPF 6-10
  • Today 11 July Fog More information 32° / 21° Calm 8 - 18 km/h
  • Tomorrow 12 July Light rain 60% 0.3 mm 33° / 22° Calm 11 - 28 km/h
  • Sunday 13 July Thunderstorm 80% 7 mm 31° / 23° Calm 12 - 34 km/h
  • Monday 14 July Thunderstorm 90% 14 mm 28° / 22° Calm 6 - 25 km/h
  • Tuesday 15 July Light rain 60% 0.2 mm 31° / 22° Calm 7 - 18 km/h
  • Wednesday 16 July Mist 32° / 22° Calm 7 - 25 km/h
  • Thursday 17 July Light rain 60% 1 mm 32° / 23° Calm 14 - 34 km/h

Weather Forecast for Great Falls, MD Today

, 11 July

Tomorrow

, 12 July
10:00 Scattered clouds 27° Scattered clouds
Feels Like 29°
Calm Southeast 5 - 15 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 78%
  • Dew Point Dew Point 23 °C
  • Clouds Clouds 46%
  • Feels Like Feels Like 29 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 15420 ft
11:00 Scattered clouds 28° Scattered clouds
Feels Like 31°
Calm Southeast 2 - 15 km/h
UV Index 6 High SPF: 15-25
  • Rain Rain 0% 0 mm
  • Humidity Humidity 70%
  • Dew Point Dew Point 22 °C
  • Clouds Clouds 15%
  • Feels Like Feels Like 31 °C
  • Visibility Visibility 18 km
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 15748 ft
12:00 Scattered clouds 29° Scattered clouds
Feels Like 32°
Calm South 2 - 13 km/h
UV Index 8 Very High! SPF: 25-50
  • Rain Rain 0% 0 mm
  • Humidity Humidity 64%
  • Dew Point Dew Point 22 °C
  • Clouds Clouds 23%
  • Feels Like Feels Like 32 °C
  • Visibility Visibility 18 km
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 13 km/h
  • Snowline Snowline 15420 ft
13:00 Scattered clouds 30° Scattered clouds
Feels Like 33°
Calm South 3 - 15 km/h
UV Index 9 Very High! SPF: 25-50
  • Rain Rain 0% 0 mm
  • Humidity Humidity 62%
  • Dew Point Dew Point 22 °C
  • Clouds Clouds 18%
  • Feels Like Feels Like 33 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 15420 ft
14:00 Sunny 31° Sunny
Feels Like 34°
Calm Southeast 5 - 18 km/h
UV Index 9 Very High! SPF: 25-50
  • Rain Rain 0% 0 mm
  • Humidity Humidity 60%
  • Dew Point Dew Point 22 °C
  • Clouds Clouds 9%
  • Feels Like Feels Like 34 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 18 km/h
  • Snowline Snowline 15092 ft
15:00 Scattered clouds 31° Scattered clouds
Feels Like 35°
Calm South 5 - 18 km/h
UV Index 7 High SPF: 15-25
  • Rain Rain 0% 0 mm
  • Humidity Humidity 58%
  • Dew Point Dew Point 22 °C
  • Clouds Clouds 28%
  • Feels Like Feels Like 35 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 18 km/h
  • Snowline Snowline 15092 ft
16:00 Scattered clouds 31° Scattered clouds
Feels Like 35°
Calm South 4 - 16 km/h
UV Index 5 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 58%
  • Dew Point Dew Point 22 °C
  • Clouds Clouds 17%
  • Feels Like Feels Like 35 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 16 km/h
  • Snowline Snowline 15420 ft
Scattered clouds 17:00 Scattered clouds 31° Scattered clouds
Feels Like 35°
Calm South 5 - 18 km/h
UV Index 3 Moderate SPF: 6-10
Scattered clouds 17:00 Scattered clouds 31° Scattered clouds
Feels Like 35°
Calm South 5 - 18 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 10% 0 mm
  • Humidity Humidity 59%
  • Dew Point Dew Point 22 °C
  • Clouds Clouds 18%
  • Feels Like Feels Like 35 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 18 km/h
  • Snowline Snowline 15748 ft
18:00 Scattered clouds 30° Scattered clouds
Feels Like 34°
Calm South 5 - 15 km/h
UV Index 1 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 60%
  • Dew Point Dew Point 22 °C
  • Clouds Clouds 23%
  • Feels Like Feels Like 34 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 15748 ft
19:00 Scattered clouds 30° Scattered clouds
Feels Like 33°
Calm South 3 - 13 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 63%
  • Dew Point Dew Point 22 °C
  • Clouds Clouds 40%
  • Feels Like Feels Like 33 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 13 km/h
  • Snowline Snowline 15420 ft
Scattered clouds 20:00 Scattered clouds 28° Scattered clouds
Feels Like 33°
Calm Southeast 3 - 15 km/h
UV Index 0 Low SPF: no
Scattered clouds 20:00 Scattered clouds 28° Scattered clouds
Feels Like 33°
Calm Southeast 3 - 15 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 77%
  • Dew Point Dew Point 24 °C
  • Clouds Clouds 28%
  • Feels Like Feels Like 33 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 15420 ft
21:00 Scattered clouds 27° Scattered clouds
Feels Like 30°
Calm Southeast 6 - 10 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 80%
  • Dew Point Dew Point 23 °C
  • Clouds Clouds 20%
  • Feels Like Feels Like 30 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 10 km/h
  • Snowline Snowline 15420 ft
22:00 Clear 26° Clear
Feels Like 28°
Calm Southeast 8 - 14 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 84%
  • Dew Point Dew Point 23 °C
  • Clouds Clouds 7%
  • Feels Like Feels Like 28 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 15420 ft
Clear 23:00 Clear 25° Clear
Feels Like 27°
Calm Southeast 8 - 15 km/h
UV Index 0 Low SPF: no
Clear 23:00 Clear 25° Clear
Feels Like 27°
Calm Southeast 8 - 15 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 88%
  • Dew Point Dew Point 23 °C
  • Clouds Clouds 1%
  • Feels Like Feels Like 27 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 15748 ft
24:00 Clear 25° Clear
Feels Like 25°
Calm Southeast 7 - 14 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 91%
  • Dew Point Dew Point 23 °C
  • Clouds Clouds 6%
  • Feels Like Feels Like 25 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 15420 ft

Sunrise and Sunset

Sunrise 05:53 Sunset 20:35
First light 05:21 Midday 13:14 Last light 21:07
Day length 14h 43m

Remaining daylight 11h 9m

Lunar calendar

Mon Tue Wed Thu Fri Sat Sun
11
Full Moon
12
Last Quarter
13
Last Quarter
14
Last Quarter
15
Last Quarter
16
Last Quarter
17
Last Quarter
18
Last Quarter
19
Last Quarter
20
Last Quarter
21
Last Quarter
22
Last Quarter
23
New Moon
24
New Moon

Air quality in Great Falls today

Detail
75
Unhealthy O₃ (218 µg/m³)
  • Health risk.
  • Consider reducing intense or prolonged outdoors activities if you experience symptoms.
  • Sensitive people should avoid intense or prolonged outdoor activities.

Weather graphs

Maximum Minimum Rainfall

Videos

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