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Great Falls, VA Weather - 14-Day Weather Forecast

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Clear

42°F

Updated	11:30 pm
Feels Like	41°F
Humidity	82%
Wind	N 0 mph
Barometer	30.53 in
Dew Point	37°F

Clear

6°C

Updated	11:30 pm
Feels Like	5°C
Humidity	82%
Wind	N 0 km/h
Barometer	103.4 kPa
Dew Point	3°C

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°F °C°F °C

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Cloud Cover	0%
Wind Chill	42°F 6°C
Sunrise	7:22 AM
Sunset	6:26 PM
Moonrise	2:39 PM
Moonset	7:00 PM

Civil Twilight
6:52 AM to 7:19 AM
6:26 PM to 6:53 PM
Great Falls VA Weather - Waxing Gibbous Moon

Waxing Gibbous Moon

Great Falls, VA Weather and Current Conditions

Great Falls, VA Weather Forecast

Great Falls, Virginia Weather Weather Forecast

14 day API weather forecast for Great Falls, Virginia. Note: The 7-day weather forecast for Great Falls, VA is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.

Great Falls, VA Weather Forecast Dated: 1130 PM Sun Oct 18 2026

Expect a cool pattern with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.

Weather Charts Weather Stats

Sunday, October 18, 2026

Mid-Morning

44°F 7°C

Sunny

Mid-Afternoon

60°F 16°C

Sunny

Early-Evening

51°F 11°C

Sunny

Refreshing around 60°F 16°C, sunny throughout the day, with steady humidity and steady pressure.

Monday, October 19, 2026

Mid-Morning

47°F 8°C

Sunny

Mid-Afternoon

64°F 18°C

Sunny

Early-Evening

54°F 12°C

Sunny

Mildly cool near 64°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the N at 9 mph 14 km/h.

Tuesday, October 20, 2026

Mid-Morning

51°F 11°C

Sunny

Mid-Afternoon

67°F 19°C

Sunny

Early-Evening

57°F 14°C

Sunny

Comfortable at 67°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the NNW to the N at 7 mph 12 km/h. Gusts up to 21 mph 34 km/h.

Wednesday, October 21, 2026

Mid-Morning

49°F 9°C

Sunny

Mid-Afternoon

64°F 18°C

Sunny

Early-Evening

54°F 12°C

Sunny

Cool with a high near 64°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds moving from the N to the NNW at 6 mph 9 km/h.

Thursday, October 22, 2026

Mid-Morning

49°F 10°C

Sunny

Mid-Afternoon

67°F 19°C

Sunny

Early-Evening

56°F 14°C

Sunny

Refreshing around 67°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NNW at 9 mph 15 km/h.

Friday, October 23, 2026

Mid-Morning

52°F 11°C

Sunny

Mid-Afternoon

65°F 19°C

Sunny

Early-Evening

59°F 15°C

Sunny

Mildly cool near 65°F 19°C, sunny throughout the day, with lower humidity and steady pressure.

Saturday, October 24, 2026

Mid-Morning

51°F 11°C

Sunny

Mid-Afternoon

63°F 17°C

Sunny

Early-Evening

56°F 14°C

Sunny

Comfortable at 63°F 17°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the ENE to the ESE at 8 mph 12 km/h.

Sunday, October 25, 2026

Mid-Morning

50°F 10°C

Sunny

Mid-Afternoon

64°F 18°C

Overcast

Early-Evening

58°F 15°C

Cloudy

Cool with a high near 64°F 18°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling.

Monday, October 26, 2026

Mid-Morning

52°F 11°C

Sunny

Mid-Afternoon

69°F 20°C

Overcast

Early-Evening

63°F 17°C

Overcast

Mild temperatures up to 69°F 20°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.

Tuesday, October 27, 2026

Mid-Morning

54°F 12°C

Overcast

Mid-Afternoon

62°F 17°C

Cloudy

Early-Evening

55°F 13°C

Sunny

Mildly cool near 62°F 17°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.

Wednesday, October 28, 2026

Mid-Morning

50°F 10°C

Sunny

Mid-Afternoon

63°F 17°C

Overcast

Early-Evening

57°F 14°C

Overcast

Comfortable at 63°F 17°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure.

Thursday, October 29, 2026

Mid-Morning

53°F 12°C

Sunny

Mid-Afternoon

67°F 20°C

Sunny

Early-Evening

61°F 17°C

Cloudy

Cool with a high near 67°F 20°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure.

Friday, October 30, 2026

Mid-Morning

56°F 13°C

Cloudy

Mid-Afternoon

68°F 20°C

Overcast

Early-Evening

66°F 19°C

Overcast

Enjoyable around 68°F 20°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds turning from the S to the SSW at 10 mph 16 km/h. Gusts up to 26 mph 41 km/h.

Saturday, October 31, 2026

Mid-Morning

60°F 16°C

Overcast

Mid-Afternoon

69°F 20°C

Scattered Showers

Early-Evening

64°F 18°C

Sunny

Mild temperatures up to 69°F 20°C, scattered downpours possible, with lower humidity and steady pressure.

Weather Charts Weather Stats

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Weather by the Numbers

Sun, 18th Hi: 60°F 16°C Lo: 38°F 4°C	Sunrise 07:22 AM Sunset 06:26 PM Wind NE 5 mph8 km/h Dew Point 26°F-4°C uv Index 4 Barometric Pressure 30.59 in1036 mb POP 1% * Humidity 31%
Mon, 19th Hi: 64°F 18°C Lo: 41°F 5°C	Sunrise 07:23 AM Sunset 06:24 PM Wind NNE 6 mph10 km/h Dew Point 34°F1°C uv Index 4 Barometric Pressure 30.45 in1031 mb POP 1% * Humidity 39%
Tue, 20th Hi: 67°F 19°C Lo: 45°F 7°C	Sunrise 07:24 AM Sunset 06:23 PM Wind N 11 mph18 km/h Dew Point 41°F5°C uv Index 4 Barometric Pressure 30.24 in1024 mb POP 1% * Humidity 42%
Wed, 21st Hi: 64°F 18°C Lo: 44°F 6°C	Sunrise 07:25 AM Sunset 06:22 PM Wind N 9 mph15 km/h Dew Point 39°F4°C uv Index 4 Barometric Pressure 30.24 in1024 mb POP 1% * Humidity 44%
Thu, 22nd Hi: 67°F 19°C Lo: 43°F 6°C	Sunrise 07:26 AM Sunset 06:20 PM Wind NNW 9 mph14 km/h Dew Point 33°F1°C uv Index 4 Barometric Pressure 30.15 in1021 mb POP 1% * Humidity 34%
Fri, 23rd Hi: 66°F 19°C Lo: 47°F 8°C	Sunrise 07:27 AM Sunset 06:19 PM Wind NNE 6 mph10 km/h Dew Point 44°F7°C uv Index 5 Barometric Pressure 30.33 in1027 mb POP 2% * Humidity 51%
Sat, 24th Hi: 63°F 17°C Lo: 47°F 8°C	Sunrise 07:28 AM Sunset 06:18 PM Wind E 7 mph12 km/h Dew Point 41°F5°C uv Index 5 Barometric Pressure 30.59 in1036 mb POP 2% * Humidity 50%
Sun, 25th Hi: 64°F 18°C Lo: 46°F 8°C	Sunrise 07:29 AM Sunset 06:16 PM Wind E 1 mph2 km/h Dew Point 43°F6°C uv Index 5 Barometric Pressure 30.53 in1034 mb POP 2% * Humidity 52%
Mon, 26th Hi: 69°F 21°C Lo: 48°F 9°C	Sunrise 07:30 AM Sunset 06:15 PM Wind WNW 4 mph6 km/h Dew Point 43°F6°C uv Index 5 Barometric Pressure 30.33 in1027 mb POP 2% * Humidity 47%
Tue, 27th Hi: 63°F 17°C Lo: 50°F 10°C	Sunrise 07:31 AM Sunset 06:14 PM Wind SE 7 mph12 km/h Dew Point 35°F2°C uv Index 4 Barometric Pressure 30.33 in1027 mb POP 9% * Humidity 39%
Wed, 28th Hi: 64°F 18°C Lo: 46°F 8°C	Sunrise 07:32 AM Sunset 06:13 PM Wind SE 2 mph3 km/h Dew Point 33°F0°C uv Index 4 Barometric Pressure 30.36 in1028 mb POP 3% * Humidity 36%
Thu, 29th Hi: 67°F 20°C Lo: 49°F 10°C	Sunrise 07:34 AM Sunset 06:12 PM Wind S 3 mph5 km/h Dew Point 44°F7°C uv Index 5 Barometric Pressure 30.3 in1026 mb POP 2% * Humidity 51%
Fri, 30th Hi: 68°F 20°C Lo: 53°F 12°C	Sunrise 07:35 AM Sunset 06:10 PM Wind S 11 mph17 km/h Dew Point 49°F9°C uv Index 4 Barometric Pressure 30.21 in1023 mb POP 10% * Humidity 58%
Sat, 31st Hi: 69°F 20°C Lo: 59°F 15°C	Sunrise 07:36 AM Sunset 06:09 PM Wind SW 2 mph4 km/h Dew Point 59°F15°C uv Index 4 Barometric Pressure 30.12 in1020 mb POP 25% * Humidity 83%

* POP = Probability of Precipitation. Data for 12:00 PM.