Weather Tomorrow for ZIP 20170

Herndon, VA · More forecasts in Virginia

Friday, October 9, 2026

High 73°FLow 49°F

Clear

Rain chance: 0%
Wind: 1-7 mph
Humidity: 67%
Feels like: 49–73°F

Data source: National Weather Service (NOAA) · Forecast issued Oct 8, 5:30 PM EDT

Precipitation Timeline

No significant precipitation expected tomorrow.

Tomorrow by Hour

Local time. Rows with a 40% or higher chance of rain are shaded blue.

Hourly forecast for tomorrow, local time: temperature in °F, chance of rain, wind in mph
Time	Sky	Temp	Condition	Feels like	Rain	Wind (mph)	Humidity
12 AM	, Mostly Clear	56°F	Mostly Clear	56°F	0%	2 W	83%
1 AM	, Mostly Clear	55°F	Mostly Clear	55°F	0%	1 W	86%
2 AM	, Mostly Clear	53°F	Mostly Clear	53°F	0%	1 W	93%
3 AM	, Partly Cloudy	53°F	Partly Cloudy	53°F	0%	1 W	93%
4 AM	, Partly Cloudy	51°F	Partly Cloudy	51°F	0%	1 W	96%
5 AM	, Partly Cloudy	50°F	Partly Cloudy	50°F	0%	1 W	100%
6 AM	, Sunny	49°F	Sunny	49°F	0%	1 W	100%
7 AM	, Mostly Sunny	49°F	Mostly Sunny	49°F	0%	1 W	100%
8 AM	, Mostly Sunny	49°F	Mostly Sunny	49°F	0%	2 W	100%
9 AM	, Mostly Sunny	54°F	Mostly Sunny	54°F	0%	1 NW	93%
10 AM	, Mostly Sunny	61°F	Mostly Sunny	61°F	0%	2 NW	53%
11 AM	, Mostly Sunny	66°F	Mostly Sunny	66°F	0%	3 NW	45%
12 PM	, Sunny	68°F	Sunny	68°F	0%	5 NW	40%
1 PM	, Mostly Sunny	71°F	Mostly Sunny	71°F	0%	6 NW	35%
2 PM	, Mostly Sunny	72°F	Mostly Sunny	72°F	0%	7 NW	33%
3 PM	, Mostly Sunny	72°F	Mostly Sunny	72°F	0%	6 NW	33%
4 PM	, Partly Sunny	73°F	Partly Sunny	73°F	0%	6 NW	33%
5 PM	, Partly Sunny	72°F	Partly Sunny	72°F	0%	5 NW	34%
6 PM	, Mostly Cloudy	70°F	Mostly Cloudy	70°F	0%	2 NW	38%
7 PM	, Mostly Cloudy	67°F	Mostly Cloudy	67°F	0%	2 NE	42%
8 PM	, Mostly Cloudy	63°F	Mostly Cloudy	63°F	0%	1 E	50%
9 PM	, Mostly Cloudy	61°F	Mostly Cloudy	61°F	0%	1 E	56%
10 PM	, Mostly Cloudy	60°F	Mostly Cloudy	60°F	0%	1 N	84%
11 PM	, Mostly Cloudy	58°F	Mostly Cloudy	58°F	0%	1 N	86%

What to Wear Tomorrow

Warm and comfortable — dress light

Clothing

T-shirt or light blouse
Shorts or light pants

Footwear

Comfortable shoes or sandals

Conditions

High: 73°F
Low: 49°F
Wind: 1-7 mph
Rain: 0%

Enjoy your day!

Best Time to Be Outside Tomorrow

12 PM – 2 PM

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

99out of 100

Nearby places

Other ZIP codes nearby

Questions about tomorrow in Herndon

What are tomorrow's high and low in Herndon, VA?

Herndon is forecast to reach 73°F tomorrow, Friday, October 9, with a low of 49°F. The hourly forecast calls for clear skies more often than anything else.

Will it rain tomorrow in Herndon, VA?

No. Every hour tomorrow has a 0% chance of precipitation.

How windy will it be tomorrow in Herndon, VA?

Winds of 1-7 mph are forecast. They are strongest around 2 PM, at up to 7 mph from the NW.