Herndon, VA 20171 Weather Forecast

Now · 12:34 AM

39°

Clear · Feels like 36°

Dry for the next 24 hours. Tomorrow’s high 66°.

High

65°

Low

39°

Rain

0%

Sunset

6:27 PM

🌧️ Next hour

Minute by minute

Clear, warming to 41° by 1 AM.

No precipitation expected in the next hour.

Feels like

39°

Wind

3 mph W

Rain chance

0%

Humidity

82%

Hourly

Full hourly

1. Now 42° 💧0%
2. 1 AM 41° 💧0%
3. 2 AM 41° 💧0%
4. 3 AM 40° 💧0%
5. 4 AM 40° 💧0%
6. 5 AM 39° 💧0%
7. 6 AM 39° 💧0%
8. 7 AM 39° 💧0%
9. 8 AM 39° 💧0%
10. 9 AM 44° 💧0%
11. 10 AM 50° 💧0%
12. 11 AM 55° 💧0%
13. 12 PM 59° 💧0%
14. 1 PM 62° 💧0%
15. 2 PM 64° 💧0%
16. 3 PM 65° 💧0%
17. 4 PM 64° 💧0%
18. 5 PM 64° 💧0%
19. 6 PM 61° 💧0%
20. 7 PM 57° 💧0%
21. 8 PM 52° 💧0%
22. 9 PM 50° 💧0%
23. 10 PM 50° 💧0%
24. 11 PM 49° 💧0%

Live radar

Open full map

Radar Satellite Temperature Wind Feels like Air quality Lightning

10-day forecast

Full 10-day

1. Today Clear 💧0% 39° 65°
2. Tue 20 Clear 💧0% 46° 66°
3. Wed 21 Clear 💧0% 45° 63°
4. Thu 22 Clear 💧0% 43° 65°
5. Fri 23 Clear 💧0% 47° 63°
6. Sat 24 Clear 💧0% 42° 60°
7. Sun 25 Mostly clear 💧0% 42° 63°
8. Mon 26 Partly cloudy 💧0% 45° 66°
9. Tue 27 Partly cloudy 💧0% 50° 66°
10. Wed 28 Partly cloudy 💧0% 48° 64°

14-day outlook & extended hourly ★ Premium

👕 Feels like

Today

High Low

Feels like UV index Air quality Wind Humidity Rain chance Visibility Pressure

Today19 Tue20 Wed21 Thu22 Fri23 Sat24 Sun25 Mon26 Tue27 Wed28

Today’s details

Wind 0 mphS

Humidity Very humid

UV index Low

Air quality Good

Dew point36°Comfortable

Pressure30.51inHg · steady

Visibility10mi

Sun 7:24 AM – 6:27 PM11h 03m of daylight

About ZIP code 20171

ZIP code 20171 is Herndon, in Fairfax County, Virginia. This forecast is for the centre of the ZIP area at 38.927°, -77.397°. Right now it’s 39° and clear; today’s high is 65° with a 0% chance of rain.

Nearby ZIP codes

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