Outdoor conditions in

Herndon

Virginia
Now
  1. 63°Chance Rain Showers39% rain75% humidityGusts 10 mph
  2. 62°Chance Rain Showers44% rain75% humidityGusts 9 mph
  3. 62°Chance Rain Showers47% rain78% humidityGusts 9 mph
  4. 61°Chance Rain Showers44% rain81% humidityGusts 8 mph
  5. 60°Chance Rain Showers35% rain84% humidityGusts 8 mph
  6. 60°Slight Chance Rain Showers21% rain84% humidityGusts 9 mph
  7. 59°Chance Rain Showers27% rain87% humidityGusts 9 mph
  8. 59°Slight Chance Rain Showers16% rain90% humidityGusts 8 mph
  9. 59°Mostly Cloudy14% rain93% humidityGusts 8 mph
  10. 59°Mostly Cloudy11% rain100% humidityGusts 9 mph
  11. 59°Cloudy9% rain100% humidityGusts 9 mph
  12. 59°Slight Chance Rain Showers15% rain100% humidityGusts 10 mph
  13. 59°Slight Chance Rain Showers16% rain100% humidityGusts 12 mph
  14. 59°Cloudy14% rain100% humidityGusts 12 mph
  15. 58°Slight Chance Rain Showers18% rain100% humidityGusts 12 mph
  16. 59°Patchy Fog9% rain100% humidityGusts 13 mph
  17. 60°Patchy Fog7% rain100% humidityGusts 14 mph
  18. 60°Patchy Fog7% rain100% humidityGusts 15 mph
  19. 61°Cloudy7% rain100% humidityGusts 16 mph
  20. 61°Cloudy8% rain100% humidityGusts 17 mph
  21. 62°Cloudy9% rain100% humidityGusts 18 mph
  22. 63°Mostly Cloudy1% rain100% humidityGusts 20 mph
  23. 65°Mostly Sunny1% rain97% humidityGusts 21 mph
  24. 68°Mostly Sunny0% rain90% humidityGusts 21 mph
Extra care for

A little farther out

The next five days

Today

Today has a real shower chance.

Rain
47%
Humidity
75–100%
Wind
14 mph
Fri

Friday has a real shower chance.

Rain
62%
Humidity
65–100%
Wind
24 mph
Sat

Saturday has a real shower chance.

Rain
62%
Humidity
54–93%
Wind
30 mph
Sun

Sunday looks fairly quiet.

Rain
15%
Humidity
49–86%
Wind
12 mph
Mon

Monday looks fairly quiet.

Rain
15%
Humidity
64–100%
Wind
14 mph
  1. 63° / 59°Today has a real shower chance.47% rain · Humidity 75–100% · Wind 14 mph
  2. 81° / 58°Friday has a real shower chance.62% rain · Humidity 65–100% · Wind 24 mph
  3. 59° / 43°Saturday has a real shower chance.62% rain · Humidity 54–93% · Wind 30 mph
  4. 56° / 37°Sunday looks fairly quiet.15% rain · Humidity 49–86% · Wind 12 mph
  5. 60° / 40°Monday looks fairly quiet.15% rain · Humidity 64–100% · Wind 14 mph

Environmental watch

Air quality + smoke

Air quality

Northern Virginia area · Updated Thu 11:25 AM
33GoodUS AQI

Good through Sat 12 PM.

Sky check

No plume detected overhead

Satellite view · Updated Thu 8:45 AM

Air near ground33 · Good US AQI

Rain, in motion · Past four hours

Herndon radar

Ready when you areSee what is moving toward Herndon.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

Outdoor fire check

Thinking about a backyard fire?

Use extra caution.

There is no lower-concern three-hour stretch in the next 12 hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowUse caution

Thunder is possible.

Humidity
75%
Wind
6 mph
Gusts
10 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes Northern Virginia area, about 6 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Herndon, VA, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.