Fairfax County (Herndon)
Today
Today weather in Fairfax County
Thursday, April 2nd, 2026
17°
Overcast
Official weather alert: . Mild temperatures are expected in Fairfax County Today, peaking at around 17 °F and dropping to 8 °F by night. Gentle breezes are expected across Fairfax County Today, with speeds reaching around 14 km/h. Expect a humid atmosphere, with levels hovering around 90%.
17° / 9°
Temp
0%
Rain
14 km/h
Wind
90%
Humidity
Fairfax County Weather Pages
Fairfax County hourly forecast for today
Scroll right to see more weather forecasts for Fairfax County today
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:53 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 07:35 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | |  |  | |  | | | | | | | | | |  | | | |  |  |  | | | Next |
| temperatures | 18.2° | 17.6° | 17.2° | 16.9° | 17.2° | 16.4° | 16.1° | Sunrise | 15.5° | 15.1° | 14.7° | 14.5° | 14.7° | 15.2° | 15.7° | 16.4° | 16.4° | 16° | 13.4° | 11.7° | 12.7° | Sunset | 10.8° | 9.6° | 10.3° | 9° | |
| feels like | 18.2° | 17.6° | 17.2° | 16.9° | 16.7° | 16.4° | 16.1° | 15.1° | 14.4° | 13.9° | 13.6° | 13.8° | 14.8° | 15.5° | 16.3° | 16.3° | 15.9° | 12.4° | 10.2° | 11.2° | 8.8° | 7.4° | 8.4° | 6.9° | |||
| wind speed | 8 km/h | 6 km/h | 8 km/h | 9 km/h | 8 km/h | 8 km/h | 7 km/h | 7 km/h | 8 km/h | 10 km/h | 10 km/h | 10 km/h | 13 km/h | 14 km/h | 14 km/h | 14 km/h | 14 km/h | 14 km/h | 14 km/h | 14 km/h | 13 km/h | 12 km/h | 13 km/h | 12 km/h | |||
| wind degree | 23° | 35° | 46° | 51° | 63° | 74° | 53° | 49° | 38° | 48° | 67° | 79° | 85° | 88° | 85° | 83° | 86° | 82° | 84° | 92° | 88° | 86° | 95° | 102° | |||
| wind direction | NNE | NE | NE | NE | ENE | ENE | NE | NE | NE | NE | ENE | E | E | E | E | E | E | E | E | E | E | E | E | ESE | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 81% | 90% | 93% | 92% | 93% | 95% | 95% | 93% | 93% | 92% | 93% | 91% | 88% | 85% | 81% | 77% | 78% | 79% | 94% | 96% | 88% | 96% | 96% | 92% | |||
| dew point | 14.9° | 15.6° | 15.8° | 15.6° | 15.7° | 15.7° | 15.3° | 14.5° | 13.9° | 13.4° | 13.2° | 12.9° | 13° | 13.1° | 12.9° | 13° | 12.6° | 11.9° | 10° | 9.4° | 11.7° | 8.2° | 7.9° | 9.7° | |||
| visibility | 10 km | 10 km | 2 km | 2 km | 16 km | 2 km | 2 km | 2 km | 2 km | 2 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 0% | 1% | 3% | 14% | 50% | 47% | 95% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 96% | 100% | 79% | 100% | 100% | 100% | 64% | 100% | 100% | 99% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.3 | 0.8 | 1.2 | 1.3 | 1.6 | 1.8 | 1.7 | 1.5 | 0.9 | 0.4 | 0 | 0 | 0 | 0 | 0 |
Weather in Fairfax County today
temperatures
17 °F
rain
0 mm
wind
14 km/h
UV
Low
Fairfax County daylight overview ☀️
Today in Fairfax County, The sun rises at 06:53 and sets at 19:35, giving a total daylight duration of 12 hours and 42 minutes.
Quick links
More Fairfax County weather pages
What to wear today in Fairfax County? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Fairfax County forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
The weather today in Fairfax County - FAQ
What is the maximum temperature for today in Fairfax County?
The maximum temperature for today in Fairfax County is expected to be 17° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Fairfax County? 🌧️
No, there is no significant chance of rain in Fairfax County today. It should be a dry day.
What will be the wind speed today in Fairfax County? 🌀
The wind in Fairfax County is expected to blow at 14 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Fairfax County today?
Given the forecast of 17 °F with a 0% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Fairfax County today.
What is the sunrise and sunset time for Fairfax County today?
The sun is expected to rise at 06:53 and set at 19:35 in Fairfax County.
How accurate is the weather forecast Fairfax County today? ✅
Fairfax County weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Fairfax County?Get accurate weather forecasts for Fairfax County, located at latitude 38.97 and longitude -77.386. Stay updated with localized weather information tailored for Fairfax County.
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