Fairfax (VA)
Today
Today weather in Fairfax
Friday, August 21st, 2026
30°
Overcast
Low 17°
Fairfax will have a warm day Today with temperatures ascending to 29 °F and descending to around 16 °F after sunset. Gentle breezes are expected across Fairfax Today, with speeds reaching around 11 km/h. There's a slight chance of rain at 17%.
30° / 17°
Temp
17%
Rain
11 km/h
Wind
69%
Humidity
Fairfax Weather Pages
Fairfax hourly forecast for today
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| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:28 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 | 07:56 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  | |  | |  | |  |  | | |  | | | |  | | | | | |  | | | | | Next |
| temperatures | 19.2° | 18.7° | 18.7° | 17.9° | 17.6° | 17° | 17° | Sunrise | 16.8° | 18.2° | 19.8° | 21.1° | 23.7° | 25.8° | 29.1° | 27.9° | 29.6° | 28.2° | 28.9° | 27.3° | 25.6° | Sunset | 23.6° | 22.6° | 22.2° | 22.1° | |
| wind speed | 9 km/h | 8 km/h | 7 km/h | 6 km/h | 8 km/h | 7 km/h | 7 km/h | 7 km/h | 8 km/h | 7 km/h | 11 km/h | 9 km/h | 5 km/h | 6 km/h | 4 km/h | 3 km/h | 2 km/h | 2 km/h | 4 km/h | 3 km/h | 4 km/h | 4 km/h | 3 km/h | 3 km/h | |||
| wind degree | 32° | 32° | 23° | 358° | 354° | 2° | 9° | 6° | 30° | 38° | 4° | 6° | 141° | 10° | 11° | 47° | 34° | 212° | 174° | 125° | 124° | 167° | 118° | 102° | |||
| wind direction | NNE | NNE | NNE | N | N | N | N | N | NNE | NE | N | N | SE | N | NNE | NE | NE | SSW | S | SE | SE | SSE | ESE | 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 | 30% | 19% | 23% | 14% | 18% | 37% | 34% | 17% | 14% | 11% | 16% | 5% | 3% | 2% | 6% | 9% | 10% | 9% | 10% | 12% | 15% | 5% | 17% | 17% | |||
| 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 | 83% | 86% | 87% | 90% | 92% | 91% | 93% | 94% | 90% | 84% | 71% | 68% | 60% | 52% | 47% | 29% | 45% | 30% | 41% | 53% | 62% | 66% | 69% | 68% | |||
| dew point | 16.3° | 16.3° | 16.5° | 16.2° | 16.2° | 15.5° | 15.9° | 15.8° | 16.6° | 17° | 15.6° | 17.5° | 17.4° | 18.4° | 15.4° | 10° | 15° | 9.6° | 13.1° | 15.4° | 15.9° | 16° | 16.2° | 15.9° | |||
| visibility | 2 km | 10 km | 10 km | 10 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 | 10 km | 10 km | 10 km | |||
| cloud cover | 100% | 64% | 77% | 14% | 2% | 96% | 90% | 18% | 3% | 7% | 78% | 8% | 5% | 4% | 61% | 99% | 100% | 100% | 100% | 95% | 100% | 13% | 100% | 100% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.4 | 1.2 | 2.5 | 4.4 | 6.1 | 6.7 | 5.9 | 3.7 | 3.2 | 2.1 | 0.7 | 0.1 | 0 | 0 | 0 | 0 |
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View of Fairfax today
Explore Fairfax live webcam feed to see how the weather is shaping up today in Fairfax. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
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Weather in Fairfax today
The weather in Fairfax today is expected to be much warmer than usual, with a forecast temperature of 30 °F, compared to an average of 24 °F for August 21st in recent years.
temperatures
30 °F
rain
0.1 mm
wind
11 km/h
UV
High
Fairfax daylight overview ☀️
Today in Fairfax, The sun rises at 06:28 and sets at 19:56, giving a total daylight duration of 13 hours and 28 minutes.
Quick links
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What to wear today in Fairfax? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Fairfax forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Sunglasses
Wide brimmed hat
Sunscreen
The weather today in Fairfax - FAQ
What is the maximum temperature for today in Fairfax?
The maximum temperature for today in Fairfax is expected to be 30° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Fairfax? 🌧️
Yes, there is a 17% chance of rain in Fairfax today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Fairfax? 🌀
The wind in Fairfax is expected to blow at 11 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Fairfax today?
Given the forecast of 30 °F with a 17% 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 today.
What is the sunrise and sunset time for Fairfax today?
The sun is expected to rise at 06:28 and set at 19:56 in Fairfax.
How accurate is the weather forecast Fairfax today? ✅
Fairfax 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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