Fairfax (VA)
Today
Today weather in Fairfax
Thursday, September 18th, 2025
30°
Partly cloudy
Official weather alert: . Fairfax will have a warm day Today with temperatures ascending to 30 °F and descending to around 18 °F after sunset. Gentle breezes are expected across Fairfax Today, with speeds reaching around 8 km/h.
30° / 19°
Temp
0%
Rain
8 km/h
Wind
73%
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 | 06:54 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 | 07:12 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | |  | | |  |  |  | |  | | | | | | | | | |  |  | | |  | Next |
| temperatures | 19.2° | 19.1° | 19° | 18.9° | 18.8° | 18.7° | 18.7° | Sunrise | 18.7° | 18.8° | 19.5° | 19.4° | 23.3° | 25.5° | 24.8° | 27.4° | 28.8° | 28.8° | 28.5° | 27.4° | 26.3° | Sunset | 25.7° | 25.1° | 23.9° | 23.5° | |
| wind speed | 6 km/h | 7 km/h | 7 km/h | 8 km/h | 7 km/h | 7 km/h | 7 km/h | 5 km/h | 5 km/h | 6 km/h | 7 km/h | 7 km/h | 7 km/h | 8 km/h | 8 km/h | 8 km/h | 7 km/h | 5 km/h | 3 km/h | 6 km/h | 5 km/h | 5 km/h | 7 km/h | 7 km/h | |||
| wind degree | 357° | 341° | 341° | 334° | 333° | 327° | 325° | 321° | 315° | 317° | 317° | 312° | 308° | 311° | 317° | 322° | 320° | 322° | 155° | 157° | 156° | 195° | 220° | 210° | |||
| wind direction | N | NNW | NNW | NNW | NNW | NNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | SSE | SSE | SSE | SSW | SW | SSW | |||
| 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 | 90% | 90% | 90% | 90% | 91% | 92% | 92% | 92% | 91% | 92% | 81% | 69% | 61% | 56% | 68% | 48% | 45% | 56% | 46% | 50% | 61% | 56% | 60% | 75% | |||
| dew point | 17.6° | 17.5° | 17.4° | 17.3° | 17.3° | 17.3° | 17.3° | 17.3° | 17.2° | 17.5° | 16.8° | 16.5° | 18.1° | 18.7° | 17.8° | 17.6° | 17° | 19.2° | 15.4° | 15° | 17.1° | 15.6° | 16.2° | 18° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 16 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 | 98% | 98% | 98% | 93% | 80% | 73% | 80% | 93% | 85% | 37% | 24% | 50% | 0% | 0% | 12% | 0% | 0% | 2% | 0% | 0% | 2% | 1% | 5% | 50% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.6 | 2.1 | 4.4 | 5.9 | 6.7 | 6.3 | 4.9 | 3.1 | 1.5 | 0.5 | 0 | 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.
Stay informed and make the most of your day with our live weather updates from Fairfax today.
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 21 °F for September 18th in recent years.
temperatures
30 °F
rain
0 mm
wind
8 km/h
UV
Low
Fairfax daylight overview ☀️
Today in Fairfax, The sun rises at 06:54 and sets at 19:12, giving a total daylight duration of 12 hours and 18 minutes.
Quick links
More Fairfax weather pages
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
Breathable footwear
Sunglasses
Wide brimmed hat
Sunscreen
Flip flop
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? 🌧️
No, there is no significant chance of rain in Fairfax today. It should be a dry day.
What will be the wind speed today in Fairfax? 🌀
The wind in Fairfax is expected to blow at 8 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 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 today.
What is the sunrise and sunset time for Fairfax today?
The sun is expected to rise at 06:54 and set at 19:12 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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Where is Fairfax?Get accurate weather forecasts for Fairfax, located at latitude 38.846 and longitude -77.306. Stay updated with localized weather information tailored for Fairfax.
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