Fairfax (VA)
Today
Today weather in Fairfax
Tuesday, July 21st, 2026
36°
Sunny
Feels like 44° · Low 22°
Official weather alert: Small Craft Advisory. Today, Fairfax is set to face a notably hot day, with temperatures spiking up to 35 °F and offering slight relief at 22 °F by night. It'll be quite breezy in Fairfax Today with average wind speeds of 20 km/h. Intermittent light showers are likely, with about 0.42 mm expected.
36° / 22°
Temp
36%
Rain
20 km/h
Wind
76%
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 | 06:01 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 | 08:00 PM | 08:30 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | |  |  | | |  | | |  | | | | | |  | | | | | |  |  |  | | Next |
| temperatures | 23° | 22.7° | 22.6° | 25.1° | 22.7° | 22.6° | 22.4° | Sunrise | 22.9° | 24° | 24.3° | 26.1° | 29.5° | 31.1° | 35.6° | 33° | 29.8° | 30.9° | 30.3° | 29.6° | 28.1° | 26° | Sunset | 24.1° | 23.5° | 23.1° | |
| Feels like | 16.5° | 16.3° | 16.6° | 28.2° | 17.2° | 16.9° | 16.6° | 17.1° | 17.8° | 17.9° | 24.2° | 34.3° | 35.8° | 44.1° | 35.2° | 32.4° | 32.9° | 31.9° | 31.5° | 29.1° | 23.1° | 17.8° | 17° | 16.7° | |||
| wind speed | 13 km/h | 13 km/h | 10 km/h | 8 km/h | 8 km/h | 9 km/h | 9 km/h | 9 km/h | 11 km/h | 12 km/h | 13 km/h | 14 km/h | 16 km/h | 16 km/h | 14 km/h | 9 km/h | 15 km/h | 16 km/h | 20 km/h | 13 km/h | 13 km/h | 12 km/h | 13 km/h | 13 km/h | |||
| wind degree | 167° | 164° | 166° | 171° | 165° | 161° | 163° | 178° | 182° | 195° | 197° | 210° | 220° | 244° | 253° | 279° | 272° | 244° | 245° | 239° | 196° | 193° | 204° | 206° | |||
| wind direction | SSE | SSE | SSE | S | SSE | SSE | SSE | S | S | SSW | SSW | SSW | SW | WSW | WSW | W | W | WSW | WSW | WSW | SSW | SSW | SSW | SSW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.1 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.1 mm | 0 mm | 0 mm | 0 mm | 0.1 mm | 0.2 mm | |||
| chance for rain | 10% | 12% | 14% | 15% | 27% | 17% | 17% | 16% | 15% | 34% | 21% | 7% | 4% | 3% | 8% | 5% | 5% | 4% | 17% | 3% | 6% | 13% | 35% | 39% | |||
| 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% | 89% | 91% | 82% | 94% | 94% | 94% | 93% | 90% | 89% | 83% | 72% | 63% | 54% | 46% | 60% | 52% | 53% | 56% | 55% | 63% | 80% | 89% | 91% | |||
| dew point | 19.9° | 20.7° | 21.1° | 21.4° | 21.7° | 21.7° | 21.4° | 21.7° | 22.3° | 22.3° | 23° | 23.9° | 23.2° | 25° | 19.9° | 21.2° | 19.9° | 19.6° | 20.1° | 18.2° | 18.4° | 20.4° | 21.6° | 21.7° | |||
| visibility | 10 km | 10 km | 9 km | 14 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 5 km | 9 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 | 1% | 0% | 2% | 100% | 79% | 21% | 22% | 20% | 25% | 88% | 76% | 5% | 2% | 14% | 77% | 33% | 48% | 30% | 74% | 14% | 27% | 44% | 80% | 82% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.9 | 2.4 | 4.6 | 6.4 | 8 | 8.8 | 8.1 | 2.5 | 3 | 0.6 | 0.3 | 0.1 | 0 | 0 | 0 | 0 |
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View of Fairfax today
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Weather in Fairfax today
The weather in Fairfax today is expected to be noticeably warmer than usual, with a forecast temperature of 36 °F, compared to an average of 31 °F for July 21st in recent years.
temperatures
36 °F
rain
0.4 mm
wind
20 km/h
UV
Very High
Fairfax daylight overview ☀️
Today in Fairfax, The sun rises at 06:01 and sets at 20:30, giving a total daylight duration of 14 hours and 29 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
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 36° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Fairfax? 🌧️
Yes, there is a 36% 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 20 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Fairfax today?
Given the forecast of 36 °F with a 36% 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 06:01 and set at 20:30 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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