Arlington County (Arlington)
Today
Today weather in Arlington County
Monday, September 21st, 2026
22°
Light rain shower
Feels like 25° · Low 15°
Official weather alert: Small Craft Advisory. Arlington County will experience a pleasantly warm today, reaching temperatures of up to 21 °F and cooling to about 15 °F in the evening. Gentle breezes are expected across Arlington County Today, with speeds reaching around 15 km/h. Rain is highly likely at 86%, but with light accumulations around 4.35 mm.
22° / 15°
Temp
86%
Rain
15 km/h
Wind
94%
Humidity
Arlington County Weather Pages
Arlington County hourly forecast for today
Scroll right to see more weather forecasts for Arlington County today
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:55 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 | 07:07 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | |  | | | | |  |  |  | | | | | | | | | | | |  | | | | | Next |
| temperatures | 21.5° | 21.1° | 20.7° | 20.2° | 19.6° | 19.1° | 18.6° | Sunrise | 18.2° | 18.6° | 19.3° | 18.4° | 18.7° | 19.1° | 19° | 17.5° | 16.3° | 15.5° | 15.3° | 15.5° | 15.7° | Sunset | 15.7° | 15.8° | 15.9° | 16° | |
| Feels like | 24.5° | 23.8° | 23.2° | 22.2° | 21° | 19.9° | 19.4° | 18.8° | 19.2° | 19.5° | 18.8° | 19.2° | 19.8° | 18.8° | 16.7° | 14.8° | 14° | 13.8° | 14.2° | 14.5° | 14.7° | 14.7° | 15.1° | 15.3° | |||
| wind speed | 5 km/h | 6 km/h | 7 km/h | 8 km/h | 9 km/h | 11 km/h | 10 km/h | 10 km/h | 10 km/h | 13 km/h | 11 km/h | 10 km/h | 10 km/h | 13 km/h | 14 km/h | 16 km/h | 14 km/h | 14 km/h | 14 km/h | 14 km/h | 14 km/h | 14 km/h | 13 km/h | 13 km/h | |||
| wind degree | 324° | 334° | 7° | 10° | 15° | 17° | 30° | 33° | 34° | 44° | 47° | 52° | 46° | 44° | 49° | 50° | 45° | 51° | 55° | 62° | 65° | 67° | 65° | 62° | |||
| wind direction | NW | NNW | N | N | NNE | NNE | NNE | NNE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | ENE | ENE | ENE | ENE | ENE | |||
| Precipitation | 0.5 mm | 0.4 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.6 mm | 0.4 mm | 0.3 mm | 0 mm | 0.2 mm | 0.5 mm | 0.4 mm | 0 mm | 0.2 mm | 0.4 mm | 0.2 mm | 0.2 mm | 0.1 mm | 0 mm | 0.1 mm | |||
| chance for rain | 63% | 57% | 25% | 20% | 20% | 28% | 24% | 32% | 23% | 64% | 56% | 49% | 31% | 45% | 60% | 55% | 35% | 47% | 59% | 47% | 46% | 39% | 34% | 46% | |||
| 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 | 94% | 96% | 96% | 96% | 96% | 96% | 96% | 95% | 93% | 89% | 93% | 91% | 91% | 88% | 90% | 91% | 91% | 92% | 94% | 94% | 96% | 96% | 96% | 97% | |||
| dew point | 20.5° | 20.4° | 20° | 19.5° | 18.9° | 18.5° | 17.9° | 17.4° | 17.4° | 17.5° | 17.3° | 17.3° | 17.6° | 17° | 15.8° | 14.8° | 14° | 14.1° | 14.6° | 14.8° | 15° | 15.1° | 15.2° | 15.5° | |||
| visibility | 10 km | 9 km | 2 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 | 10 km | 10 km | |||
| cloud cover | 98% | 89% | 43% | 5% | 7% | 56% | 34% | 75% | 64% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.9 | 2.1 | 2.2 | 1.1 | 1.2 | 1.1 | 1.1 | 0.9 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 |
View of Arlington County today
Explore Arlington County live webcam feed to see how the weather is shaping up today in Arlington County. 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 Arlington County today.
Weather in Arlington County today
The weather in Arlington County today is expected to be noticeably cooler than usual, with a forecast temperature of 22 °F, compared to an average of 24.7 °F for September 21st in recent years.
temperatures
22 °F
rain
4.4 mm
wind
15 km/h
UV
Low
Arlington County daylight overview ☀️
Today in Arlington County, The sun rises at 06:55 and sets at 19:07, giving a total daylight duration of 12 hours and 12 minutes.
Top locations in Arlington County
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What to wear today in Arlington County? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Arlington County forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
Umbrella
The weather today in Arlington County - FAQ
What is the maximum temperature for today in Arlington County?
The maximum temperature for today in Arlington County is expected to be 22° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Arlington County? 🌧️
Yes, there is a 86% chance of rain in Arlington County today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Arlington County? 🌀
The wind in Arlington County is expected to blow at 15 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Arlington County today?
Given the forecast of 22 °F with a 86% 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 Arlington County today.
What is the sunrise and sunset time for Arlington County today?
The sun is expected to rise at 06:55 and set at 19:07 in Arlington County.
How accurate is the weather forecast Arlington County today? ✅
Arlington 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 Arlington County?Get accurate weather forecasts for Arlington County, located at latitude 38.881 and longitude -77.104. Stay updated with localized weather information tailored for Arlington County.
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