UV index is 7 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.

High humidity (73%) combined with the heat means it will feel more uncomfortable than the air temperature alone suggests — stay hydrated if you're active outside.

Nearby Regional Outlook

Arlington Weather Radar

Live precipitation · Cloud cover · Wind

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Frequently Asked Questions

What is the hottest month in Arlington?

The hottest month in Arlington is typically July, with daytime highs averaging around 35.3°C (96°F), based on 10 years of historical weather data. Overnight lows during this period average near 25.5°C (78°F). Take extra precautions during this time stay hydrated and avoid strenuous outdoor activity in peak afternoon heat.

What is the coldest month in Arlington?

The coldest month in Arlington is typically January, with overnight lows averaging around 3.2°C (38°F) and daytime highs near 13.4°C (56°F), based on 10 years of historical weather data.

Does Arlington have a rainy season?

Arlington doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. May is the wettest month on average (about 170 mm), while July is the driest (about 53 mm).

What's the best time of year to visit Arlington?

The best time to visit Arlington is typically March, when daytime highs average a comfortable 21.5°C (71°F). Rainfall during this window averages around 98 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Is Arlington's air quality safe right now?

As of the latest reading, Arlington's air quality index (AQI) is 15, rated "Good", based on the nearest monitoring station. Air quality is considered satisfactory, with little to no health risk.

Atmospheric Details

Wind

13 km/h

S · Gentle Breeze · Max 16 km/h

Humidity

73 %

High · feels muggy

UV Index

Very High

Visibility

16 km

Excellent

Pressure

991 hPa

Low · change likely

Dew Point

22°C

Very humid

Today vs Normal

37°C+4° above normal

The long-term average high for today is 33°C.

28 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

Red = above normal, blue = at or below · last 12 days

Air Quality

Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Health & Activity Advice

⚠ Take Precautions

UV index is 7 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.

High humidity (73%) combined with the heat means it will feel more uncomfortable than the air temperature alone suggests — stay hydrated if you're active outside.