UV index is 8 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.

Nearby Regional Outlook

Tucson Weather Radar

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Frequently Asked Questions

What is the hottest month in Tucson?

The hottest month in Tucson is typically June, with daytime highs averaging around 38.6°C (101°F), based on 10 years of historical weather data. Overnight lows during this period average near 23.5°C (74°F). Take extra precautions during this time stay hydrated and avoid strenuous outdoor activity in peak afternoon heat.

What is the coldest month in Tucson?

The coldest month in Tucson is typically January, with overnight lows averaging around 4.7°C (40°F) and daytime highs near 17.7°C (64°F), based on 10 years of historical weather data.

Does Tucson have a rainy season?

Tucson doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. July is the wettest month on average (about 52 mm), while May is the driest (about 3 mm).

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

The best time to visit Tucson is typically November, when daytime highs average a comfortable 24.3°C (76°F). Rainfall during this window averages around 23 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Is Tucson's air quality safe right now?

As of the latest reading, Tucson's air quality index (AQI) is 19, rated "Good", based on the nearest monitoring station. Air quality is considered satisfactory, with little to no health risk.

Atmospheric Details

Wind

11 km/h

E · Light Breeze · Max 39 km/h

Humidity

57 %

Comfortable

UV Index

Very High

Visibility

16 km

Excellent

Pressure

927 hPa

Low · change likely

Dew Point

18°C

Somewhat humid

Today vs Normal

37°C+5° above normal

The long-term average high for today is 32°C.

21 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 8 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.