Weather in Cairns Today

Live

Current temperature in Cairns: 21°C (70°F). Drizzle. Today's high 24°C (75°F), low 19°C (66°F).

Live · Current ConditionsDay
21°
Drizzle
RealFeel® 22°C
89%Humid
Rain probability: 80%· Expected: 0.3mm this hour
High24°
Low19°
16km/hSEWind fromSouth-East· Max 24
Gentle Breeze · Gusts 61 km/h
City
00:00AM
UTC+0:00
Sunrise ·
Sunset ·

Today's Daylight Forecast

Drizzle
Fri, Sep 118:30 AMDay
11h 56m daylight today24h view
Sunrise6:15 AMDawn 5:45 AM
Daylight remaining9h 40mNoon 12:13 PMTotal 11h 56m
Sunset6:11 PMDusk 6:41 PM
NowDrizzle+20°C

Moon & Islamic Calendar

Health & Activity Advice
🟡 High UVAQI 48 · Good

High UV apply sunscreen before heading out. A hat or sun umbrella is recommended during peak hours.

5-Day Weather Forecast

Full 15-Day Forecast

Atmospheric Details

Wind
16 km/h
SE · Gentle Breeze · Max 24 km/h
Humidity
89 %
High · feels muggy
UV Index
8
Very High
Visibility
6 km
Good
Pressure
1022 hPa
High · stable
Dew Point
19°C
Somewhat humid

Today vs Normal

24°C-2° below normal

The long-term average high for today is 26°C.

6 of the last 20 days with published data ran above normal.

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

2026-08-19: 21°C21°2026-08-20: 20°C20°2026-08-21: 22°C22°2026-08-22: 23°C23°2026-08-23: 23°C23°2026-08-24: 23°C23°2026-08-25: 25°C25°2026-08-26: 25°C25°2026-08-27: 25°C25°2026-08-28: 24°C24°2026-08-29: 23°C23°2026-08-30: 22°C22°

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

Air Quality

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.

Nearby Regional Outlook

Cairns Weather Radar

Live precipitation · Cloud cover · Wind

View live radar →

Frequently Asked Questions

What is the hottest month in Cairns?

The hottest month in Cairns is typically February, with daytime highs averaging around 30.8°C (87°F), based on 10 years of historical weather data. Overnight lows during this period average near 24.4°C (76°F).

What is the coldest month in Cairns?

The coldest month in Cairns is typically August, with overnight lows averaging around 17.7°C (64°F) and daytime highs near 25.1°C (77°F), based on 10 years of historical weather data.

When does the rainy season start in Cairns?

Cairns has a clearly defined rainy season running roughly from January to March, based on 10 years of historical rainfall data. January is typically the wettest month, averaging about 434 mm of rain. Outside this window, rainfall is much lighter for the rest of the year.

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

The best time to visit Cairns is typically June to September, when daytime highs average a comfortable 25.3°C (78°F). Rainfall during this window averages around 46 mm, well below the 434 mm seen in January, the wettest month. This is based on 10 years of historical weather data.

Is Cairns's air quality safe right now?

As of the latest reading, Cairns's air quality index (AQI) is 48, rated "Good", based on the nearest monitoring station. Air quality is considered satisfactory, with little to no health risk.