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Weather in Oneroa, Cook Islands 🇨🇰

Live weather in Oneroa, currently 22°C with clear. View the 7-day forecast, hourly conditions, and air quality index. Oneroa is in Cook Islands — see weather across all major cities in Cook Islands, or browse the hottest cities right now worldwide.

Clear weather in Oneroa, Cook Islands

22.2°C

feels like 18.9°C

Clear

Current Weather in Oneroa, Cook Islands Updated at 11:45 PM today

💧 Humidity: 78%
🌬️ Wind: 31.7 kph (107°)
🌡️ Pressure: 1016.0 mb
👁️ Visibility: 10.0 km
🌧️ Precipitation: 0.0 mm
☁️ Cloud Cover: 7%
☀️ UV Index: 0.0
🌅 Sunrise: 06:36 AM
🌇 Sunset: 06:23 PM

What is the weather like in Oneroa right now?

Oneroa stays warm tonight at 22°C, with clear skies. Clear skies overhead — good conditions for stargazing tonight. It feels slightly cooler than it reads, nearer 19°C. It's windy — 32 kph gusts driving in from the west. Sticky conditions — humidity is up at 78%.

Breathe easy: air quality reads good, EPA index 1. Sunrise was 06:36 AM, sunset is 06:23 PM: 11h 47m of light in Oneroa.

There's a 63% chance of rain today, with around 1 mm forecast. Dry conditions look set to hold through today and tonight. Today is about typical for September in Oneroa.

Temperatures stay fairly flat this week, near 23°C most afternoons. For context, the record high for this date in Oneroa is 27°C. Tonight's moon should be well worth a look under these clear skies.

Bottom line: it's a great day to be outside in Oneroa.

7-Day Weather Forecast for Oneroa, Cook Islands 🇨🇰

  • Max Temp
  • Avg. Temp
  • Min Temp
  • Avg. Humidity
  • Max Wind
  • Total Precip
  • UV Index
  • Sunrise
  • Sunset
  • Moon Phase
Mon 7. Sep
Patchy rain nearby on Mon 7. Sep in Oneroa
Patchy rain nearby
22.9°C
22.4°C
22.1°C
80%
31.0 kph
0.9 mm
9.0
06:35 AM
06:23 PM
Waning Crescent
Tue 8. Sep
Sunny on Tue 8. Sep in Oneroa
Sunny
23.0°C
22.8°C
22.4°C
80%
23.0 kph
0.8 mm
10.0
06:34 AM
06:24 PM
Waning Crescent
Wed 9. Sep
Sunny on Wed 9. Sep in Oneroa
Sunny
23.0°C
22.5°C
22.1°C
82%
14.4 kph
0.1 mm
10.0
06:33 AM
06:24 PM
New Moon
Thu 10. Sep
Sunny on Thu 10. Sep in Oneroa
Sunny
23.1°C
22.7°C
22.5°C
79%
12.6 kph
0.2 mm
10.0
06:33 AM
06:24 PM
New Moon
Fri 11. Sep
Sunny on Fri 11. Sep in Oneroa
Sunny
23.2°C
22.8°C
22.5°C
75%
15.8 kph
0.0 mm
7.0
06:32 AM
06:24 PM
New Moon
Sat 12. Sep
Sunny on Sat 12. Sep in Oneroa
Sunny
22.9°C
22.6°C
22.2°C
80%
16.9 kph
0.0 mm
7.0
06:31 AM
06:25 PM
New Moon
Sun 13. Sep
Sunny on Sun 13. Sep in Oneroa
Sunny
22.9°C
22.6°C
22.2°C
76%
13.0 kph
0.0 mm
7.0
06:30 AM
06:25 PM
Waxing Crescent

Hourly Weather Forecast for Oneroa, Cook Islands 🇨🇰 Today

Monday, September 07, 2026
24.0°C
23.0°C
22.0°C
21.0°C
20.0°C
12AM
Patchy rain nearby at 12am in Oneroa
22.0°
0.0 mm
31.0 km/h
1AM
Patchy rain nearby at 1am in Oneroa
22.0°
0.0 mm
28.0 km/h
2AM
Patchy rain nearby at 2am in Oneroa
22.0°
0.1 mm
27.0 km/h
3AM
Patchy rain nearby at 3am in Oneroa
22.0°
0.1 mm
28.0 km/h
4AM
Patchy rain nearby at 4am in Oneroa
22.0°
0.1 mm
28.0 km/h
5AM
Patchy rain nearby at 5am in Oneroa
22.0°
0.1 mm
28.0 km/h
6AM
Patchy rain nearby at 6am in Oneroa
22.0°
0.1 mm
29.0 km/h
7AM
Patchy rain nearby at 7am in Oneroa
22.0°
0.1 mm
28.0 km/h
8AM
Patchy rain nearby at 8am in Oneroa
22.0°
0.0 mm
28.0 km/h
9AM
Patchy rain nearby at 9am in Oneroa
22.0°
0.1 mm
29.0 km/h
10AM
Patchy rain nearby at 10am in Oneroa
22.0°
0.1 mm
31.0 km/h
11AM
Patchy rain nearby at 11am in Oneroa
22.0°
0.1 mm
30.0 km/h
12PM
Patchy rain nearby at 12pm in Oneroa
22.0°
0.0 mm
28.0 km/h
1PM
Patchy rain nearby at 1pm in Oneroa
22.0°
0.0 mm
28.0 km/h
2PM
Patchy rain nearby at 2pm in Oneroa
22.0°
0.0 mm
27.0 km/h
3PM
Patchy rain nearby at 3pm in Oneroa
22.0°
0.0 mm
26.0 km/h
4PM
Patchy rain nearby at 4pm in Oneroa
22.0°
0.0 mm
24.0 km/h
5PM
Patchy rain nearby at 5pm in Oneroa
22.0°
0.0 mm
23.0 km/h
6PM
Patchy rain nearby at 6pm in Oneroa
23.0°
0.0 mm
22.0 km/h
7PM
Patchy rain nearby at 7pm in Oneroa
23.0°
0.1 mm
22.0 km/h
8PM
Patchy rain nearby at 8pm in Oneroa
23.0°
0.0 mm
22.0 km/h
9PM
Patchy rain nearby at 9pm in Oneroa
23.0°
0.0 mm
23.0 km/h
10PM
Overcast at 10pm in Oneroa
23.0°
24% Rain
22.0 km/h
11PM
Patchy rain nearby at 11pm in Oneroa
23.0°
0.0 mm
24.0 km/h

Air Quality Index in Oneroa, Cook Islands 🇨🇰 (AQI)

US EPA Index

Environmental Protection Agency

1 2 3 4 5 6

UK DEFRA Index

Department for Environment, Food & Rural Affairs

1 3 5 7 9 10

Parameter Value
US EPA Index: 1 (Good)
UK DEFRA Index: 1 (Low)
CO: 69.0 µg/m³
O3: 52.0 µg/m³
NO2: 0.0 µg/m³
SO2: 0.2 µg/m³
PM2.5: 5.8 µg/m³
PM10: 10.3 µg/m³

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Weather in Oneroa — Frequently Asked Questions

What is the weather in Oneroa right now?
Right now in Oneroa, Cook Islands, it is 22°C with clear. Humidity is 78% and wind speed is 32 kph. Conditions feel like 19°C.
What will the weather be in Oneroa tomorrow?
Tomorrow in Oneroa, expect sunny with a high of 23°C and a low of 22°C. Chance of precipitation: 0.8 mm.
Will it rain in Oneroa today?
No active precipitation in Oneroa right now. Use the hourly forecast above to see chances of rain through the day.
What is the temperature in Oneroa today?
Today in Oneroa, temperatures range from a low of 22°C to a high of 23°C, currently 22°C.