Weather forecast for tomorrowCopiapó, Chile
Weather forecast for tomorrow
Wednesday 21. Oct 2026
- 28°C
- 15°C
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 21km/hWNW 300°
- Humidity: 52%
- UV index: 10
- Sunrise: 06:59 -03
- Sunset: 19:52 -03
- details ▼
Tomorrow, on Wednesday, 21st of October, expect brilliant sunshine under mostly clear skies.
The highest expected temperature is a temperate 28°C, while the lowest temperature will be a moderate 15°C.
The maximum heat index, which combines relative humidity and air temperature, is appraised at 29°C.
The expected high will be relatively higher than October's standard temperature of 23.5°C.
Sunrise will be at 06:59 and sunset at 19:52; tomorrow's daylight will last for 12h and 53min.
The highest expected temperature is a temperate 28°C, while the lowest temperature will be a moderate 15°C.
The maximum heat index, which combines relative humidity and air temperature, is appraised at 29°C.
The expected high will be relatively higher than October's standard temperature of 23.5°C.
Sunrise will be at 06:59 and sunset at 19:52; tomorrow's daylight will last for 12h and 53min.
Hourly overview
Hourly temperatures
Warmest hour: 15h 27°C.
Coldest hour: 6h 15°C.
Coldest hour: 6h 15°C.
Chance of precipitation
Highest chance: 6h 7%.
Hourly weather forecast
- 0h
- 17°C
- Feels like:17°C
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 6km/hW 276°
- Humidity: 78%
- Pressure: 1015mbar
- Visibility: 15km
- UV index: 0
- details ▼
- 2h
- 16°C
- Feels like:16°C
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 5km/hNW 318°
- Humidity: 81%
- Pressure: 1015mbar
- Visibility: 15km
- UV index: 0
- details ▼
- 4h
- 16°C
- Feels like:16°C
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 5km/hNE 53°
- Humidity: 84%
- Pressure: 1014mbar
- Visibility: 15km
- UV index: 0
- details ▼
- 6h
- 15°C
- Feels like:15°C
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 6km/hE 89°
- Humidity: 86%
- Pressure: 1014mbar
- Visibility: 15km
- UV index: 0
- details ▼
Sunrise: 06:59
- 8h
- 16°C
- Feels like:16°C
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 6km/hNE 51°
- Humidity: 79%
- Pressure: 1015mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 10h
- 21°C
- Feels like:21°C
Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 7km/hWNW 304°
- Humidity: 59%
- Pressure: 1015mbar
- Visibility: 16km
- UV index: 4
- details ▼
- 12h
- 25°C
- Feels like:25°C
Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 14km/hW 280°
- Humidity: 43%
- Pressure: 1014mbar
- Visibility: 16km
- UV index: 9
- details ▼
- 14h
- 27°C
- Feels like:27°C
Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 19km/hW 275°
- Humidity: 38%
- Pressure: 1013mbar
- Visibility: 16km
- UV index: 10
- details ▼
- 16h
- 27°C
- Feels like:27°C
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 21km/hW 279°
- Humidity: 38%
- Pressure: 1013mbar
- Visibility: 16km
- UV index: 6
- details ▼
- 18h
- 25°C
- Feels like:25°C
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 19km/hW 275°
- Humidity: 44%
- Pressure: 1013mbar
- Visibility: 16km
- UV index: 1
- details ▼
Sunset: 19:52
- 20h
- 21°C
- Feels like:21°C
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 14km/hW 270°
- Humidity: 60%
- Pressure: 1014mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 22h
- 19°C
- Feels like:19°C
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 8km/hW 272°
- Humidity: 71%
- Pressure: 1015mbar
- Visibility: 16km
- UV index: 0
- details ▼
Tomorrow, on Wednesday, a combination of cloud-filled and clear weather is expected.
The temperature will vary between the lowest temperature of 15°C and the highest temperature of 27°C. The warmest part of the day will be from 14h to 17h.
The forecasted high will be a few degrees higher than the typical October maximum of 23.5°C. The minimum temperature will be also a few degrees higher than October's average low of 12.5°C.
The temperature will vary between the lowest temperature of 15°C and the highest temperature of 27°C. The warmest part of the day will be from 14h to 17h.
The forecasted high will be a few degrees higher than the typical October maximum of 23.5°C. The minimum temperature will be also a few degrees higher than October's average low of 12.5°C.
Updated: Oct 20, 2026 @ 20:19:34 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Wednesday, in Copiapó, sunshine will dominate, with only occasional cloud cover.
Tomorrow, the maximum temperature will be 28°C, while the minimum temperature will be 15°C. The maximum heat index, which reflects the perceived temperature due to humidity levels, is computed to be 29°C.
The highest temperature will be a couple of degrees higher than the average maximum of 23.5°C in October. The lowest temperature will be also slightly warmer than the average low of 12.5°C.
The highest temperature will be a couple of degrees higher than the average maximum of 23.5°C in October. The lowest temperature will be also slightly warmer than the average low of 12.5°C.
On Wednesday, in Copiapó, sunrise will be at 06:59 and sunset at 19:52 (-03).
In Copiapó, the length of the day tomorrow will be 12h and 53min.





