See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Mostly Cloudy
Feels Like: 20°
Min: 19°
Max: 27°
The next few hours will be mostly cloudy, with today reaching 27°C and dropping to 20°C. The coming days will be partly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:04
Sunrise
18:01
Sunset
Moon
Waxing Crescent
09:00
Moonrise
21:13
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Callao.
UV Index
Humidity
Weather in Callao today, September 15, 2026
Callao stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 72% around 07:00. Grey conditions set the early tone before any later change.
The temperature range runs from about 19°C up to 27°C. Moisture in the air spans 55%-92%, with the highest values around 06:00. Winds stay light, near 2.6 km/h by 16:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 60% by 22:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.6 km on average, though it can drop toward 4.2 km in thicker cloud or showers. Expect sunrise at 06:04, sunset at 18:01, and 11 hours 56 minutes of sunlight today overall.
In short, cloud leads the story in Callao on September 15, 2026; expect limited sun and a peak around 27°C.
Frequently asked questions about weather in Callao
How warm does it get in Callao?
The warmest month in Callao is February, with average high temperatures of 25°C. The average temperature during this period is around 23°C.
How cold does it get in Callao?
The coldest month in Callao is August, with average low temperatures of 16°C. The average temperature during this period is around 17°C.
What is the wettest time of year in Callao?
The wettest month in Callao is February, with an average of 39mm of precipitation.
What is the driest time of year in Callao?
The driest month in Callao is August, with an average of 4mm of precipitation.
