See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
14°
Overcast
Feels Like: 15°
Min: 13°
Max: 23°
The next few hours will be overcast, with today reaching 23°C and dropping to 13°C. The coming days will be drizzle throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:27
Sunrise
18:32
Sunset
Moon
Waxing Crescent
11:19
Moonrise
21:37
Moonset
Daily Forecast
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Weather in San Isidro today, September 16, 2026
San Isidro starts September 16, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Cloud leads the morning, peaking close to 94% near 06:00. Sunshine has little room until later in the day.
Expect highs of 23°C and cooler readings close to 13°C. Moisture in the air spans 41%-98%, with the highest values around 06:00. Airflow remains manageable, reaching about 2.6 km/h around 15:00.
Through the afternoon wet weather remains a factor, with rain chances near 52% around 16:00. Cloud also stays substantial, close to 92% near 12:00. Views remain open at about 16.1 km. The sun rises at 06:27 and sets at 18:32, for a total of 12 hours 5 minutes of sunlight today.
In short, treat September 16, 2026 in San Isidro as a damp day: pack covers, watch the wetter hours, and expect a high near 23°C.
Frequently asked questions about weather in San Isidro
How warm does it get in San Isidro?
The warmest month in San Isidro is May, with average high temperatures of 25°C. The average temperature during this period is around 18°C.
How cold does it get in San Isidro?
The coldest month in San Isidro is January, with average low temperatures of 5°C. The average temperature during this period is around 12°C.
What is the wettest time of year in San Isidro?
The wettest month in San Isidro is July, with an average of 388mm of precipitation.
What is the driest time of year in San Isidro?
The driest month in San Isidro is February, with an average of 16mm of precipitation.
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