See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
27°
Light Rain
Feels Like: 36°
Min: 24°
Max: 31°
The next few hours will be humid and mostly cloudy, with today reaching 31°C and dropping to 23°C. The coming days will be drizzle throughout the day and possible thunderstorms from afternoon until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:43
Sunrise
17:49
Sunset
Moon
Waxing Crescent
09:03
Moonrise
20:32
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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Weather in San Mariano today, September 15, 2026
San Mariano starts September 15, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.
Expect highs of 31°C and cooler readings close to 24°C. Relative humidity sits between 83% and 97%, reaching its peak around 20:00. Expect gentle winds, highest near 17:00 at 1.7 km/h.
Afternoon showers stay in play, peaking near 96% around 16:00. Skies remain cluttered, with cover about 95% by 20:00. Expect visibility around 16.1 km. Expect sunrise at 05:43, sunset at 17:49, and 12 hours 5 minutes of sunlight today overall.
In short, treat September 15, 2026 in San Mariano as a damp day: pack covers, watch the wetter hours, and expect a high near 31°C.
Frequently asked questions about weather in San Mariano
How warm does it get in San Mariano?
The warmest month in San Mariano is June, with average high temperatures of 34°C. The average temperature during this period is around 29°C.
How cold does it get in San Mariano?
The coldest month in San Mariano is February, with average low temperatures of 21°C. The average temperature during this period is around 24°C.
What is the wettest time of year in San Mariano?
The wettest month in San Mariano is July, with an average of 285mm of precipitation.
What is the driest time of year in San Mariano?
The driest month in San Mariano is April, with an average of 47mm of precipitation.
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