See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
25°
Light Rain and Humid
Feels Like: 30°
Min: 25°
Max: 32°
The next few hours will be humid and mostly clear, with tomorrow reaching 30°C and dropping to 24°C. The coming days will be light rain throughout the day and possible thunderstorms until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:49
Sunrise
17:52
Sunset
Moon
Waxing Crescent
09:58
Moonrise
21:24
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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Weather in San Luis tomorrow, September 17, 2026
Rain features in San Luis on September 17, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning carries the wetter risk, with rain chances near 62% and the highest odds around 09:00. Cloud is also thick early on, peaking near 90% around 00:00.
The day peaks near 30°C and cools toward 24°C. Expect humidity between 73% and 98%, most humid near 00:00. A lighter breeze peaks around 11:00 near 2.2 km/h.
Expect the wet theme to continue later, as rain odds reach 98% near 12:00. Cloud amounts hold near 90% around 17:00. Horizontal visibility sits around 15.4 km, briefly nearer 7.9 km. Sunrise is at 05:49 and sunset at 17:52, giving 12 hours 3 minutes of sunlight today.
Overall, San Luis on September 17, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 98% and the high sits around 30°C.
Frequently asked questions about weather in San Luis
How warm does it get in San Luis?
The warmest month in San Luis is May, with average high temperatures of 35°C. The average temperature during this period is around 30°C.
How cold does it get in San Luis?
The coldest month in San Luis is February, with average low temperatures of 23°C. The average temperature during this period is around 26°C.
What is the wettest time of year in San Luis?
The wettest month in San Luis is July, with an average of 343mm of precipitation.
What is the driest time of year in San Luis?
The driest month in San Luis is March, with an average of 13mm of precipitation.
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