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26°
Dry and Mostly Clear
Feels Like: 26°
Min: 21°
Max: 31°
The next few hours will be dry and mostly clear, with today reaching 31°C and dropping to 17°C. The coming days will be mostly clear
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:20
Sunrise
19:29
Sunset
Moon
Waxing Gibbous
18:44
Moonrise
06:33
Moonset
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View stargazing scoreWeather in San Juan today, September 25, 2026
Plan for bright conditions in San Juan on September 25, 2026, though cloud cover thickens for a spell near 02:00. The day as a whole still leans toward sunshine. The opening hours look fair, as cloud stays near 23% around 02:00. Morning errands should face fewer weather interruptions.
Temperatures climb from an overnight low near 21°C toward a daytime high of about 31°C. The air stays humid, with relative humidity between 7% and 21% and the peak around 09:00. Expect gentle winds, highest near 02:00 at 4.0 km/h.
Later hours favour clearer intervals, as cloud stays near 18% around 12:00. The afternoon is the better half for outdoor time. Horizontal visibility holds close to 16.1 km. Daylight runs from 07:20 to 19:29, lasting 12 hours 8 minutes of sunlight today.
In short, September 25, 2026 looks like a fine day in San Juan for being outside, peaking around 31°C.
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