Río Grande

Río Grande Barrio-Pueblo, Río Grande Municipio, Puerto Rico

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Current Weather

28°

Clear

Feels Like: 32°

Min: 28°

Max: 30°

The next few hours will be possible thunderstorms, with today reaching 30°C and dropping to 28°C. The coming days will be thunderstorm

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Hourly Forecast

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Daylight Hours

06:16

Sunrise

18:11

Sunset

11 hours 55 minutes of sunlight today

Moon

Waxing Gibbous

17:36

Moonrise

05:06

Moonset

Daily Forecast

Today

28°
30°

Saturday

28°
29°

Sunday

28°
29°

Monday

29°
30°

Tuesday

28°
29°

Wednesday

28°
29°

Thursday

29°
29°

Friday

28°
29°

Saturday

28°
29°

Sunday

27°
29°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

77% Humid
Low High

Current stargazing conditions?

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Weather in Río Grande today, September 25, 2026

Río Grande is set for a fine, sunny day on September 25, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Morning skies stay relatively clear, holding cloud close to 6% near 08:00. The early part of the day favours being outside.

The day peaks near 30°C and cools toward 28°C. The air stays humid, with relative humidity between 69% and 78% and the peak around 02:00. Airflow remains manageable, reaching about 6.5 km/h around 14:00.

Later hours favour clearer intervals, as cloud stays near 6% around 12:00. The afternoon is the better half for outdoor time. Views remain open at about 16.1 km. Expect sunrise at 06:16, sunset at 18:11, and 11 hours 55 minutes of sunlight today overall.

The practical takeaway for Río Grande is a bright September 25, 2026, ideal for outdoor errands before temperatures ease from about 30°C.

Frequently asked questions about weather in Río Grande

How warm does it get in Río Grande?

The warmest month in Río Grande is September, with average high temperatures of 30°C. The average temperature during this period is around 28°C.

How cold does it get in Río Grande?

The coldest month in Río Grande is February, with average low temperatures of 24°C. The average temperature during this period is around 25°C.

What is the wettest time of year in Río Grande?

The wettest month in Río Grande is September, with an average of 151mm of precipitation.

What is the driest time of year in Río Grande?

The driest month in Río Grande is January, with an average of 53mm of precipitation.

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Metric (°C, km/h)