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Tomorrow weather in San Juan

Thursday, 13th August 2026
tomorrow weather
31°
Patchy rain possible
Feels like 34° · Low 27°
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The weather tomorrow in San Juan will be similar like today, with max temperatures of 30°.

The rain will stop, and no rain is expected in San Juan tomorrow.

The wind tomorrow will get stronger and reach 30 km/h.

31° / 27°
Temp
36%
Rain
30 km/h
Wind
74%
Humidity

San Juan hourly forecast for tomorrow

Scroll right to see more weather forecasts for San Juan tomorrow
00:0001:0002:0003:0004:0005:0006:0006:0507:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0018:5219:0020:0021:0022:0023:00
weatherPatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblesunrisePatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possibleSunnySunnySunnySunnySunnySunnySunnysunsetPatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possibleNext
temperatures26.8°26.7°26.6°26.7°26.7°26.8°26.8°Sunrise27.2°28.4°29.3°29.9°30.3°30.8°30.9°30.9°30.7°30.1°29.5°28.6°Sunset27.6°27.1°26.8°26.7°26.7°
Feels like29.8°29.6°29.3°29.5°29.5°29.7°29.7°30.6°32.8°34.2°34.9°34.9°34.4°34.1°34.2°34°33.4°32.8°31.6°30.2°29.6°29.1°28.8°28.7°
wind speed18 km/h17 km/h17 km/h17 km/h17 km/h18 km/h19 km/h19 km/h22 km/h28 km/h30 km/h31 km/h30 km/h30 km/h30 km/h31 km/h30 km/h28 km/h26 km/h23 km/h22 km/h22 km/h23 km/h23 km/h
wind degree120°124°126°124°119°117°117°118°111°105°104°102°102°101°99°98°101°103°106°106°107°107°106°107°
wind directionESESESESEESEESEESEESEESEESEESEESEESEESEEEEESEESEESEESEESEESEESE
Precipitation0.1 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0.1 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
chance for rain23%21%19%18%18%18%25%21%15%21%17%12%4%4%3%3%4%4%6%17%14%21%20%19%
chance for snow0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%
humidity85%86%85%85%85%85%85%84%78%74%71%66%60%57%58%59%62%64%68%74%76%78%79%79%
dew point24.2°24.1°24°24°24°24.1°24.1°24.2°24.2°24.2°24°23.3°22.1°21.6°21.7°21.8°21.9°22.1°22.1°22.4°22.6°22.7°22.8°22.7°
visibility10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km
cloud cover58%64%55%54%51%53%89%73%52%82%87%73%18%16%11%3%0%3%14%82%52%82%74%71%
UV00000000.21.13.86.58.810.610.58.85.831.10.200000

Weather in San Juan tomorrow

The temperature tomorrow in San Juan is expected to be typical for this time of year, with a forecast of 31 °C, closely aligning with the historical average for 13th of August.

temperatures
temperatures
31 °C
rain
rain
0.4 mm
wind
wind
30 km/h
10.6
UV
Extreme
San Juan daylight overview ☀️
Tomorrow in San Juan, The sun rises at 06:05 and sets at 18:52, giving a total daylight duration of 12 hours and 47 minutes.
🌅Sunrise, sunset & moon times - San JuanDay length, twilight, golden hour and tonight's moon phase.Sun & Moon →
Provinces in San Juan
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Quick links

More San Juan weather pages

What to wear tomorrow in San Juan? clothing recommendations

Stay comfortably stylish - your tailored guide for tomorrow's San Juan forecast.
  • Short-sleeve shirtShort-sleeve shirt
  • ShortsShorts
  • Lightweight pantsLightweight pants
  • Breathable footwearBreathable footwear
  • SunglassesSunglasses
  • Wide brimmed hatWide brimmed hat
  • SunscreenSunscreen
  • Flip flopFlip flop

The weather tomorrow in San Juan - FAQ

What is the maximum temperature for tomorrow in San Juan?

The maximum temperature for tomorrow in San Juan is expected to be 31° degrees. Please dress accordingly to stay comfortable throughout the day.

Will it rain tomorrow in San Juan? 🌧️

Yes, there is a 36% chance of rain in San Juan tomorrow. We recommend carrying an umbrella or rain gear to stay dry.

What will be the wind speed tomorrow in San Juan? 🌀

The wind in San Juan is expected to blow at 30 km/h. This could affect outdoor activities, so plan accordingly.

How should I dress for the weather in San Juan tomorrow?

Given the forecast of 31 °C with a 36% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in San Juan tomorrow.

What is the sunrise and sunset time for San Juan tomorrow?

The sun is expected to rise at 06:05 and set at 18:52 in San Juan.

How accurate is the weather forecast San Juan tomorrow? ✅

San Juan weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
Location coordinates Where is San Juan?

Get accurate weather forecasts for San Juan, located at latitude 18.466 and longitude -66.106. Stay updated with localized weather information tailored for San Juan.

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