7-Day Weather Forecast

San Juan 7-Day Weather Forecast

San Juan

Jul 30 – Aug 5, 2026 as of 08:26

Week at a glance

Week high +36°C +97°F Sat, 1 Aug

Week low +24°C +75°F Wed, 5 Aug

Days with rain chance 7 Thu, 30 Jul · 80%

Avg. high +35°C +95°F

San Juan — 7-Day Weather Forecast

Weather FAQ for San Juan

What is the temperature in San Juan?

The temperature in San Juan is +35°C.

What does it feel like in San Juan?

It feels like +25°C in San Juan.

What are the high and low in San Juan?

The high is +35°C and the low is +25°C in San Juan.

What is the chance of rain in San Juan?

There is a 80% chance of precipitation in San Juan.

How windy is it in San Juan?

Winds are around 5 m/s from the E in San Juan.

What is the UV index in San Juan?

The UV index is 9 in San Juan.

San Juan weather forecast day by day

Next 7 days in San Juan with daily highs, lows, rain chance and wind.

Thursday, 30 July weather in San Juan

On Thursday, 30 July, the San Juan forecast calls for Thunderstorm, with a high near 35°C and a low around 25°C (feeling like 41°C). About 7.3 mm of precipitation is expected. UV index peaks near 9 — sun protection is advised. Typical daytime humidity is around 67%.

Friday, 31 July weather in San Juan

On Friday, 31 July, the San Juan forecast calls for Thunderstorm, with a high near 35°C and a low around 25°C (feeling like 41°C). About 2.2 mm of precipitation is expected. UV index peaks near 9 — sun protection is advised. Typical daytime humidity is around 62%.

Saturday, 1 August weather in San Juan

On Saturday, 1 August, the San Juan forecast calls for Overcast, with a high near 36°C and a low around 25°C (feeling like 42°C). UV index peaks near 9 — sun protection is advised. Typical daytime humidity is around 59%.

Sunday, 2 August weather in San Juan

On Sunday, 2 August, the San Juan forecast calls for Overcast, with a high near 35°C and a low around 25°C (feeling like 42°C). UV index peaks near 9 — sun protection is advised. Typical daytime humidity is around 59%.

Monday, 3 August weather in San Juan

On Monday, 3 August, the San Juan forecast calls for Partly Cloudy, with a high near 36°C and a low around 25°C (feeling like 42°C). UV index peaks near 9 — sun protection is advised. Typical daytime humidity is around 58%.

Tuesday, 4 August weather in San Juan

On Tuesday, 4 August, the San Juan forecast calls for Thunderstorm, with a high near 35°C and a low around 25°C (feeling like 39°C). About 4.8 mm of precipitation is expected. Typical daytime humidity is around 62%.

Wednesday, 5 August weather in San Juan

On Wednesday, 5 August, the San Juan forecast calls for Overcast, with a high near 35°C and a low around 24°C (feeling like 40°C). About 0.6 mm of precipitation is expected. Typical daytime humidity is around 61%.