San Juan weather live forecast

Today's maximum temperature in San Juan is expected to be 77°F. Select a day from the live weather forecast for San Juan, Puerto Rico for more weather parameters.

Tuesday
3rd Feb
77

75

0

2
Wednesday
4th Feb
77

77

1

3
Thursday
5th Feb
82

75

5

7
Friday
6th Feb
82

75

7

8
Saturday
7th Feb
79

75

4

8

5-day weather forecast updated at 04:00 on Tuesday 3rd February 2026 GMT

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The 5-day weather forecast for Puerto Rico (San Juan) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

San Juan weather forecast by day

Below are the detailed weather forecasts for San Juan for the next 5 days.

San Juan weather for Tuesday 3rd February 2026

Expect cloudy with some rain in San Juan, Puerto Rico with a maximum temperature of 77°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 83% chance of some rain and a moderate breeze of 15 mph from the north-east.

77
°F maximum temperature
75
°F minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
83
% chance of some rain
<10
mm of rainfall expected
77
°F wind chill
15
mph wind from NE

San Juan weather for Wednesday 4th February 2026

Expect isolated thunderstorms in San Juan, Puerto Rico with a maximum temperature of 77°F, low levels of heat & humidity, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 12 mph from the east.

77
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
1
hour of sunshine
3
UV index (Moderate)
90
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
12
mph wind from E

San Juan weather for Thursday 5th February 2026

Expect isolated thunderstorms in San Juan, Puerto Rico with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a gentle breeze of 9 mph from the south-east.

82
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
35
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
9
mph wind from SE

San Juan weather for Friday 6th February 2026

Expect sunshine and showers in San Juan, Puerto Rico with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 69% chance of some rain and a light breeze of 7 mph from the south.

82
°F maximum temperature
75
°F minimum temperature
sunshine and showers
7
hours of sunshine
8
UV index (Very High)
69
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
7
mph wind from S

San Juan weather for Saturday 7th February 2026

Expect mostly cloudy with rain in San Juan, Puerto Rico with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 97% chance of some rain and a gentle breeze of 9 mph from the north-west.

79
°F maximum temperature
75
°F minimum temperature
mostly cloudy with rain
4
hours of sunshine
8
UV index (Very High)
97
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
9
mph wind from NW

Metric (°C) | Imperial (°F)

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Puerto Rico - quick facts
Flight time^✝	12 to 13 hours
Time difference	UK -4 hours
Language(s)	Spanish, English
Currency	United States Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes