Weather forecast for 10 days
San Juan, Costa Rica

Weather forecast for the weekend

Saturday, 07. Jun

Thunderstorms
05:13

17:57
CST
Thunderstorms
26°C / 20°C
  • Wind: 16km/h ESE
  • Humidity: 75%
  • Precip. probability: 92%
  • Precipitation: 12mm
  • UV index: 9
On Saturday, 7th of June, expect thunderstorm activity to continue.
The chance of rain is high, and precipitation will be moderate. The maximum temperature will be a moderately hot 26°C, while the minimum predicted temperature is an agreeable 20°C.
The top temperature on Saturday will be relatively higher than the average high in June of 23.3°C.
Sunrise will be at 05:13 and sunset at 17:57; the daylight will last for 12h and 44min.

Sunday, 08. Jun

Thunderstorms
05:13

17:57
CST
Thunderstorms
25°C / 19°C
  • Wind: 16km/h SSE
  • Humidity: 78%
  • Precip. probability: 83%
  • Precipitation: 21mm
  • UV index: 7
On Sunday, in San Juan, electrical storms are a possibility.
Substantial precipitation is predicted. The highest expected temperature is a moderately hot 25°C, while the lowest temperature will be a comfortable 19°C.
The high temperature is anticipated to match June's standard maximum of 23.3°C.
Sunrise will be at 05:13 and sunset at 17:57; the daylight will last for 12h and 44min.

Frequently asked questions

What is the weather forecast for San Juan for Saturday?
On Saturday, rumbles of thunder are likely.
Will it rain on Saturday?
Moderate precipitation of 12mm is forecasted on Saturday. The chance of rainfall is high at 92%.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature will be 26°C, while the lowest temperature will be 20°C.
What is the weather forecast for San Juan for Sunday?
On Sunday, in San Juan, storm systems may continue to produce thunderstorms.
Will it rain on Sunday?
Increased precipitation of 21mm is anticipated with a high probability on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 25°C, while the minimum temperature will be 19°C.
What is the weather forecast for San Juan for the next ten days?
In San Juan, rainy weather and thunderstorms are anticipated daily for the next ten days.
Will it rain in the next ten days?
With daily precipitation varying from a minimum of 10mm to a maximum of 33mm, rain is expected every day in San Juan. With heavy precipitation of 33mm, Wednesday will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 25°C and 28°C, while the minimum temperature will vary between 18°C and 20°C.
What will be the warmest and the coldest days in San Juan?
Today is the warmest day, with a maximum temperature of 28°C. The coldest days will be Thursday, Sunday through next Thursday, with a maximum of 25°C.

Long-term weather forecast

Tue03.Jun
  • 28°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 17km/h WSW
  • Humidity: 72%
  • UV index: 11
  • Precip. probability: 99%
  • Precipitation: 21mm
  • 05:13 17:56 CST
Wed04.Jun
  • 26°C
  • 18°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h SW
  • Humidity: 80%
  • UV index: 7
  • Precip. probability: 100%
  • Precipitation: 33mm
  • 05:13 17:56 CST
Thu05.Jun
  • 25°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h SW
  • Humidity: 81%
  • UV index: 5
  • Precip. probability: 100%
  • Precipitation: 29mm
  • 05:13 17:56 CST
Fri06.Jun
  • 26°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h SSE
  • Humidity: 77%
  • UV index: 8
  • Precip. probability: 95%
  • Precipitation: 10mm
  • 05:13 17:56 CST
Sat07.Jun
  • 26°C
  • 20°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h ESE
  • Humidity: 75%
  • UV index: 9
  • Precip. probability: 92%
  • Precipitation: 12mm
  • 05:13 17:57 CST
Sun08.Jun
  • 25°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h SSE
  • Humidity: 78%
  • UV index: 7
  • Precip. probability: 83%
  • Precipitation: 21mm
  • 05:13 17:57 CST
Mon09.Jun
  • 25°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h SSE
  • Humidity: 80%
  • UV index: 7
  • Precip. probability: 74%
  • Precipitation: 32mm
  • 05:13 17:57 CST
Tue10.Jun
  • 25°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h SSE
  • Humidity: 78%
  • UV index: 6
  • Precip. probability: 64%
  • Precipitation: 20mm
  • 05:13 17:57 CST
Wed11.Jun
  • 25°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h SSE
  • Humidity: 77%
  • UV index: 6
  • Precip. probability: 60%
  • Precipitation: 19mm
  • 05:14 17:58 CST
Thu12.Jun
  • 25°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h SSE
  • Humidity: 78%
  • UV index: 6
  • Precip. probability: 60%
  • Precipitation: 28mm
  • 05:14 17:58 CST
Weather patterns suggest that daily storms with intermittent rain are expected.
Rain is predicted day-to-day, with daily precipitation varying from a minimal 10mm to a maximum of 33mm.
Highs will stay within a very narrow margin over the next several days. Expected highs will hover between 25°C and 28°C, while changes in the overnight low will be also barely noticeable, as night temperatures will lie between 18°C and 20°C.
The warmest day is today, with a maximum temperature of 28°C; with a maximum temperature of 25°C, Thursday, Sunday through next Thursday will be the coldest days in San Juan.
Updated: Jun 3, 2025 @ 14:45:11 UTC
Published by: Weather Atlas | About Us
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