Weather forecast for 10 days
San Marcos, Costa Rica

Weather forecast for the weekend

Saturday, 14. Jun

Thunderstorms
05:14

17:58
CST
Thunderstorms
21°C / 16°C
  • Wind: 14km/h SW
  • Humidity: 80%
  • Precip. probability: 84%
  • Precipitation: 11mm
  • UV index: 8
On Saturday, in San Marcos, scattered thunderstorms are expected to form.
With a high probability, moderate precipitation is predicted. Temperatures will exhibit minor fluctuations, extending from a high of a pleasant 21°C to a low of a breezy 16°C.
Sunrise will be at 05:14 and sunset at 17:58; the daylight will last for 12h and 43min.

Sunday, 15. Jun

Thunderstorms
05:14

17:58
CST
Thunderstorms
21°C / 15°C
  • Wind: 14km/h S
  • Humidity: 79%
  • Precip. probability: 77%
  • Precipitation: 14mm
  • UV index: 9
On Sunday, in San Marcos, expect isolated thunderstorms in the area.
With a high probability, moderate precipitation is predicted. A modest fluctuation in temperature is forecasted, achieving a maximum of a delightful 21°C and dipping to a minimum of a refreshing 15°C.
Sunrise will be at 05:14 and sunset at 17:58; the daylight will last for 12h and 43min.

Frequently asked questions

What is the weather forecast for San Marcos for Saturday?
On Saturday, rumbles of thunder are likely.
Will it rain on Saturday?
Moderate precipitation of 11mm is anticipated on Saturday. The likelihood of rainfall is high at 84%.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 21°C, while the minimum temperature will be 16°C.
What is the weather forecast for San Marcos for Sunday?
On Sunday, thunderstorms are expected.
Will it rain on Sunday?
Moderate precipitation of 14mm is anticipated on Sunday. The likelihood of rainfall is 77%.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 21°C, while the minimum temperature will be 15°C.
What is the weather forecast for San Marcos for the next ten days?
In San Marcos, predominantly lightning-active and occasionally rain-soaked weather is anticipated for the next ten days.
Will it rain in the next ten days?
With daily precipitation varying from a maximum of 50mm to a minimum of 1mm, rainfall is predicted every day in San Marcos. Thursday, with intense precipitation of 50mm, will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 20°C and 21°C, while the minimum temperature will range between 15°C and 16°C.
What will be the warmest and the coldest days?
With a maximum temperature of 21°C, Tuesday, Wednesday, Saturday through next Wednesday will be the warmest days. The coldest days will be Thursday and Friday, with a maximum of 20°C.

Long-term weather forecast

Mon09.Jun
  • min.
  • 16°C
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 12km/h E
  • Humidity: 87%
  • UV index: 0
  • Precip. probability: 32%
  • Precipitation: 1mm
  • 05:14 17:56 CST
Tue10.Jun
  • 21°C
  • 16°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h ESE
  • Humidity: 79%
  • UV index: 7
  • Precip. probability: 88%
  • Precipitation: 18mm
  • 05:14 17:57 CST
Wed11.Jun
  • 21°C
  • 16°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h S
  • Humidity: 81%
  • UV index: 6
  • Precip. probability: 84%
  • Precipitation: 42mm
  • 05:14 17:57 CST
Thu12.Jun
  • 20°C
  • 16°C
Showers
Showers
  • Wind: 14km/h S
  • Humidity: 84%
  • UV index: 5
  • Precip. probability: 100%
  • Precipitation: 50mm
  • 05:14 17:57 CST
Fri13.Jun
  • 20°C
  • 16°C
Showers
Showers
  • Wind: 15km/h SSW
  • Humidity: 83%
  • UV index: 6
  • Precip. probability: 90%
  • Precipitation: 21mm
  • 05:14 17:57 CST
Sat14.Jun
  • 21°C
  • 16°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h SW
  • Humidity: 80%
  • UV index: 8
  • Precip. probability: 84%
  • Precipitation: 11mm
  • 05:14 17:58 CST
Sun15.Jun
  • 21°C
  • 15°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h S
  • Humidity: 79%
  • UV index: 9
  • Precip. probability: 77%
  • Precipitation: 14mm
  • 05:14 17:58 CST
Mon16.Jun
  • 21°C
  • 16°C
Thunderstorms
Thunderstorms
  • Wind: 13km/h S
  • Humidity: 82%
  • UV index: 6
  • Precip. probability: 68%
  • Precipitation: 23mm
  • 05:15 17:58 CST
Tue17.Jun
  • 21°C
  • 16°C
Thunderstorms
Thunderstorms
  • Wind: 13km/h S
  • Humidity: 82%
  • UV index: 5
  • Precip. probability: 60%
  • Precipitation: 24mm
  • 05:15 17:58 CST
Wed18.Jun
  • 21°C
  • 16°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h SSE
  • Humidity: 80%
  • UV index: 6
  • Precip. probability: 60%
  • Precipitation: 16mm
  • 05:15 17:59 CST
Across the following ten days, primarily unstable and occasionally rainy weather is predicted.
Rainfall is expected day-to-day, with daily precipitation varying from a minimal 1mm to a maximum of 50mm.
Fluctuations in temperature will be barely perceptible across the forecast window. Maximum temperatures will fall between 20°C and 21°C, while the lowest nightly temperature differences will be also negligible, as the lowest temperatures will remain in the range of 15°C to 16°C.
Tuesday, Wednesday, Saturday through next Wednesday, with the highest temperature of 21°C, will be the warmest days in San Marcos; with a maximum temperature of 20°C, Thursday and Friday will be the coldest days in San Marcos.
Updated: Jun 10, 2025 @ 01:10:16 UTC
Published by: Weather Atlas | About Us
Data Sources | |
Weather Forecasting & Climate
englishespañol中文
Share