Weather forecast for 10 days
San Marcos, Costa Rica

Weather forecast for the weekend

Sunday, 15. Jun

Scattered Thunderstorms
05:14

17:58
CST
Scattered Thunderstorms
22°C / 17°C
  • Wind: 15km/h SW
  • Humidity: 88%
  • Precip. probability: 59%
  • Precipitation: 1mm
  • UV index: 6
Today, in San Marcos, expect scattered thunderstorms with occasional breaks in the rain.
Minimal precipitation is anticipated. Temperature shifts will be minor, from a high of an agreeable 22°C to a low of a breezy 17°C.
Sunrise was at 05:14 and sunset will be at 17:58; the daylight will last for 12h and 43min.

Frequently asked questions

What is the weather forecast for San Marcos for the next ten days?
In San Marcos, rainy weather and thunderstorms are expected daily for the next ten days.
Will it rain in the next ten days?
With daily precipitation varying from a maximum of 35mm to a minimum of 1mm, rainfall is predicted every day in San Marcos. Tuesday, with heavy precipitation of 35mm, will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 22°C and 24°C, while the minimum temperature will be between 17°C and 18°C.
What will be the warmest and the coldest days?
The warmest days will be Wednesday through Friday, with a maximum of 24°C. All other days, the maximum temperature will be the same 22°C.

Long-term weather forecast

Sun15.Jun
  • 22°C
  • 17°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 15km/h SW
  • Humidity: 88%
  • UV index: 6
  • Precip. probability: 59%
  • Precipitation: 1mm
  • 05:14 17:58 CST
Mon16.Jun
  • 22°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h SSW
  • Humidity: 86%
  • UV index: 5
  • Precip. probability: 94%
  • Precipitation: 20mm
  • 05:15 17:58 CST
Tue17.Jun
  • 22°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 13km/h SW
  • Humidity: 84%
  • UV index: 6
  • Precip. probability: 97%
  • Precipitation: 35mm
  • 05:15 17:58 CST
Wed18.Jun
  • 24°C
  • 18°C
Thunderstorms
Thunderstorms
  • Wind: 13km/h S
  • Humidity: 78%
  • UV index: 7
  • Precip. probability: 97%
  • Precipitation: 12mm
  • 05:15 17:59 CST
Thu19.Jun
  • 24°C
  • 18°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h ESE
  • Humidity: 77%
  • UV index: 9
  • Precip. probability: 93%
  • Precipitation: 8mm
  • 05:15 17:59 CST
Fri20.Jun
  • 24°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h ESE
  • Humidity: 75%
  • UV index: 9
  • Precip. probability: 83%
  • Precipitation: 11mm
  • 05:16 17:59 CST
Sat21.Jun
  • 22°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 13km/h S
  • Humidity: 80%
  • UV index: 8
  • Precip. probability: 74%
  • Precipitation: 18mm
  • 05:16 17:59 CST
Sun22.Jun
  • 22°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h S
  • Humidity: 81%
  • UV index: 7
  • Precip. probability: 66%
  • Precipitation: 32mm
  • 05:16 18:00 CST
Mon23.Jun
  • 22°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 13km/h S
  • Humidity: 81%
  • UV index: 6
  • Precip. probability: 60%
  • Precipitation: 29mm
  • 05:16 18:00 CST
Tue24.Jun
  • 22°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h S
  • Humidity: 81%
  • UV index: 5
  • Precip. probability: 60%
  • Precipitation: 27mm
  • 05:16 18:00 CST
The extended forecast points to a period where frequent thunderstorms are expected across all days.
Rainfall is anticipated day-to-day, with daily precipitation varying from a minimal 1mm to a maximum of 35mm.
The variation in maximum temperature will be negligible in the coming days. Highs will range from 22°C to 24°C, while the lowest nightly temperature differences will be also negligible, as night temperatures will lie between 17°C and 18°C.
With a maximum temperature of 24°C, Wednesday through Friday will be the warmest days; on all other days, the maximum temperature remains steady at 22°C.
Updated: Jun 15, 2025 @ 17:45:41 UTC
Published by: Weather Atlas | About Us
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