Weather forecast for 10 days
San Marcos, Costa Rica

Weather forecast for the weekend

Saturday, 14. Jun

Showers
05:14

17:58
CST
Showers
22°C / 17°C
  • Wind: 15km/h S
  • Humidity: 80%
  • Precip. probability: 85%
  • Precipitation: 10mm
  • UV index: 9
On Saturday, 14th of June, expect occasional showers throughout the day, with the rain easing off in the afternoon.
With a high probability, light precipitation is forecasted. A modest temperature shift from a delightful 22°C at its peak to an enjoyable 17°C at its lowest point is anticipated.
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
23°C / 17°C
  • Wind: 16km/h S
  • Humidity: 81%
  • Precip. probability: 97%
  • Precipitation: 17mm
  • UV index: 7
On Sunday, in San Marcos, storm systems may continue to produce thunderstorms.
The likelihood of rain is high, and precipitation will be moderate. Temperature readings will slightly shift from a daytime peak of a moderately hot 23°C to a nighttime low of a comfortable 17°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, showers are expected to spread throughout the day, with the heaviest rain expected in the morning.
Will it rain on Saturday in San Marcos?
Light precipitation of 10mm is anticipated on Saturday. The possibility of rainfall is high at 85%.
What will be the maximum temperature on Saturday?
On Saturday, the maximum temperature will be 22°C, while the minimum temperature will be 17°C.
What is the weather forecast for San Marcos for Sunday?
On Sunday, in San Marcos, storm activity is likely to continue.
Will it rain on Sunday?
With a probability of 97%, moderate precipitation of 17mm is predicted on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 23°C, while the lowest temperature will be 17°C.
What is the weather forecast for San Marcos for the next ten days?
In San Marcos, a combination of predominantly unstable and occasionally damp and cloudy weather is anticipated for the next ten days.
Will it rain in the next ten days?
In San Marcos, rain is forecasted almost every day for the next ten days. Thursday, with heavy precipitation of 43mm, will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 21°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?
With the maximum temperature of 24°C, next Thursday will be the warmest day. Friday will be the coldest day, with a maximum temperature of 21°C.

Long-term weather forecast

Wed11.Jun
  • min.
  • 17°C
Cloudy
Cloudy
  • Wind: 8km/h ENE
  • Humidity: 90%
  • UV index: 0
  • Precip. probability: 21%
  • Precipitation: 0mm
  • 05:14 17:57 CST
Thu12.Jun
  • 22°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h SSW
  • Humidity: 86%
  • UV index: 3
  • Precip. probability: 100%
  • Precipitation: 43mm
  • 05:14 17:57 CST
Fri13.Jun
  • 21°C
  • 17°C
Showers
Showers
  • Wind: 14km/h SSW
  • Humidity: 84%
  • UV index: 3
  • Precip. probability: 96%
  • Precipitation: 29mm
  • 05:14 17:57 CST
Sat14.Jun
  • 22°C
  • 17°C
Showers
Showers
  • Wind: 15km/h S
  • Humidity: 80%
  • UV index: 9
  • Precip. probability: 85%
  • Precipitation: 10mm
  • 05:14 17:58 CST
Sun15.Jun
  • 23°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h S
  • Humidity: 81%
  • UV index: 7
  • Precip. probability: 97%
  • Precipitation: 17mm
  • 05:14 17:58 CST
Mon16.Jun
  • 22°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h S
  • Humidity: 85%
  • UV index: 4
  • Precip. probability: 89%
  • Precipitation: 36mm
  • 05:15 17:58 CST
Tue17.Jun
  • 22°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 13km/h S
  • Humidity: 81%
  • UV index: 8
  • Precip. probability: 78%
  • Precipitation: 30mm
  • 05:15 17:58 CST
Wed18.Jun
  • 23°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h SSE
  • Humidity: 77%
  • UV index: 6
  • Precip. probability: 68%
  • Precipitation: 12mm
  • 05:15 17:59 CST
Thu19.Jun
  • 24°C
  • 18°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h SE
  • Humidity: 76%
  • UV index: 6
  • Precip. probability: 60%
  • Precipitation: 9mm
  • 05:15 17:59 CST
Fri20.Jun
  • 23°C
  • 17°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h SE
  • Humidity: 77%
  • UV index: 6
  • Precip. probability: 60%
  • Precipitation: 12mm
  • 05:16 17:59 CST
Over the next ten days, a mix of primarily thunderstorm-prone and occasionally showery and dull weather is predicted.
Rain is predicted for Thursday through next Friday.
The maximum temperature will be very similar during the next few days. Maximum temperatures will fall between 21°C and 24°C, while fluctuations in the night’s lowest temperature will be also minimal, as the minimum temperature is expected to range between 17°C and 18°C.
With the highest temperature of 24°C, next Thursday will be the warmest day; the coldest day will be Friday, with a maximum of 21°C.
Updated: Jun 12, 2025 @ 03:44:18 UTC
Published by: Weather Atlas | About Us
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