Weather today - San Marcos, Costa Rica

Weather forecast for today

Current condition 13:03 CST

24°C
Feels like:
24°C

Partly Cloudy

Precipitation: 0mm
Wind: 16km/hESE 110°
Humidity: 61%
Dewpoint: 16°C
Pressure: 1013.88mbar
Visibility: 12.87km
UV index: 9
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Currently, the sky is covered by scattered clouds with bright spots in between.
The temperature is a warm 24°C. The current temperature is only a few degrees off the maximum of 27°C for the day.

Sunday 15. Nov 2026

27°C
17°C

Thunderstorms

Precip. probability: 88%
Precipitation: 8mm
Wind: 15km/hSE 130°
Humidity: 71%
UV index: 7
Sunrise: 05:30 CST
Sunset: 17:11 CST
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On Sunday, 15th of November, scattered thunderstorms are expected to form.
The likelihood of rainfall for today is high. However, precipitation will be light. The temperature scale will run from a maximum of a temperate 27°C to a minimum of a breezy 17°C.
The maximum heat index, which combines air temperature and relative humidity, is appraised at 29°C.
Sunrise was at 05:30 and sunset will be at 17:11; the daylight will last for 11h and 41min.

Hourly overview

Hourly temperatures

Warmest hour: 14h 24°C.
Coldest period: 19h - 20h 18°C.

Chance of precipitation

Highest chance: 15h 88%.

Hourly weather forecast

14h

24°C
Feels like:
24°C

Thunderstorms

Precip. probability: 77%
Precipitation: 3mm
Wind: 15km/hS 169°
Humidity: 65%
Pressure: 1013mbar
Visibility: 6km
UV index: 4
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15h

22°C
Feels like:
22°C

Thunderstorms

Precip. probability: 88%
Precipitation: 3mm
Wind: 14km/hSSE 151°
Humidity: 68%
Pressure: 1013mbar
Visibility: 4km
UV index: 2
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16h

21°C
Feels like:
21°C

Rain

Precip. probability: 69%
Precipitation: 1mm
Wind: 12km/hE 90°
Humidity: 76%
Pressure: 1013mbar
Visibility: 8km
UV index: 0
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17h

19°C
Feels like:
19°C

Few Showers

Precip. probability: 34%
Precipitation: 1mm
Wind: 11km/hENE 76°
Humidity: 82%
Pressure: 1014mbar
Visibility: 9km
UV index: 0
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Sunset: 17:11

18h

19°C
Feels like:
19°C

Mostly Cloudy

Precip. probability: 8%
Precipitation: 0mm
Wind: 11km/hE 92°
Humidity: 84%
Pressure: 1014mbar
Visibility: 10km
UV index: 0
details ▼

19h

18°C
Feels like:
18°C

Mostly Cloudy

Precip. probability: 4%
Precipitation: 0mm
Wind: 11km/hENE 74°
Humidity: 84%
Pressure: 1015mbar
Visibility: 12km
UV index: 0
details ▼

20h

18°C
Feels like:
18°C

Mostly Cloudy

Precip. probability: 5%
Precipitation: 0mm
Wind: 11km/hE 81°
Humidity: 86%
Pressure: 1016mbar
Visibility: 11km
UV index: 0
details ▼

21h

19°C
Feels like:
19°C

Mostly Cloudy

Precip. probability: 9%
Precipitation: 0mm
Wind: 10km/hE 81°
Humidity: 86%
Pressure: 1016mbar
Visibility: 11km
UV index: 0
details ▼

22h

19°C
Feels like:
19°C

Partly Cloudy

Precip. probability: 7%
Precipitation: 0mm
Wind: 10km/hENE 75°
Humidity: 85%
Pressure: 1016mbar
Visibility: 10km
UV index: 0
details ▼

23h

18°C
Feels like:
19°C

Mostly Cloudy

Precip. probability: 7%
Precipitation: 0mm
Wind: 10km/hENE 75°
Humidity: 86%
Pressure: 1016mbar
Visibility: 10km
UV index: 0
details ▼

For the rest of Sunday, a combination of dull, lightning-active and rainy weather is expected.
Rainfall is predicted from 14h to 17h. The most intense rain will be falling at 14h and 15h.
The temperature will be between the lowest temperature of 18°C and the highest temperature of 24°C. The warmest part of the day is anticipated around 14h.

Updated: Nov 15, 2026 @ 19:03:15 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 13:03 CST is 24°C.

Today, storm systems may continue to produce thunderstorms.

Light precipitation of 8mm is anticipated. The chance of rainfall is high at 88%.

Today, the maximum temperature will be 27°C, while the minimum temperature will be 17°C. The maximum heat index, which indicates how humid air affects the felt temperature, is computed to be 29°C.

On Sunday, in San Marcos, sunrise was at 05:30 and sunset will be at 17:11 (CST).

In San Marcos, the length of the day today will be 11h and 41min.

Today

Tomorrow

Long-term