San Marcos Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in San Marcos

San Marcos temperature today is 18°, feels like 18°, with a humidity level of 94% and wind at 4.57 km/h. Rain chance today is 63%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in San Marcos: expect a high of 26° and a low of 15°, with light rain. Rain chance tomorrow is 93%.

overcast clouds
18°
overcast clouds
H: 18° L: 18°
Feels like 18°
AQI: Good (1/5)
Humidity
94%
Dew 17°
Wind speed
4.57 km/h
NE · G16.99
Pressure
1016 hPa
Visibility
2.6 km
High Humidity
Humidity is 94%. May feel uncomfortable.
Weather Summary
Currently in San Marcos, expect varied conditions with mild temperatures around 18°. Winds are calm winds. High humidity may make it feel uncomfortable.
Precipitation Probability
63%
00
20%
03
18%
06
46%
09
89%
12
94%
15
88%
18
20%
21
0%
00
0%
03
0%
06
9%
09
83%
12
93%
15
25%
18
4%
21
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
18°
Wed
00:00
17°
 
17°
 
23°
 
24°
Wed
12:00
19°
 
18°
 
17°
 
17°
Thu
00:00
15°
 
16°
 
23°
 
26°
Thu
12:00
18°
 
17°
 
17°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
05:24
Sunset
Sunset
17:16
Moon Phase
First Quarter (85%)
Timezone: GMT+05:30
Last updated: Oct 21, 2026 10:43 AM · Data refreshes every 5 min
Location Info
Latitude
Latitude
9.660100
Longitude
Longitude
-84.020264
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More about San Marcos
Content curated by the NearWeather editorial team · Updated periodically

San Marcos, Costa Rica: A Guide to its Climate and Weather Year Round

Situated in the Alajuela province of Costa Rica, the picturesque town of San Marcos boasts a tropical climate that attracts visitors from around the world. Its position in the central valley of Costa Rica results in a unique weather pattern that offers pleasant temperatures throughout the year. Let's delve into the details of San Marcos' climate and weather year-round.

Climate Overview

San Marcos has a tropical climate with distinct wet and dry seasons. The weather is influenced by its elevation, which ranges from 800 to 1200 meters above sea level. The town experiences a rainy season from May to November and a dry season from December to April. The annual average temperature in San Marcos is around 22°C (72°F).

Weather by Season

Here is a detailed breakdown of the weather in San Marcos throughout the year:

Dry Season (December to April)

During the dry season, San Marcos experiences clear skies and minimal rainfall. The average temperatures range from 22°C to 28°C (72°F to 82°F), providing pleasant weather for outdoor activities. This period is popular among tourists seeking warm and sunny days to explore the natural beauty of the region.

Rainy Season (May to November)

The rainy season in San Marcos typically brings heavy but short-lived afternoon showers, followed by clear skies. The average temperatures during this period range from 20°C to 26°C (68°F to 79°F). Despite the rainfall, many travelers still visit San Marcos during the rainy season to witness the lush green landscapes and take advantage of lower accommodation rates.

Annual Precipitation

The annual precipitation in San Marcos averages around 2000 to 3000 millimeters, with the majority of the rainfall occurring during the rainy season. The lush vegetation and diverse flora in the region are a testament to the ample rainfall that sustains the ecosystem and agricultural activities.

Microclimates in San Marcos

San Marcos is known for its diverse microclimates, with variations in temperature and rainfall across different areas of the town. The northern part of San Marcos tends to be slightly cooler than the southern areas, providing a range of experiences for visitors to explore within the same vicinity.

Best Time to Visit

The best time to visit San Marcos ultimately depends on the traveler's preferences. Those seeking sunny days and outdoor adventures may prefer the dry season, while eco-tourists and nature enthusiasts might appreciate the lush greenery and vibrant landscapes during the rainy season.

Conclusion

San Marcos, Costa Rica, offers a delightful tropical climate year-round, with distinct dry and rainy seasons. Whether visitors embrace the sun-drenched days of the dry season or revel in the verdant beauty of the rainy season, San Marcos provides a captivating experience for travelers seeking to immerse themselves in the natural splendor of Costa Rica.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about San Marcos
What is the temperature in San Marcos right now?

The current temperature in San Marcos is 18°, and it feels like 18°. Today's high is 18° and the low is 18°.

Will it rain in San Marcos today?

The chance of rain in San Marcos today is 63%. Check the hourly forecast above for exact timing.

What is the weather in San Marcos today?

San Marcos is experiencing overcast clouds with a temperature of 18°. Humidity is at 94% and wind speed is 4.57 km/h from the NE.

What is the humidity in San Marcos today?

Humidity in San Marcos is 94% right now, with a dew point of 17°. Conditions may feel muggy or uncomfortable.

What is the wind speed in San Marcos today?

Wind speed in San Marcos is 4.57 km/h, flowing at 54° NE wind direction. Gusts up to 16.99 km/h.

What is the 5-day forecast for San Marcos?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for San Marcos. Today's high is 18° and low is 18°, with a 63% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in San Marcos today?

It feels like 18° in San Marcos today, with 100% cloud cover and 2.6 km visibility.

Weather in San Marcos