Weather forecast for todaySan Marcos, Costa Rica

Weather forecast for today

Current condition 03:09 CST

  • 19°C
  • Feels like:
    19°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 10km/hENE 70°
  • Humidity: 68%
  • Dewpoint: 13°C
  • Pressure: 1014.22mbar
  • Visibility: 16.09km
  • UV index: 0
  • ▼
In San Marcos, currently, the sky features a blend of clouds and blue patches.
The temperature is an enjoyable 19°C. The current temperature is near the lowest predicted 17°C for today.

Sunday 15. Nov 2026

  • 25°C
  • 17°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 0mm
  • Wind: 16km/hESE 110°
  • Humidity: 71%
  • UV index: 11
  • Sunrise: 05:30 CST
  • Sunset: 17:11 CST
  • ▼
Today, in San Marcos, expect thunderstorms and downpours in the afternoon.
Minimal precipitation is forecasted. Expected temperature values will span from a temperate 25°C down to a comfortable 17°C.
Sunrise will be at 05:30 and sunset at 17:11; the daylight will last for 11h and 41min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 25°C.
Coldest hour: 6h 18°C.

Chance of precipitation

Highest chance: 14h 56%.

Hourly weather forecast

  • 4h
  • 19°C
  • Feels like:
    19°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 11km/hENE 74°
  • Humidity: 70%
  • Pressure: 1014mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 05:30
  • 6h
  • 18°C
  • Feels like:
    18°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 13km/hENE 75°
  • Humidity: 70%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 8h
  • 20°C
  • Feels like:
    20°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 12km/hE 91°
  • Humidity: 71%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 4
  • ▼
  • 10h
  • 23°C
  • Feels like:
    23°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 15km/hE 96°
  • Humidity: 60%
  • Pressure: 1015mbar
  • Visibility: 16km
  • UV index: 10
  • ▼
  • 12h
  • 24°C
  • Feels like:
    25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 41%
  • Precipitation: 1mm
  • Wind: 16km/hESE 102°
  • Humidity: 62%
  • Pressure: 1014mbar
  • Visibility: 11km
  • UV index: 11
  • ▼
  • 14h
  • 24°C
  • Feels like:
    24°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 1mm
  • Wind: 15km/hS 175°
  • Humidity: 69%
  • Pressure: 1013mbar
  • Visibility: 11km
  • UV index: 4
  • ▼
  • 16h
  • 22°C
  • Feels like:
    22°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 38%
  • Precipitation: 1mm
  • Wind: 11km/hE 79°
  • Humidity: 79%
  • Pressure: 1013mbar
  • Visibility: 9km
  • UV index: 1
  • ▼
Sunset: 17:11
  • 18h
  • 20°C
  • Feels like:
    20°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 10km/hE 88°
  • Humidity: 87%
  • Pressure: 1014mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 20h
  • 19°C
  • Feels like:
    20°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 10km/hE 81°
  • Humidity: 89%
  • Pressure: 1016mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 22h
  • 19°C
  • Feels like:
    19°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 11km/hENE 75°
  • Humidity: 85%
  • Pressure: 1016mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
Today, a combination of overcast, turbulent and mostly clear weather is anticipated.
With minimal precipitation of 1mm, rain is anticipated from 12h to 16h.
The temperature will vary between a minimum of 18°C and a maximum of 24°C. The warmest part of the day will be from 11h to 14h.
Updated: Nov 15, 2026 @ 09:09:34 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 03:09 CST is 19°C.

Today, in San Marcos, brief but strong thunderstorms are expected during the afternoon hours.

There is a high probability of rainfall. Precipitation will be minimal.

Today, the maximum temperature will be 25°C, while the minimum temperature will be 17°C.

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

In San Marcos, today, there will be 11h and 41min of daylight.