Live Weather & Forecast
Weather in Santiago
Alajuela, Costa Rica · Real-time conditions & 3-day outlook
28°C
Feels like 29°C
82°F / Feels 84°F
Partly cloudy
Santiago, Alajuela
🌞 Daytime
Updated: 2026-05-12 12:30
Humidity
58%
Wind
3.6 km/h NNW
Wind Gust
10.8 km/h
Pressure
1017 mb
Visibility
10 km
UV Index
3.7
(Moderate)
Precipitation
0.09 mm
Cloud Cover
75%
Dew Point
17.1°C
Wind Degree
346°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
414.9 μg/m³
NO₂
10.1 μg/m³
O₃
50 μg/m³
SO₂
3.7 μg/m³
PM 2.5
8.4 μg/m³
PM 10
9.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Santiago, Alajuela
12 AM
19°
Clear
1 AM
19°
Clear
2 AM
19°
Clear
3 AM
19°
Patchy rain nearby
4 AM
19°
Patchy rain nearby
5 AM
18°
Partly Cloudy
6 AM
20°
Sunny
7 AM
22°
Sunny
8 AM
25°
Sunny
9 AM
27°
Sunny
10 AM
29°
Patchy rain nearby
11 AM
31°
Patchy rain nearby
12 PM
28°
Partly cloudy
1 PM
26°
Patchy light drizzle
2 PM
25°
Patchy rain nearby
3 PM
25°
Patchy rain nearby
4 PM
25°
Light rain shower
5 PM
24°
Light rain shower
6 PM
22°
Patchy rain nearby
7 PM
21°
Patchy rain nearby
8 PM
20°
Patchy rain nearby
9 PM
19°
Partly Cloudy
10 PM
19°
Partly Cloudy
11 PM
18°
Partly Cloudy
3-Day Forecast
Daily overview for Santiago, Alajuela
Today
Patchy rain nearby
31°
/
18°
🌧️ 96% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 1.67 mm
☀️ UV Index: 9.9
🌅 Sunrise: 05:17 AM
🌇 Sunset: 05:50 PM
🌙 Waning Crescent
🌑 Moon: 29% lit
Wed, May 13
Patchy rain nearby
29°
/
16°
🌧️ 88% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 7.9 km/h
🌧️ Total precip: 2.93 mm
☀️ UV Index: 13.7
🌅 Sunrise: 05:16 AM
🌇 Sunset: 05:51 PM
🌙 Waning Crescent
🌑 Moon: 19% lit
Thu, May 14
Moderate rain
31°
/
16°
🌧️ 85% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 7.9 km/h
🌧️ Total precip: 5.16 mm
☀️ UV Index: 11.7
🌅 Sunrise: 05:16 AM
🌇 Sunset: 05:51 PM
🌙 Waning Crescent
🌑 Moon: 11% lit
Best Time to Visit Santiago
Plan your trip to Santiago, Costa Rica around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Santiago?
Current conditions in Santiago: Partly cloudy, temperature 28°C, humidity 58%.
What is the best time to visit Santiago?
The best time to visit Santiago is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Santiago?
Santiago is located at approximately 9.8° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Santiago?
The wettest period in Santiago is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Santiago?
For visits to Santiago during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Santiago in?
Santiago is located in Costa Rica, in the state of Alajuela.
What are the public holidays in Santiago in 2026?
View the 2026 public holidays for Santiago on our Holidays page.
What are the GPS coordinates used for the weather forecast in Santiago?
The weather forecast for Santiago uses coordinates 9.8471, -84.3143.
What is the current temperature outside in Santiago?
The current outdoor temperature in Santiago is 28°C (82°F) with partly cloudy.
What is the hourly weather forecast for Santiago today?
Today's hour-by-hour weather breakdown for Santiago is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Santiago tomorrow hour by hour?
Tomorrow's forecast for Santiago shows a high of 29°C and a low of 16°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Santiago?
There is a 96% chance of rain in Santiago today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Santiago?
Yes, there is a 96% chance of rain in Santiago today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.