Live Weather & Forecast
Weather in Fortuna
Guanacaste, Costa Rica · Real-time conditions & 3-day outlook
13°C
Feels like 12°C
55°F / Feels 54°F
Overcast
Fortuna, Guanacaste
🌞 Daytime
Updated: 2026-05-12 11:30
Humidity
86%
Wind
9.7 km/h NNW
Wind Gust
11.2 km/h
Pressure
1016 mb
Visibility
16 km
UV Index
5.2
(Moderate)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
12.9°C
Wind Degree
329°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
149.9 μg/m³
NO₂
1.9 μg/m³
O₃
88 μg/m³
SO₂
1.2 μg/m³
PM 2.5
5.8 μg/m³
PM 10
8.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Fortuna, Guanacaste
12 AM
11°
Fog
1 AM
11°
Fog
2 AM
11°
Fog
3 AM
11°
Fog
4 AM
11°
Fog
5 AM
11°
Fog
6 AM
11°
Fog
7 AM
11°
Fog
8 AM
11°
Fog
9 AM
12°
Fog
10 AM
13°
Mist
11 AM
13°
Overcast
12 PM
15°
Overcast
1 PM
15°
Cloudy
2 PM
16°
Partly Cloudy
3 PM
16°
Sunny
4 PM
16°
Partly Cloudy
5 PM
16°
Sunny
6 PM
15°
Sunny
7 PM
14°
Sunny
8 PM
14°
Sunny
9 PM
11°
Overcast
10 PM
10°
Clear
11 PM
9°
Partly Cloudy
3-Day Forecast
Daily overview for Fortuna, Guanacaste
Today
Fog
16°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 0.03 mm
☀️ UV Index: 7.7
🌅 Sunrise: 06:03 AM
🌇 Sunset: 08:24 PM
🌙 Waning Crescent
🌑 Moon: 29% lit
Wed, May 13
Patchy rain nearby
17°
/
6°
🌧️ 88% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0.59 mm
☀️ UV Index: 3.3
🌅 Sunrise: 06:02 AM
🌇 Sunset: 08:25 PM
🌙 Waning Crescent
🌑 Moon: 19% lit
Thu, May 14
Sunny
17°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.8
🌅 Sunrise: 06:01 AM
🌇 Sunset: 08:26 PM
🌙 Waning Crescent
🌑 Moon: 11% lit
Best Time to Visit Fortuna
Plan your trip to Fortuna, Costa Rica around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Fortuna?
Current conditions in Fortuna: Overcast, temperature 13°C, humidity 86%.
What is the best time to visit Fortuna?
The best time to visit Fortuna is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Fortuna?
Fortuna is located at approximately 40.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Fortuna?
The wettest period in Fortuna is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Fortuna?
For visits to Fortuna during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Fortuna in?
Fortuna is located in Costa Rica, in the state of Guanacaste.
What are the public holidays in Fortuna in 2026?
View the 2026 public holidays for Fortuna on our Holidays page.
What are the GPS coordinates used for the weather forecast in Fortuna?
The weather forecast for Fortuna uses coordinates 40.5974, -124.156.
What is the current temperature outside in Fortuna?
The current outdoor temperature in Fortuna is 13°C (55°F) with overcast.
What is the hourly weather forecast for Fortuna today?
Today's hour-by-hour weather breakdown for Fortuna 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 Fortuna tomorrow hour by hour?
Tomorrow's forecast for Fortuna shows a high of 17°C and a low of 6°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Fortuna?
Rain is not expected in Fortuna today. Current forecast shows no significant rain probability.
Is it going to rain today in Fortuna?
No, rain is not forecast for Fortuna today. Current conditions show clear to partly cloudy skies.