Live Weather & Forecast
Weather in San Francisco
Heredia, Costa Rica · Real-time conditions & 3-day outlook
15°C
Feels like 15°C
59°F / Feels 59°F
Partly cloudy
San Francisco, Heredia
🌞 Daytime
Updated: 2026-05-12 13:15
Humidity
75%
Wind
15.8 km/h WSW
Wind Gust
18.9 km/h
Pressure
1016 mb
Visibility
16 km
UV Index
8.1
(Very High)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
13.4°C
Wind Degree
247°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
184.9 μg/m³
NO₂
8.1 μg/m³
O₃
81 μg/m³
SO₂
2.2 μg/m³
PM 2.5
10.7 μg/m³
PM 10
15.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for San Francisco, Heredia
12 AM
11°
Overcast
1 AM
11°
Overcast
2 AM
11°
Fog
3 AM
10°
Overcast
4 AM
10°
Fog
5 AM
10°
Fog
6 AM
10°
Fog
7 AM
11°
Fog
8 AM
11°
Overcast
9 AM
11°
Overcast
10 AM
12°
Overcast
11 AM
13°
Overcast
12 PM
14°
Overcast
1 PM
15°
Partly cloudy
2 PM
15°
Cloudy
3 PM
14°
Cloudy
4 PM
14°
Cloudy
5 PM
15°
Partly Cloudy
6 PM
15°
Sunny
7 PM
14°
Sunny
8 PM
13°
Sunny
9 PM
13°
Clear
10 PM
13°
Clear
11 PM
13°
Clear
3-Day Forecast
Daily overview for San Francisco, Heredia
Today
Overcast
16°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 23.4 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 8.1
🌅 Sunrise: 06:02 AM
🌇 Sunset: 08:10 PM
🌙 Waning Crescent
🌑 Moon: 29% lit
Wed, May 13
Sunny
17°
/
12°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 30.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 7.6
🌅 Sunrise: 06:01 AM
🌇 Sunset: 08:11 PM
🌙 Waning Crescent
🌑 Moon: 19% lit
Thu, May 14
Sunny
17°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 20.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 9.3
🌅 Sunrise: 06:01 AM
🌇 Sunset: 08:12 PM
🌙 Waning Crescent
🌑 Moon: 11% lit
Best Time to Visit San Francisco
Plan your trip to San Francisco, 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 San Francisco?
Current conditions in San Francisco: Partly cloudy, temperature 15°C, humidity 75%.
What is the best time to visit San Francisco?
The best time to visit San Francisco is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in San Francisco?
San Francisco is located at approximately 37.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in San Francisco?
The wettest period in San Francisco is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to San Francisco?
For visits to San Francisco during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is San Francisco in?
San Francisco is located in Costa Rica, in the state of Heredia.
What are the public holidays in San Francisco in 2026?
View the 2026 public holidays for San Francisco on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Francisco?
The weather forecast for San Francisco uses coordinates 37.779, -122.4199.
What is the current temperature outside in San Francisco?
The current outdoor temperature in San Francisco is 15°C (59°F) with partly cloudy.
What is the hourly weather forecast for San Francisco today?
Today's hour-by-hour weather breakdown for San Francisco 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 San Francisco tomorrow hour by hour?
Tomorrow's forecast for San Francisco shows a high of 17°C and a low of 12°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in San Francisco?
Rain is not expected in San Francisco today. Current forecast shows no significant rain probability.
Is it going to rain today in San Francisco?
No, rain is not forecast for San Francisco today. Current conditions show clear to partly cloudy skies.