Support Time.now: Join our Premium Plan for an ad-free experience! Support Us: Go Premium Ad-Free!

Weather in San Jose, Costa Rica 🇨🇷

Current Weather in San Jose

Overcast
21°C
Feels like 22°C. Overcast.
🌬️ 6 km/h NE
💧 78% Humidity
🧭 1015 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 8.5
🌡️ Dew Point: 17°C
🌅 Sunrise: 05:26 AM
🌇 Sunset: 05:41 PM
Map Overlays:

In San Jose right now it is 21°C and overcast, feeling like 22°C. Expect 78% humidity and winds of about 6 km/h, and the UV index is 8 (very high). The next few days in San Jose look set for about 14°C up to 24°C.

Hourly Forecast for San Jose

11:00
Light rain shower
23°
30%
12:00
Light rain shower
24°
57%
13:00
Light rain shower
22°
71%
14:00
Light rain shower
21°
76%
15:00
Light rain shower
20°
76%
16:00
Light rain shower
19°
61%
17:00
Light rain shower
18°
67%
18:00
Light rain shower
17°
77%
19:00
Fog
17°
43%
20:00
Fog
17°
44%
21:00
Fog
17°
44%
22:00
Fog
17°
43%
23:00
Fog
16°
43%
00:00
Fog
16°
43%
01:00
Fog
16°
43%
02:00
Fog
16°
43%
03:00
Fog
16°
43%
04:00
Fog
16°
43%
05:00
Fog
16°
43%
06:00
Fog
16°
42%
07:00
Mist
17°
40%
08:00
Patchy rain nearby
18°
35%
09:00
Patchy rain nearby
19°
34%
10:00
Light rain shower
21°
42%

14-Day Forecast for San Jose

Mon, Sep 07
Light rain shower Light rain shower
24° / 15°
Tue, Sep 08
Fog Fog
22° / 16°
Wed, Sep 09
Light rain shower Light rain shower
22° / 14°
Thu, Sep 10
Patchy rain nearby Patchy rain nearby
22° / 15°
Fri, Sep 11
Mist Mist
21° / 14°
Sat, Sep 12
Light rain shower Light rain shower
22° / 14°
Sun, Sep 13
Light rain shower Light rain shower
22° / 15°
Mon, Sep 14
Light rain shower Light rain shower
22° / 15°
Tue, Sep 15
Light rain shower Light rain shower
22° / 15°
Wed, Sep 16
Light rain shower Light rain shower
20° / 16°
Thu, Sep 17
Moderate or heavy rain shower Moderate or heavy rain shower
22° / 16°
Fri, Sep 18
Light rain shower Light rain shower
23° / 16°
Sat, Sep 19
Light rain shower Light rain shower
23° / 17°
Sun, Sep 20
Light rain shower Light rain shower
20° / 16°

Additional Forecasts for San Jose

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 244.0 μg/m³
O₃ (Ozone) 74.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.9 μg/m³
SO₂ (Sulphur Dioxide) 3.6 μg/m³
PM2.5 (Fine particles) 6.1 μg/m³
PM10 (Coarse particles) 7.4 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Costa Rica

Browse Weather in Costa Rica by cities in alphabetical order:

A C D E G H I L M N P Q S T

Weather in Costa Rica ›

Best Time to Be Outside in San Jose Today

The most comfortable window in San Jose today looks like 15:00 to 18:00, when it is around 19°C. The next likely rain is around 12:00.

Frequently Asked Questions about Weather in San Jose

What is the temperature in San Jose right now?

San Jose is sitting at 21°C (69°F) right now, overcast (feels like 22°C).

What's the weather like in San Jose right now?

Current weather in San Jose: Overcast, humidity 78%, wind 6 km/h NE.

What is today's forecast for San Jose?

Today in San Jose: high 24°C, low 15°C, light rain shower. Chance of rain: 92%.

What is the 7-day weather forecast for San Jose?

Daily highs and lows for San Jose:

  • 2026-09-07: 24°C / 15°C
  • 2026-09-08: 22°C / 16°C
  • 2026-09-09: 22°C / 14°C
  • 2026-09-10: 22°C / 15°C
  • 2026-09-11: 21°C / 14°C
  • 2026-09-12: 22°C / 14°C
  • 2026-09-13: 22°C / 15°C
Is it going to rain in San Jose today?

There is a 92% chance of rain in San Jose today. Total expected precipitation: 10.03 mm.

What is the wind speed in San Jose right now?

Wind in San Jose is currently 6 km/h (4 mph) from the NE.

What is the UV index in San Jose right now?

The UV index in San Jose is currently 8.5 (very high). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇨🇷 Costa Rica: San Jose · Limón · Alajuela · Liberia · Paraíso · Puntarenas · Curridabat · San Vicente de Moravia · Purral · Turrialba · San Rafael Abajo · Quesada · Ipís · Chacarita · Mercedes Norte · Aserrí · Patarrá · Tejar · Heredia · Calle Blancos · Cañas · Guápiles · Siquirres · Esparza · San Juan de Dios · Nicoya · San Rafael Arriba · Desamparados · Alajuelita
Weather forecasts for cities in neighbouring countries: 🇵🇦 Panama: Panama City · Panamá · San Miguelito · Juan Díaz · David · Arraiján · Colón · Las Cumbres · La Chorrera · Pedregal · Tocumen · 🇳🇮 Nicaragua: Managua · León · Masaya · Chinandega · Matagalpa · Estelí · Mateare · Jinotega · El Viejo · Nueva Guinea