🇨🇷 Weather in San Jose
Map Overlays:
Hourly Forecast for San Jose
01:00
18°
75%
02:00
18°
54%
03:00
17°
34%
04:00
16°
33%
05:00
17°
33%
06:00
17°
32%
07:00
19°
32%
08:00
20°
30%
09:00
21°
25%
10:00
22°
29%
11:00
23°
30%
12:00
23°
38%
13:00
22°
25%
14:00
22°
29%
15:00
21°
43%
16:00
20°
58%
17:00
20°
46%
18:00
19°
39%
19:00
18°
42%
20:00
17°
40%
21:00
17°
32%
22:00
17°
29%
23:00
17°
29%
00:00
17°
30%
14-Day Forecast for San Jose
2026-07-12
Mist
23° /
16°
2026-07-13
Mist
24° /
15°
2026-07-14
Mist
24° /
15°
2026-07-15
Mist
26° /
16°
2026-07-16
Mist
25° /
16°
2026-07-17
Mist
23° /
17°
2026-07-18
Mist
24° /
18°
Additional Forecasts for San Jose
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 161.0 μg/m³
O₃ (Ozone) 30.0 μg/m³
NO₂ (Nitrogen Dioxide) 6.3 μg/m³
SO₂ (Sulphur Dioxide) 2.8 μg/m³
PM2.5 (Fine particles) 2.5 μg/m³
PM10 (Coarse particles) 2.9 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Costa Rica
Weather in San Jose — FAQ
Answers refreshed each request based on current conditions in San Jose.
What is the weather like right now in San Jose?
Right now in San Jose, Costa Rica the temperature is 17.6°C (feels like 13.0°C), with light rain. Relative humidity is 97% and wind is 3.6 km/h.
What is today's high and low temperature in San Jose?
Today's forecast high in San Jose is 22.8°C and the overnight low is 16.4°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in San Jose today?
The chance of precipitation in San Jose today is 86%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in San Jose differ from nearby cities?
Even short distances can change temperatures noticeably. San Jose's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.