🇧🇷 Weather in Jundiaí
Map Overlays:
Hourly Forecast for Jundiaí
04:00
13°
42%
05:00
12°
43%
06:00
12°
27%
07:00
14°
14%
08:00
17°
8%
09:00
20°
5%
10:00
22°
3%
11:00
25°
4%
12:00
27°
4%
13:00
27°
6%
14:00
27°
3%
15:00
26°
10%
16:00
24°
5%
17:00
21°
16%
18:00
17°
24%
19:00
16°
26%
20:00
16°
28%
21:00
15°
29%
22:00
15°
31%
23:00
15°
29%
00:00
15°
32%
01:00
15°
28%
02:00
14°
31%
03:00
14°
31%
14-Day Forecast for Jundiaí
2026-10-21
Overcast
27° /
12°
2026-10-22
Patchy rain nearby
23° /
14°
2026-10-23
Fog
20° /
16°
2026-10-24
Fog
19° /
16°
2026-10-25
Patchy rain nearby
19° /
16°
2026-10-26
Sunny
22° /
12°
2026-10-27
Overcast
21° /
11°
Additional Forecasts for Jundiaí
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 127.0 μg/m³
O₃ (Ozone) 35.0 μg/m³
NO₂ (Nitrogen Dioxide) 17.0 μg/m³
SO₂ (Sulphur Dioxide) 8.1 μg/m³
PM2.5 (Fine particles) 9.3 μg/m³
PM10 (Coarse particles) 10.9 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Brazil
Weather in Jundiaí — FAQ
Answers refreshed each request based on current conditions in Jundiaí.
What is the weather like right now in Jundiaí?
Right now in Jundiaí, Brazil the temperature is 13.3°C (feels like 12.2°C), with partly cloudy. Relative humidity is 87% and wind is 8.3 km/h.
What is today's high and low temperature in Jundiaí?
Today's forecast high in Jundiaí is 27.4°C and the overnight low is 12.4°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Jundiaí today?
The chance of precipitation in Jundiaí today is 14%. 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 Jundiaí differ from nearby cities?
Even short distances can change temperatures noticeably. Jundiaí'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.




