Live Weather & Forecast
Weather in Jacareí
São Paulo, Brazil · Real-time conditions & 3-day outlook
19°C
Feels like 19°C
66°F / Feels 66°F
Partly Cloudy
Jacareí, São Paulo
🌙 Nighttime
Updated: 2026-04-21 20:15
Humidity
78%
Wind
3.6 km/h SSE
Wind Gust
4.7 km/h
Pressure
1018 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
14.5°C
Wind Degree
164°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
252.9 μg/m³
NO₂
21.6 μg/m³
O₃
22 μg/m³
SO₂
3 μg/m³
PM 2.5
11.9 μg/m³
PM 10
13.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Jacareí, São Paulo
12 AM
13°
Clear
1 AM
13°
Clear
2 AM
12°
Clear
3 AM
12°
Partly Cloudy
4 AM
12°
Partly Cloudy
5 AM
11°
Partly Cloudy
6 AM
11°
Mist
7 AM
13°
Mist
8 AM
16°
Partly Cloudy
9 AM
18°
Partly Cloudy
10 AM
22°
Sunny
11 AM
24°
Sunny
12 PM
26°
Sunny
1 PM
27°
Sunny
2 PM
27°
Sunny
3 PM
27°
Sunny
4 PM
26°
Sunny
5 PM
23°
Sunny
6 PM
18°
Clear
7 PM
17°
Clear
8 PM
19°
Partly Cloudy
9 PM
16°
Partly Cloudy
10 PM
15°
Partly Cloudy
11 PM
15°
Partly Cloudy
3-Day Forecast
Daily overview for Jacareí, São Paulo
Today
Sunny
27°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.9
🌅 Sunrise: 06:20 AM
🌇 Sunset: 05:45 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Partly Cloudy
28°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 10.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 9.2
🌅 Sunrise: 06:20 AM
🌇 Sunset: 05:45 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Sunny
29°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 7.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 9.1
🌅 Sunrise: 06:20 AM
🌇 Sunset: 05:44 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Jacareí
Plan your trip to Jacareí, Brazil around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Jacareí?
Current conditions in Jacareí: Partly Cloudy, temperature 19°C, humidity 78%.
What is the best time to visit Jacareí?
The best time to visit Jacareí is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Jacareí?
Jacareí is located at approximately -23.3° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Jacareí?
The wettest period in Jacareí is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Jacareí?
For visits to Jacareí during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Jacareí in 2026?
View the 2026 public holidays for Jacareí on our Holidays page.
What are the GPS coordinates used for the weather forecast in Jacareí?
The weather forecast for Jacareí uses coordinates -23.3051, -45.9723.
What is the current temperature outside in Jacareí?
The current outdoor temperature in Jacareí is 19°C (66°F) with partly cloudy.
What is the hourly weather forecast for Jacareí today?
Today's hour-by-hour weather breakdown for Jacareí 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 Jacareí tomorrow hour by hour?
Tomorrow's forecast for Jacareí shows a high of 28°C and a low of 13°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Jacareí?
Rain is not expected in Jacareí today. Current forecast shows no significant rain probability.
Is it going to rain today in Jacareí?
No, rain is not forecast for Jacareí today. Current conditions show clear to partly cloudy skies.