Itanhaém Airport (JTN) 15 Day Weather Forecast, Itanhaém Brazil
Current weather conditions and 15 day weather forecast for Itanhaém Airport in Itanhaém, Brazil including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at JTN
| 14 September 2026 Mon 17.6 ° C ( 63.7°F )  Light rain shower |
Feels Like : 15.7 ° C / 60.3°F Humidity : % 93 Pressure : 1020 mb Wind Speed : 20.9 kmph / 13 miles from S 
Visibility : 10 km Precipitation (rainfall) : 1.68 mm Cloud (%) : 100 |
15-day weather forecast for Itanhaém Airport, Itanhaém, Brazil
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 14 September 2026 Mon | Light rain shower |
17 ° C | 17.9 ° C | 17.4 ° C | % 92 | 22.3 km/h | 92% |
| 15 September 2026 Tue |  Patchy rain nearby |
16.2 ° C | 18.7 ° C | 17.3 ° C | % 87 | 18 km/h | 81% |
| 16 September 2026 Wed | Light rain shower |
16.9 ° C | 19.4 ° C | 18.3 ° C | % 82 | 21.6 km/h | 81% |
| 17 September 2026 Thu | Patchy rain nearby |
18 ° C | 20.2 ° C | 19.1 ° C | % 77 | 27 km/h | 72% |
| 18 September 2026 Fri | Patchy rain nearby |
17.2 ° C | 20.9 ° C | 19.4 ° C | % 86 | 24.5 km/h | 60% |
| 19 September 2026 Sat | Light rain shower |
19.3 ° C | 20.9 ° C | 19.9 ° C | % 94 | 22.3 km/h | 93% |
| 20 September 2026 Sun | Patchy rain nearby |
19.7 ° C | 23.2 ° C | 21 ° C | % 92 | 18.4 km/h | 93% |
| 21 September 2026 Mon |  Overcast |
20.6 ° C | 26.1 ° C | 22.6 ° C | % 83 | 9 km/h | 67% |
| 22 September 2026 Tue |  Mist |
20.1 ° C | 22 ° C | 21.1 ° C | % 91 | 14 km/h | 24% |
| 23 September 2026 Wed | Light rain shower |
19.9 ° C | 22.2 ° C | 20.9 ° C | % 93 | 13 km/h | 92% |
| 24 September 2026 Thu |  Sunny |
20.1 ° C | 23.9 ° C | 22.1 ° C | % 90 | 13.7 km/h | 59% |
| 25 September 2026 Fri | Sunny |
21.4 ° C | 24.5 ° C | 22.8 ° C | % 90 | 19.1 km/h | 60% |
| 26 September 2026 Sat | Mist |
20.4 ° C | 22.1 ° C | 21.3 ° C | % 95 | 16.9 km/h | 93% |
| 27 September 2026 Sun | Light rain shower |
20.3 ° C | 21.8 ° C | 21 ° C | % 92 | 16.9 km/h | 86% |
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