Niihama Airport (IHA) 15 Day Weather Forecast, Niihama Japan
Current weather conditions and 15 day weather forecast for Niihama Airport in Niihama, Japan 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 IHA
| 05 December 2025 Fri 10.2 ° C ( 50.4°F )  Partly cloudy |
Feels Like : 8.4 ° C / 47.2°F Humidity : % 43 Pressure : 1023 mb Wind Speed : 13 kmph / 8.1 miles from WNW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15-day weather forecast for Niihama Airport, Niihama, Japan
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 05 December 2025 Fri |  Patchy rain nearby |
3.6 ° C | 8.3 ° C | 6.6 ° C | % 61 | 40 km/h | 97% |
| 06 December 2025 Sat |  Sunny |
4.2 ° C | 10.6 ° C | 7.7 ° C | % 59 | 8.6 km/h | 0% |
| 07 December 2025 Sun | Sunny |
7.6 ° C | 16.1 ° C | 11.9 ° C | % 63 | 19.1 km/h | 0% |
| 08 December 2025 Mon | Sunny |
8.3 ° C | 14.9 ° C | 12 ° C | % 66 | 22.3 km/h | 0% |
| 09 December 2025 Tue | Sunny |
7.3 ° C | 10.1 ° C | 8.4 ° C | % 57 | 10.8 km/h | 0% |
| 10 December 2025 Wed | Sunny |
7.7 ° C | 11.1 ° C | 9.2 ° C | % 54 | 7.2 km/h | 0% |
| 11 December 2025 Thu | Sunny |
9 ° C | 12.4 ° C | 10.6 ° C | % 50 | 5.8 km/h | 0% |
| 12 December 2025 Fri | Patchy rain nearby |
5 ° C | 12.2 ° C | 9.6 ° C | % 66 | 31.3 km/h | 0% |
| 13 December 2025 Sat | Partly Cloudy |
3.7 ° C | 10.7 ° C | 7.3 ° C | % 62 | 16.2 km/h | 0% |
| 14 December 2025 Sun |  Moderate rain |
8.2 ° C | 13 ° C | 10.8 ° C | % 88 | 31.3 km/h | 88% |
| 15 December 2025 Mon | Patchy rain nearby |
6.4 ° C | 10.1 ° C | 8.1 ° C | % 64 | 28.1 km/h | 86% |
| 16 December 2025 Tue | Sunny |
6.3 ° C | 10.1 ° C | 8 ° C | % 62 | 8.6 km/h | 0% |
| 17 December 2025 Wed | Sunny |
7.1 ° C | 11.5 ° C | 9.1 ° C | % 57 | 4.7 km/h | 0% |
| 18 December 2025 Thu | Patchy rain nearby |
7.9 ° C | 10.3 ° C | 9 ° C | % 73 | 14.4 km/h | 85% |
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