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
| 20 March 2026 Fri 9 ° C ( 48.2°F )  Sunny |
Feels Like : 6.7 ° C / 44.1°F Humidity : % 62 Pressure : 1024 mb Wind Speed : 14.8 kmph / 9.2 miles from ENE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Niihama Airport, Niihama, Japan
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 21 March 2026 Sat | Sunny |
7.8 ° C | 10.8 ° C | 9.5 ° C | % 56 | 21.2 km/h | 0% |
| 22 March 2026 Sun |  Moderate rain |
8.8 ° C | 13.3 ° C | 11 ° C | % 68 | 10.1 km/h | 89% |
| 23 March 2026 Mon | Moderate rain |
9.6 ° C | 13 ° C | 11.1 ° C | % 83 | 22 km/h | 89% |
| 24 March 2026 Tue | Sunny |
6.8 ° C | 12.4 ° C | 9.7 ° C | % 56 | 16.6 km/h | 0% |
| 25 March 2026 Wed |  Patchy rain nearby |
8.7 ° C | 11.3 ° C | 10 ° C | % 69 | 10.4 km/h | 78% |
| 26 March 2026 Thu | Patchy rain nearby |
9.3 ° C | 12.4 ° C | 10.8 ° C | % 69 | 6.1 km/h | 76% |
| 27 March 2026 Fri |  Overcast |
9.2 ° C | 13.8 ° C | 11.6 ° C | % 55 | 10.1 km/h | 0% |
| 28 March 2026 Sat | Moderate rain |
12.1 ° C | 14.6 ° C | 13.2 ° C | % 85 | 34.9 km/h | 84% |
| 29 March 2026 Sun | Sunny |
10.3 ° C | 14.2 ° C | 11.9 ° C | % 66 | 38.9 km/h | 0% |
| 30 March 2026 Mon | Sunny |
8.2 ° C | 12.8 ° C | 10.2 ° C | % 55 | 33.5 km/h | 0% |
| 31 March 2026 Tue | Sunny |
8.3 ° C | 14.3 ° C | 11 ° C | % 54 | 21.6 km/h | 0% |
| 01 April 2026 Wed | Sunny |
9.2 ° C | 13.1 ° C | 11.1 ° C | % 51 | 10.1 km/h | 0% |
| 02 April 2026 Thu | Patchy rain nearby |
11.7 ° C | 14.8 ° C | 13.3 ° C | % 70 | 11.2 km/h | 77% |
| 03 April 2026 Fri | Sunny |
12.1 ° C | 15.5 ° C | 13.8 ° C | % 80 | 7.6 km/h | 0% |
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