Kailua Weather Forecast 15 Days, Weather in Kailua Today
Current weather conditions and 15 day weather forecast for Kailua, Hawaii, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Kailua
| 17 September 2026 Thursday 26 ° C / 78.9°F  Sunny |
Feels Like : 27.9 ° C / 82.2°F Humidity : % 72 Pressure : 1014 mb Wind Speed : 9 kmph / 5.6 miles from SSW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Kailua, HI, USA
Weather Forecast for next 15 Days for Kailua including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Kailua, Hawaii state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Sunny |
24.7 ° C (76.5°F) |
28.2 ° C (82.7°F) |
26.2 ° C (79.2°F) |
% 72 | 58% | 11.6 | Sunrise:06:11 AM Sunset: 06:25 PM |
Moonrise:12:32 PM Moonset: 11:26 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday |  Patchy rain nearby |
24.2 ° C (75.6°F) |
27.3 ° C (81.1°F) |
25.7 ° C (78.3°F) |
% 73 | 68% | 10.6 | Sunrise:06:12 AM Sunset: 06:24 PM |
Moonrise:01:25 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Patchy rain nearby |
23.8 ° C (74.8°F) |
27.1 ° C (80.8°F) |
25 ° C (77°F) |
% 74 | 74% | 11.2 | Sunrise:06:12 AM Sunset: 06:23 PM |
Moonrise:02:13 PM Moonset: 12:20 AM Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Patchy rain nearby |
23.5 ° C (74.4°F) |
26.7 ° C (80°F) |
24.8 ° C (76.6°F) |
% 76 | 60% | 11 | Sunrise:06:12 AM Sunset: 06:22 PM |
Moonrise:02:57 PM Moonset: 01:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday |  Overcast |
24.1 ° C (75.4°F) |
26.8 ° C (80.3°F) |
25.4 ° C (77.8°F) |
% 71 | 14% | 7 | Sunrise:06:12 AM Sunset: 06:21 PM |
Moonrise:03:36 PM Moonset: 02:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Patchy rain nearby |
23.7 ° C (74.7°F) |
27.5 ° C (81.4°F) |
25.6 ° C (78.1°F) |
% 76 | 71% | 7 | Sunrise:06:12 AM Sunset: 06:20 PM |
Moonrise:04:12 PM Moonset: 02:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday |  Light rain shower |
21.9 ° C (71.5°F) |
27.1 ° C (80.9°F) |
23.9 ° C (75.1°F) |
% 88 | 91% | 6 | Sunrise:06:13 AM Sunset: 06:19 PM |
Moonrise:04:46 PM Moonset: 03:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
24.5 ° C (76.1°F) |
27.4 ° C (81.4°F) |
25.9 ° C (78.5°F) |
% 81 | 39% | 7 | Sunrise:06:13 AM Sunset: 06:18 PM |
Moonrise:05:18 PM Moonset: 04:39 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Patchy rain nearby |
24.2 ° C (75.6°F) |
27.8 ° C (82.1°F) |
25.9 ° C (78.7°F) |
% 79 | 75% | 6 | Sunrise:06:13 AM Sunset: 06:17 PM |
Moonrise:05:50 PM Moonset: 05:28 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Patchy rain nearby |
24.9 ° C (76.7°F) |
27.8 ° C (82°F) |
26.1 ° C (79°F) |
% 76 | 48% | 7 | Sunrise:06:13 AM Sunset: 06:16 PM |
Moonrise:06:23 PM Moonset: 06:18 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Patchy rain nearby |
24.7 ° C (76.5°F) |
27.1 ° C (80.8°F) |
25.9 ° C (78.5°F) |
% 78 | 62% | 7 | Sunrise:06:13 AM Sunset: 06:15 PM |
Moonrise:06:57 PM Moonset: 07:09 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Patchy rain nearby |
23.9 ° C (75.1°F) |
26 ° C (78.7°F) |
25 ° C (76.9°F) |
% 83 | 73% | 6 | Sunrise:06:14 AM Sunset: 06:15 PM |
Moonrise:07:36 PM Moonset: 08:03 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Light rain shower |
23.3 ° C (73.9°F) |
23.9 ° C (75.1°F) |
23.6 ° C (74.5°F) |
% 86 | 85% | 5 | Sunrise:06:14 AM Sunset: 06:14 PM |
Moonrise:08:18 PM Moonset: 08:59 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Patchy rain nearby |
22.6 ° C (72.7°F) |
25.4 ° C (77.8°F) |
24.1 ° C (75.4°F) |
% 72 | 72% | 6 | Sunrise:06:14 AM Sunset: 06:13 PM |
Moonrise:09:07 PM Moonset: 09:59 AM Moon Phase ( Waning Gibbous ) |
|
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