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
| 18 December 2025 Thursday 26.2 ° C / 79.2°F  Clear |
Feels Like : 29.1 ° C / 84.4°F Humidity : % 70 Pressure : 1014 mb Wind Speed : 13 kmph / 8.1 miles from S  Visibility : 16 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 December 2025 Wednesday | Sunny |
23 ° C (73.3°F) |
26.8 ° C (80.2°F) |
24.5 ° C (76.1°F) |
% 75 | 0% | 1.6 | Sunrise:06:52 AM Sunset: 05:49 PM |
Moonrise:05:00 AM Moonset: 04:02 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Patchy rain nearby |
23 ° C (73.3°F) |
26.4 ° C (79.5°F) |
24.4 ° C (76°F) |
% 75 | 87% | 1.5 | Sunrise:06:52 AM Sunset: 05:50 PM |
Moonrise:05:54 AM Moonset: 04:49 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Sunny |
22.7 ° C (72.8°F) |
26 ° C (78.8°F) |
24.3 ° C (75.7°F) |
% 76 | 0% | 1.5 | Sunrise:06:53 AM Sunset: 05:50 PM |
Moonrise:06:47 AM Moonset: 05:41 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Patchy rain nearby |
23.1 ° C (73.6°F) |
25.5 ° C (77.9°F) |
24.1 ° C (75.5°F) |
% 81 | 89% | 1.4 | Sunrise:06:53 AM Sunset: 05:50 PM |
Moonrise:07:39 AM Moonset: 06:35 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Patchy rain nearby |
22.8 ° C (73°F) |
25.4 ° C (77.8°F) |
23.9 ° C (75°F) |
% 81 | 89% | 1.5 | Sunrise:06:54 AM Sunset: 05:51 PM |
Moonrise:08:27 AM Moonset: 07:31 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Patchy rain nearby |
23 ° C (73.4°F) |
25.7 ° C (78.3°F) |
23.7 ° C (74.7°F) |
% 79 | 88% | 0 | Sunrise:06:54 AM Sunset: 05:51 PM |
Moonrise:09:12 AM Moonset: 08:26 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
22.4 ° C (72.4°F) |
25.1 ° C (77.3°F) |
23.6 ° C (74.5°F) |
% 75 | 84% | 5 | Sunrise:06:55 AM Sunset: 05:52 PM |
Moonrise:09:53 AM Moonset: 09:21 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
22.4 ° C (72.4°F) |
24.6 ° C (76.4°F) |
23.4 ° C (74.1°F) |
% 73 | 84% | 5 | Sunrise:06:55 AM Sunset: 05:53 PM |
Moonrise:10:30 AM Moonset: 10:15 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
21.5 ° C (70.7°F) |
23.6 ° C (74.6°F) |
22.5 ° C (72.4°F) |
% 75 | 89% | 5 | Sunrise:06:56 AM Sunset: 05:53 PM |
Moonrise:11:06 AM Moonset: 11:09 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
21.4 ° C (70.4°F) |
24.1 ° C (75.3°F) |
22.4 ° C (72.3°F) |
% 75 | 86% | 5 | Sunrise:06:56 AM Sunset: 05:54 PM |
Moonrise:11:41 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
21.2 ° C (70.1°F) |
24.7 ° C (76.5°F) |
22.8 ° C (73°F) |
% 74 | 88% | 5 | Sunrise:06:57 AM Sunset: 05:54 PM |
Moonrise:12:16 PM Moonset: 12:03 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
21.8 ° C (71.3°F) |
24.3 ° C (75.7°F) |
22.8 ° C (73°F) |
% 75 | 76% | 5 | Sunrise:06:57 AM Sunset: 05:55 PM |
Moonrise:12:54 PM Moonset: 12:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
21.7 ° C (71°F) |
23.8 ° C (74.8°F) |
22.6 ° C (72.6°F) |
% 76 | 86% | 5 | Sunrise:06:57 AM Sunset: 05:55 PM |
Moonrise:01:37 PM Moonset: 01:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
21.3 ° C (70.3°F) |
24.7 ° C (76.5°F) |
23 ° C (73.5°F) |
% 68 | 0% | 6 | Sunrise:06:58 AM Sunset: 05:56 PM |
Moonrise:02:24 PM Moonset: 03:02 AM Moon Phase ( Waxing Gibbous ) |
|
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