Hilo Weather Forecast 15 Days, Weather in Hilo Today
Current weather conditions and 15 day weather forecast for Hilo, 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 Hilo
| 15 December 2025 Monday 27.1 ° C / 80.8°F  Partly cloudy |
Feels Like : 30.1 ° C / 86.1°F Humidity : % 62 Pressure : 1011 mb Wind Speed : 16.9 kmph / 10.5 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 75 |
15 day weather forecast for Hilo, HI, USA
Weather Forecast for next 15 Days for Hilo 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 Hilo, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 December 2025 Sunday |  Sunny |
21.3 ° C (70.3°F) |
26.4 ° C (79.6°F) |
23.3 ° C (74°F) |
% 72 | 0% | 1.6 | Sunrise:06:47 AM Sunset: 05:44 PM |
Moonrise:02:21 AM Moonset: 02:03 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
20.7 ° C (69.3°F) |
25.5 ° C (77.9°F) |
22.8 ° C (73.1°F) |
% 75 | 0% | 1.5 | Sunrise:06:47 AM Sunset: 05:45 PM |
Moonrise:03:12 AM Moonset: 02:37 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Patchy rain nearby |
21.7 ° C (71°F) |
25.3 ° C (77.5°F) |
23.1 ° C (73.5°F) |
% 75 | 88% | 1.2 | Sunrise:06:48 AM Sunset: 05:45 PM |
Moonrise:04:03 AM Moonset: 03:16 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Patchy rain nearby |
20.7 ° C (69.2°F) |
25.3 ° C (77.6°F) |
22.6 ° C (72.6°F) |
% 75 | 88% | 1.6 | Sunrise:06:48 AM Sunset: 05:45 PM |
Moonrise:04:56 AM Moonset: 03:58 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Patchy rain nearby |
20.4 ° C (68.8°F) |
25.1 ° C (77.2°F) |
22.5 ° C (72.5°F) |
% 71 | 88% | 1.6 | Sunrise:06:49 AM Sunset: 05:46 PM |
Moonrise:05:50 AM Moonset: 04:45 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Partly Cloudy |
21 ° C (69.8°F) |
24.8 ° C (76.6°F) |
22.5 ° C (72.4°F) |
% 76 | 0% | 0 | Sunrise:06:49 AM Sunset: 05:46 PM |
Moonrise:06:43 AM Moonset: 05:37 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Patchy rain nearby |
20.9 ° C (69.7°F) |
24.4 ° C (76°F) |
22.5 ° C (72.5°F) |
% 78 | 86% | 5 | Sunrise:06:50 AM Sunset: 05:47 PM |
Moonrise:07:35 AM Moonset: 06:31 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Patchy rain nearby |
21 ° C (69.9°F) |
24.2 ° C (75.6°F) |
22.3 ° C (72.1°F) |
% 80 | 89% | 5 | Sunrise:06:50 AM Sunset: 05:47 PM |
Moonrise:08:23 AM Moonset: 07:27 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Patchy rain nearby |
20.3 ° C (68.6°F) |
22 ° C (71.5°F) |
21 ° C (69.8°F) |
% 84 | 87% | 5 | Sunrise:06:51 AM Sunset: 05:48 PM |
Moonrise:09:08 AM Moonset: 08:22 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
18.4 ° C (65.1°F) |
19.6 ° C (67.3°F) |
19.2 ° C (66.6°F) |
% 77 | 88% | 4 | Sunrise:06:51 AM Sunset: 05:48 PM |
Moonrise:09:49 AM Moonset: 09:18 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
16.5 ° C (61.8°F) |
18.1 ° C (64.5°F) |
17.5 ° C (63.5°F) |
% 77 | 85% | 4 | Sunrise:06:52 AM Sunset: 05:49 PM |
Moonrise:10:26 AM Moonset: 10:11 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
16.3 ° C (61.3°F) |
20.6 ° C (69°F) |
18.8 ° C (65.9°F) |
% 80 | 85% | 4 | Sunrise:06:52 AM Sunset: 05:49 PM |
Moonrise:11:02 AM Moonset: 11:05 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
18.4 ° C (65.1°F) |
21.9 ° C (71.5°F) |
20.3 ° C (68.5°F) |
% 80 | 85% | 5 | Sunrise:06:53 AM Sunset: 05:50 PM |
Moonrise:11:37 AM Moonset: 11:59 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
19.5 ° C (67.1°F) |
23 ° C (73.5°F) |
21.3 ° C (70.3°F) |
% 83 | 88% | 5 | Sunrise:06:53 AM Sunset: 05:51 PM |
Moonrise:12:12 PM Moonset: No moonset Moon Phase ( First Quarter ) |
|
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