| National Weather Service Forecast for:
Wailuku HI Issued by: National Weather Service Honolulu, HI |
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| Updated: 6:02 pm HST Dec 21, 2025 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 70. North wind around 7 mph. |
| Monday |
Isolated showers after noon. Mostly sunny, with a high near 83. Breezy, with a north wind 7 to 12 mph becoming east northeast 13 to 18 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%. |
| Monday Night |
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 70. Breezy, with an east northeast wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible. |
| Tuesday |
Scattered showers, mainly before noon. Partly sunny, with a high near 81. Breezy, with an east northeast wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. |
| Tuesday Night |
Isolated showers. Partly cloudy, with a low around 68. Breezy, with an east northeast wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%. |
| Wednesday |
Isolated showers. Sunny, with a high near 81. Breezy, with an east northeast wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%. |
| Wednesday Night |
Isolated showers. Mostly clear, with a low around 67. East northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. |
| Christmas Day |
Isolated showers. Mostly sunny, with a high near 80. Breezy, with an east northeast wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%. |
| Thursday Night |
Isolated showers. Partly cloudy, with a low around 67. East northeast wind 11 to 13 mph. Chance of precipitation is 20%. |
| Friday |
Isolated showers. Sunny, with a high near 81. East northeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. |
| Friday Night |
Isolated showers. Partly cloudy, with a low around 67. East wind 6 to 10 mph. Chance of precipitation is 20%. |
| Saturday |
Isolated showers. Partly sunny, with a high near 81. East wind 6 to 10 mph. Chance of precipitation is 20%. |
| Saturday Night |
Mostly cloudy, with a low around 68. East wind 5 to 7 mph. |
| Sunday |
Isolated showers. Mostly cloudy, with a high near 81. East wind 6 to 8 mph. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Wailuku HI.
