| NWS Forecast for: Niihau Issued by: National Weather Service Honolulu, HI Last Update: 301 PM HST Fri Jun 19 2026 | |
| Tonight: Mostly clear. Lows 70 to 76. Light winds. Saturday: Mostly sunny. Scattered showers in the afternoon. Highs 79 to 86. Light winds. Chance of rain 30 percent. Saturday Night: Partly cloudy with isolated showers. Lows 69 to 76. East winds up to 10 mph. Chance of rain 20 percent. Sunday: Mostly sunny. Isolated showers in the morning. Highs 79 to 85. Light winds becoming northeast around 10 mph in the afternoon. Chance of rain 20 percent. Sunday Night: Mostly clear. Lows 69 to 76. Northeast winds around 10 mph. Monday: Mostly sunny. Isolated showers in the afternoon. Highs 79 to 85. East winds around 10 mph. Chance of rain 20 percent. Monday Night: Partly cloudy. Isolated showers in the evening. Lows 69 to 76. East winds 10 to 15 mph. Chance of rain 20 percent. Tuesday: Mostly sunny. Isolated showers in the afternoon. Highs 79 to 85. East winds 10 to 15 mph. Chance of rain 20 percent. Tuesday Night: Partly cloudy with isolated showers. Lows 69 to 76. East winds 10 to 15 mph. Chance of rain 20 percent. Wednesday: Mostly sunny with isolated showers. Highs 79 to 85. East winds 10 to 15 mph. Chance of rain 20 percent. Wednesday Night: Partly cloudy with isolated showers. Lows 69 to 75. Northeast winds 10 to 15 mph. Chance of rain 20 percent. Thursday: Mostly sunny with isolated showers. Highs 79 to 85. East winds 10 to 15 mph. Chance of rain 20 percent. Thursday Night: Partly cloudy with isolated showers. Lows 69 to 75. East winds 10 to 15 mph. Chance of rain 20 percent. Friday: Mostly sunny with isolated showers. Highs 79 to 85. East winds 10 to 15 mph. Chance of rain 20 percent. | |
| Zone Forecast: Niihau | |
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