| NWS Forecast for: Kauai Mountains Issued by: National Weather Service Honolulu, HI Last Update: 306 PM HST Tue Aug 18 2026 | |
| Tonight: Partly cloudy with isolated showers in the evening, then mostly cloudy with scattered showers after midnight. Lows around 69 in the valleys to around 61 above 4000 feet. Light winds. Chance of rain 40 percent. Wednesday: Partly sunny with scattered showers. Highs 76 to 83 in the valleys to around 74 above 4000 feet. Light winds becoming east up to 10 mph in the afternoon. Chance of rain 50 percent. Wednesday Night: Mostly cloudy with scattered showers in the evening, then partly cloudy with isolated showers after midnight. Lows around 69 in the valleys to around 62 above 4000 feet. East winds around 10 mph. Chance of rain 30 percent. Thursday: Partly sunny with scattered showers. Highs 71 to 85. East winds around 10 mph. Chance of rain 50 percent. Thursday Night: Mostly cloudy with scattered showers. Lows 62 to 72. Light winds. Chance of rain 50 percent. Friday: Partly sunny. Showers likely in the morning, then scattered showers in the afternoon. Highs 72 to 86. Light winds. Chance of rain 70 percent. Friday Night: Mostly cloudy with scattered showers. Lows 63 to 73. East winds 10 to 15 mph. Chance of rain 50 percent. Saturday: Breezy. Partly sunny with scattered showers. Highs 72 to 87. East winds 10 to 20 mph. Chance of rain 50 percent. Saturday Night: Breezy. Mostly cloudy with scattered showers. Lows 63 to 73. East winds 10 to 20 mph. Chance of rain 40 percent. Sunday: Breezy. Partly sunny with scattered showers. Highs 71 to 87. East winds 10 to 20 mph. Chance of rain 50 percent. Sunday Night: Breezy. Mostly cloudy with scattered showers. Lows 62 to 73. Northeast winds 10 to 20 mph. Chance of rain 50 percent. Monday: Partly sunny. Breezy. Scattered showers in the morning, then showers likely in the afternoon. Highs 71 to 85. Northeast winds 10 to 20 mph. Chance of rain 60 percent. Monday Night: Breezy. Mostly cloudy with showers likely. Lows 62 to 72. Northeast winds 10 to 20 mph. Chance of rain 60 percent. Tuesday: Mostly cloudy. Breezy. Showers likely in the morning, then scattered showers in the afternoon. Highs 70 to 84. East winds 10 to 20 mph. Chance of rain 70 percent. | |
| Zone Forecast: Kauai Mountains | |
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