| NWS Forecast for: Haleakala Summit Issued by: National Weather Service Honolulu, HI Last Update: 308 AM HST Fri Jul 31 2026 |  |
| Today: tropical storm conditions possible. Mostly sunny in the morning then becoming partly sunny. Scattered showers. Highs around 66 at the visitor center to around 71 at the summit. East winds up to 30 mph increasing to up to 40 mph in the afternoon. Gusts up to 60 mph. Chance of rain 50 percent. Tonight: tropical storm conditions possible. Mostly cloudy with scattered showers. Lows around 53 at the visitor center to around 50 at the summit. East winds 10 to 40 mph with gusts to 60 mph. Chance of rain 50 percent. Saturday: Windy. Mostly sunny with scattered showers. Highs around 69 at the visitor center to around 72 at the summit. East winds 10 to 35 mph with gusts to 60 mph. Chance of rain 50 percent. Saturday Night: Breezy. Mostly cloudy with scattered showers. Lows 49 to 61. East winds 15 to 25 mph. Chance of rain 50 percent. Sunday: Breezy. Mostly sunny with isolated showers. Highs 64 to 81. East winds 10 to 20 mph. Chance of rain 20 percent. Sunday Night: Mostly cloudy with scattered showers. Lows 49 to 61. East winds around 10 mph. Chance of rain 50 percent. Monday: Partly sunny with isolated showers. Highs 64 to 81. Light winds becoming southeast around 10 mph in the afternoon. Chance of rain 20 percent. Monday Night: Mostly cloudy. Isolated showers in the evening, then scattered showers after midnight. Lows 50 to 62. East winds 10 to 15 mph. Chance of rain 50 percent. Tuesday: Mostly cloudy with isolated showers. Highs 64 to 82. East winds 10 to 15 mph shifting to the southeast in the afternoon. Chance of rain 20 percent. Tuesday Night: Cloudy. Isolated showers in the evening, then scattered showers after midnight. Lows 49 to 62. East winds up to 15 mph becoming around 10 mph after midnight. Chance of rain 50 percent. Wednesday: Mostly cloudy. Scattered showers in the morning, then isolated showers in the afternoon. Highs 64 to 82. East winds around 10 mph. Chance of rain 50 percent. Wednesday Night: Cloudy. Isolated showers in the evening, then scattered showers after midnight. Lows 50 to 63. East winds 10 to 15 mph. Chance of rain 50 percent. Thursday: Mostly cloudy. Scattered showers in the morning, then isolated showers in the afternoon. Highs 64 to 82. East winds 10 to 15 mph. Chance of rain 50 percent. | |
| Zone Forecast: Haleakala Summit | |
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