| NWS Forecast for: Big Island Summit Issued by: National Weather Service Honolulu, HI Last Update: 323 PM HST Fri Nov 21 2025 |  |
| Tonight: Partly cloudy. Isolated rain showers in the evening. Lows around 42 at the visitor information station to around 36 near the summits. Light winds. Chance of rain 20 percent. Saturday: Mostly sunny. Scattered rain showers, snow showers and isolated thunderstorms in the afternoon. Precipitation may be heavy at times in the afternoon. Highs around 56 at the visitor information station to around 44 near the summits. East winds up to 10 mph. Chance of precipitation 40 percent. Saturday Night: Mostly clear. Lows around 41 at the visitor information station to around 34 near the summits. East winds up to 10 mph. Sunday: Sunny. Highs 43 to 62. East winds up to 10 mph. Sunday Night: Mostly clear. Lows 33 to 48. East winds up to 10 mph. Monday: Sunny. Highs 47 to 63. East winds up to 10 mph. Monday Night: Mostly clear. Lows 36 to 48. East winds up to 10 mph in the evening becoming light. Tuesday: Mostly sunny. Isolated showers in the afternoon. Highs 47 to 63. Light winds. Chance of rain 20 percent. Tuesday Night: Mostly clear. Lows 35 to 48. Light winds. Wednesday: Sunny. Isolated rain showers in the afternoon. Highs 45 to 62. Light winds. Chance of rain 20 percent. Wednesday Night: Mostly clear. Isolated rain showers in the evening. Lows 33 to 47. Light winds becoming east up to 10 mph after midnight. Chance of rain 20 percent. Thanksgiving Day: Sunny with isolated rain showers in the morning, then partly sunny with scattered rain showers in the afternoon. Highs 42 to 60. East winds up to 15 mph. Chance of rain 40 percent. Thursday Night: Partly cloudy with isolated rain showers. Lows 31 to 46. East winds up to 15 mph. Chance of rain 20 percent. Friday: Mostly sunny with isolated rain showers. Highs 40 to 61. East winds around 10 mph. Chance of rain 20 percent. | |
| Zone Forecast: Big Island Summit | |
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