Expires:202512222000;;999136 FPHW50 PHFO 220103 ZFPHFO Zone Forecast Product for Hawaii National Weather Service Honolulu HI 303 PM HST Sun Dec 21 2025 HIZ028-222000- Big Island Summits- Including Mauna Loa and Mauna Kea Above 8000 feet 303 PM HST Sun Dec 21 2025 .TONIGHT...Mostly clear. Haze in the evening. Lows around 46 at the visitor information station to around 37 near the summits. Northeast winds up to 10 mph. .MONDAY...Mostly sunny in the morning, then partly sunny with isolated showers in the afternoon. Haze through the day. Highs around 59 at the visitor information station to around 46 near the summits. Northeast winds up to 10 mph. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. Haze. Lows around 43 at the visitor information station to around 37 near the summits. Northeast winds up to 15 mph. .TUESDAY...Mostly sunny in the morning then becoming partly sunny. Breezy. Highs 44 to 63. North winds up to 20 mph. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Breezy. Lows 35 to 48. North winds up to 25 mph with gusts to 45 mph. .WEDNESDAY...Mostly sunny. Breezy. Isolated snow showers in the afternoon. Highs 44 to 62. North winds up to 25 mph with gusts to 45 mph. Chance of snow 20 percent. .WEDNESDAY NIGHT...Partly cloudy. Breezy. Isolated snow showers after midnight. Lows 36 to 46. North winds up to 25 mph with gusts to 45 mph. Chance of snow 20 percent. .CHRISTMAS DAY...Sunny in the morning then becoming partly sunny. Highs 47 to 61. Northeast winds up to 15 mph. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 38 to 47. East winds up to 10 mph. .FRIDAY...Mostly sunny. Highs 48 to 61. Northeast winds up to 10 mph increasing to 10 to 15 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows 38 to 47. East winds up to 15 mph. .SATURDAY...Mostly sunny in the morning then becoming mostly cloudy. Highs 46 to 62. Light winds. .SATURDAY NIGHT...Mostly cloudy. Lows 36 to 47. Light winds. .SUNDAY...Mostly cloudy. Highs 44 to 62. Light winds. $$