Ko Olina, Hawaii 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Partly Cloudy 89°F 32°C Heat Index: 90°F	Observed at: Ko Olina, HI	Elevation: 20 ft | 6 m
	Last Updated: July 27, 2:15 PM Timezone: GMT -5/-4
	Sky Conditions: Partly Cloudy	Temperature: 89°F | 32°C
	Pressure: 29.92 in | 1013.3 mb	Dewpoint: 64°F | 18°C
	Humidity: 43%	Wind: ENE 12 mph | ENE 19 kph
	Feels Like: 92°F | 33°C	Visibility: 99.9 mi | 160.8 km
	Lat/Long: 21.3339 | -158.1197	Sunrise: 6:03 AM   Sunset: 7:13 PM

7 Day Graphical Forecast

Valid: 4:30 AM 7/28/2026

Today Partly Cloudy 89 |74 °F 32 |23 °C 0% Chance Precipitation Tuesday Partly Cloudy 93 |76 °F 34 |24 °C 10% Chance Precipitation Wednesday Drizzle 88 |76 °F 31 |25 °C 22% Chance Precipitation Thursday Thunderstorm 90 |76 °F 32 |24 °C 24% Chance Precipitation Friday Overcast 89 |77 °F 32 |25 °C 0% Chance Precipitation Saturday Overcast 87 |76 °F 30 |25 °C 8% Chance Precipitation Sunday Light Drizzle 87 |76 °F 31 |24 °C 4% Chance Precipitation

7 Hour Graphical Forecast

Valid: 4:30 AM 7/28/2026

4 AM Mostly Clear 76 °F 0% Chance Precipitation

5 AM Mostly Clear 76 °F 0% Chance Precipitation

6 AM Mostly Clear 76 °F 0% Chance Precipitation

7 AM Mostly Clear 78 °F 0% Chance Precipitation

8 AM Mostly Clear 81 °F 0% Chance Precipitation

9 AM Mostly Clear 85 °F 1% Chance Precipitation

10 AM Clear 87 °F 2% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Ko Olina, HI - (Fahrenheit & Celsius) Valid: 4:30 AM 7/28/2026 Today Partly Cloudy with a high near 89°F [32°C]. NE wind to around 13 mph [21 kph], with gusts to near 30 mph [49 kph]. Dewpoint near 64°F [18°C] with humidity of 81%. Pressure around 29.92 in [1013.3 mb]. UV Index: 9.2. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Partly Cloudy with a low around 74°F [23°C]. NE wind to around 13 mph [21 kph], with gusts to near 30 mph [49 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Partly Cloudy with a high near 93°F [34°C]. NE wind to around 12 mph [19 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 64°F [18°C] with humidity of 85%. Pressure around 29.92 in [1013.3 mb]. UV Index: 9.2. Chance of precipitation 10% with QPF of 0.00 in [0.0 mm]. Tuesday Night Partly Cloudy with a low around 76°F [24°C]. NE wind to around 12 mph [19 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 10% with QPF of 0.00 in [0.0 mm]. Wednesday Drizzle with a high near 88°F [31°C]. WSW wind to around 9 mph [14 kph], with gusts to near 23 mph [37 kph]. Dewpoint near 64°F [18°C] with humidity of 89%. Pressure around 29.92 in [1013.3 mb]. UV Index: 7.85. Chance of precipitation 22% with QPF of 0.18 in [4.6 mm]. Wednesday Night Drizzle with a low around 76°F [25°C]. WSW wind to around 9 mph [14 kph], with gusts to near 23 mph [37 kph]. Chance of precipitation 22% with QPF of 0.18 in [4.6 mm]. Thursday Thunderstorm with a high near 90°F [32°C]. E wind to around 13 mph [21 kph], with gusts to near 29 mph [47 kph]. Dewpoint near 64°F [18°C] with humidity of 95%. Pressure around 29.92 in [1013.3 mb]. UV Index: 7.35. Chance of precipitation 24% with QPF of 0.08 in [1.9 mm]. Thursday Night Thunderstorm with a low around 76°F [24°C]. E wind to around 13 mph [21 kph], with gusts to near 29 mph [47 kph]. Chance of precipitation 24% with QPF of 0.08 in [1.9 mm]. Friday Overcast with a high near 89°F [32°C]. ENE wind to around 16 mph [26 kph], with gusts to near 38 mph [62 kph]. Dewpoint near 64°F [18°C] with humidity of 86%. Pressure around 29.92 in [1013.3 mb]. UV Index: 9.05. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 77°F [25°C]. ENE wind to around 16 mph [26 kph], with gusts to near 38 mph [62 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 87°F [30°C]. ENE wind to around 18 mph [29 kph], with gusts to near 42 mph [67 kph]. Dewpoint near 64°F [18°C] with humidity of 81%. Pressure around 29.92 in [1013.3 mb]. UV Index: 8.8. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 76°F [25°C]. ENE wind to around 18 mph [29 kph], with gusts to near 42 mph [67 kph]. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm]. Sunday Light Drizzle with a high near 87°F [31°C]. ENE wind to around 16 mph [26 kph], with gusts to near 39 mph [63 kph]. Dewpoint near 64°F [18°C] with humidity of 84%. Pressure around 29.92 in [1013.3 mb]. UV Index: 7.95. Chance of precipitation 4% with QPF of 0.02 in [0.6 mm]. Sunday Night Light Drizzle with a low around 76°F [24°C]. ENE wind to around 16 mph [26 kph], with gusts to near 39 mph [63 kph]. Chance of precipitation 4% with QPF of 0.02 in [0.6 mm].

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7 Day and Night - QPF Forecast for Ko Olina, HI

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 4.6 mm | 0.18 in

Wednesday Night: 4.6 mm | 0.18 in

Thursday: 1.9 mm | 0.08 in

Thursday Night: 1.9 mm | 0.08 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.6 mm | 0.02 in

Sunday Night: 0.6 mm | 0.02 in

7 Day and Night - Maximum Wind Speed Forecast for Ko Olina, HI

Today: NE @ 21 kph | 13 mph

Tonight: NE @ 21 kph | 13 mph

Tuesday: NE @ 19 kph | 12 mph

Tuesday Night: NE @ 19 kph | 12 mph

Wednesday: WSW @ 14 kph | 9 mph

Wednesday Night: WSW @ 14 kph | 9 mph

Thursday: E @ 21 kph | 13 mph

Thursday Night: E @ 21 kph | 13 mph

Friday: ENE @ 26 kph | 16 mph

Friday Night: ENE @ 26 kph | 16 mph

Saturday: ENE @ 29 kph | 18 mph

Saturday Night: ENE @ 29 kph | 18 mph

Sunday: ENE @ 26 kph | 16 mph

Sunday Night: ENE @ 26 kph | 16 mph

7 Day and Night - Maximum Humidity Forecast for Ko Olina, HI

Today: 81 %

Tonight: 81 %

Tuesday: 85 %

Tuesday Night: 85 %

Wednesday: 89 %

Wednesday Night: 89 %

Thursday: 95 %

Thursday Night: 95 %

Friday: 86 %

Friday Night: 86 %

Saturday: 81 %

Saturday Night: 81 %

Sunday: 84 %

Sunday Night: 84 %

7 Day and Night - Snowfall Totals Forecast for Ko Olina, HI

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

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