Observed 4:55 AM HST at PHHI

Ko Olina, HI weather

Clear and 70°21°.

Mostly agree

Now 70°21°

Clear

Wind: 5 mph8 km/h; From the northwest. 58–16 mph26 km/h through 5 PM
Dew point: 65°18°; Muggy
UV index: 0Low; High 12–3 PM · peak 6
Air quality: 23Good; Main pollutant: Ozone
Pressure: 29.98 inHg1015 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (69°20° then, 70°21° now)

Good hours for

High 87°31° today at noon

This morningUp to 85°29° by 11 AM · Partly cloudy
This afternoonDown to 83°28° by 5 PM · Mostly cloudy
TonightDown to 74°23° by 3 AM · Partly cloudy
Tomorrow morningUp to 84°29° by 11 AM · Partly cloudy
Tomorrow afternoonDown to 82°28° by 5 PM · Partly cloudy
Tomorrow nightDown to 73°23° by 3 AM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 5a	Partly cloudy	74°23° (likely 71°22° to 75°24°)	74°23°	0%	14 mph23 km/h from NE, gusts 7 mph12 km/h	79%	41%	0
Sat 6a	Partly cloudy	74°23° (likely 71°22° to 76°24°)	74°23°	0%	14 mph23 km/h from NE, gusts 7 mph12 km/h	79%	42%	0
Sat 7a	Partly sunny	74°23° (likely 71°22° to 76°24°)	74°23°	0%	14 mph23 km/h from NE, gusts 7 mph12 km/h	79%	69%	0
Sat 8a	Partly sunny	76°24° (likely 75°24° to 77°25°)	76°24°	0%	13 mph21 km/h from NE, gusts 8 mph13 km/h	74%	60%	1
Sat 9a	Partly sunny	79°26° (likely 78°26° to 80°27°)	79°26°	0%	13 mph21 km/h from NE, gusts 12 mph19 km/h	67%	63%	2
Sat 10a	Cloudy	82°28° (likely 80°27° to 83°28°)	85°29°	0%	13 mph21 km/h from NE, gusts 12 mph20 km/h	59%	71%	4
Sat 11a	Cloudy	85°29° (likely 81°27° to 85°29°)	88°31°	0%	5 mph8 km/h from NE, gusts 12 mph19 km/h	53%	70%	5
Sat 12p	Partly sunny	87°31° (likely 82°28° to 87°31°)	89°32°	0%	5 mph8 km/h from NE, gusts 12 mph20 km/h	50%	66%	6
Sat 1p	Partly sunny	87°31° (likely 83°28° to 87°31°)	89°32°	0%	5 mph8 km/h from NE, gusts 12 mph20 km/h	50%	71%	6
Sat 2p	Partly sunny	87°31° (likely 83°28° to 87°31°)	89°32°	0%	10 mph16 km/h from NE, gusts 13 mph20 km/h	50%	69%	6
Sat 3p	Partly sunny	87°31° (likely 82°28° to 87°31°)	89°32°	0%	10 mph16 km/h from NE, gusts 13 mph22 km/h	50%	76%	5
Sat 4p	Cloudy	85°29° (likely 82°28° to 85°29°)	88°31°	0%	10 mph16 km/h from NE, gusts 14 mph23 km/h	53%	73%	3
Sat 5p	Partly sunny	83°28° (likely 81°27° to 83°28°)	85°29°	0%	16 mph26 km/h from NE, gusts 16 mph25 km/h	59%	63%	1
Sat 6p	Partly cloudy	80°27° (likely 78°26° to 80°27°)	82°28°	5%	16 mph26 km/h from NE, gusts 16 mph26 km/h	66%	67%	0
Sat 7p	Partly cloudy	77°25° (likely 76°24° to 78°26°)	77°25°	5%	16 mph26 km/h from NE, gusts 16 mph25 km/h	73%	63%	0
Sat 8p	Partly cloudy	76°24° (likely 75°24° to 77°25°)	76°24°	5%	16 mph26 km/h from NE, gusts 14 mph22 km/h	78%	46%	0
Sat 9p	Partly cloudy	76°24° (likely 74°23° to 77°25°)	76°24°	5%	16 mph26 km/h from NE, gusts 12 mph19 km/h	77%	44%	0
Sat 10p	Partly cloudy	76°24° (likely 74°23° to 77°25°)	76°24°	5%	16 mph26 km/h from NE, gusts 11 mph17 km/h	76%	49%	0
Sat 11p	Partly cloudy	76°24° (likely 73°23° to 77°25°)	76°24°	5%	16 mph26 km/h from NE, gusts 10 mph16 km/h	75%	41%	0
Sun 12a	Mostly clear	75°24° (likely 73°23° to 77°25°)	75°24°	5%	16 mph26 km/h from NE, gusts 10 mph16 km/h	74%	41%	0
Sun 1a	Mostly clear	75°24° (likely 73°23° to 76°24°)	75°24°	5%	16 mph26 km/h from NE, gusts 9 mph15 km/h	74%	43%	0
Sun 2a	Mostly clear	75°24° (likely 73°23° to 76°24°)	75°24°	5%	15 mph24 km/h from NE, gusts 9 mph15 km/h	74%	48%	0
Sun 3a	Mostly clear	74°23° (likely 73°23° to 75°24°)	74°23°	5%	15 mph24 km/h from NE, gusts 9 mph15 km/h	75%	43%	0
Sun 4a	Mostly clear	74°23° (likely 73°23° to 75°24°)	74°23°	5%	15 mph24 km/h from NE, gusts 9 mph15 km/h	76%	40%	0
Sun 5a	Mostly clear	74°23° (likely 72°22° to 75°24°)	74°23°	5%	10 mph16 km/h from NNE, gusts 9 mph14 km/h	76%	40%	0
Sun 6a	Mostly clear	74°23° (likely 72°22° to 75°24°)	74°23°	0%	10 mph16 km/h from NNE, gusts 9 mph15 km/h	77%	51%	0
Sun 7a	Sunny	74°23° (likely 72°22° to 76°24°)	74°23°	0%	10 mph16 km/h from NNE, gusts 9 mph14 km/h	77%	28%	0
Sun 8a	Sunny	76°24° (likely 75°24° to 76°24°)	76°24°	0%	10 mph16 km/h from NNE, gusts 9 mph15 km/h	72%	24%	1
Sun 9a	Mostly sunny	78°26° (likely 78°26° to 79°26°)	78°26°	0%	10 mph16 km/h from NNE, gusts 11 mph18 km/h	64%	3%	3
Sun 10a	Mostly sunny	82°28° (likely 80°27° to 82°28°)	83°28°	0%	10 mph16 km/h from NNE, gusts 10 mph16 km/h	55%	12%	4
Sun 11a	Mostly sunny	84°29° (likely 81°27° to 84°29°)	85°29°	0%	7 mph11 km/h from NNE, gusts 9 mph15 km/h	49%	38%	6
Sun 12p	Partly sunny	86°30° (likely 81°27° to 86°30°)	87°31°	5%	7 mph11 km/h from NNE, gusts 10 mph16 km/h	46%	39%	7
Sun 1p	Partly sunny	86°30° (likely 80°27° to 86°30°)	87°31°	5%	7 mph11 km/h from NNE, gusts 11 mph18 km/h	47%	50%	7
Sun 2p	Partly sunny	86°30° (likely 79°26° to 86°30°)	87°31°	5%	7 mph11 km/h from NNE, gusts 12 mph19 km/h	48%	72%	7
Sun 3p	Partly sunny	86°30° (likely 79°26° to 86°30°)	87°31°	5%	7 mph11 km/h from NNE, gusts 13 mph21 km/h	48%	69%	5
Sun 4p	Partly sunny	84°29° (likely 79°26° to 84°29°)	86°30°	5%	7 mph11 km/h from NNE, gusts 14 mph23 km/h	50%	68%	3
Sun 5p	Mostly sunny	82°28° (likely 78°26° to 82°28°)	83°28°	5%	7 mph11 km/h from NE, gusts 14 mph23 km/h	55%	55%	1
Sun 6p	Mostly clear	79°26° (likely 76°24° to 79°26°)	79°26°	0%	7 mph11 km/h from NE, gusts 15 mph23 km/h	61%	51%	0
Sun 7p	Mostly clear	76°24° (likely 75°24° to 78°26°)	76°24°	0%	7 mph11 km/h from NE, gusts 13 mph21 km/h	67%	11%	0
Sun 8p	Mostly clear	75°24° (likely 74°23° to 77°25°)	75°24°	0%	7 mph11 km/h from NE, gusts 10 mph16 km/h	70%	11%	0
Sun 9p	Clear	75°24° (likely 73°23° to 76°24°)	75°24°	0%	7 mph11 km/h from NE, gusts 9 mph15 km/h	69%	6%	0
Sun 10p	Mostly clear	75°24° (likely 72°22° to 76°24°)	75°24°	0%	7 mph11 km/h from NE, gusts 7 mph12 km/h	68%	14%	0
Sun 11p	Mostly clear	75°24° (likely 71°22° to 76°24°)	75°24°	0%	6 mph10 km/h from NE, gusts 7 mph11 km/h	67%	43%	0
Mon 12a	Mostly clear	74°23° (likely 71°22° to 75°24°)	74°23°	0%	6 mph10 km/h from NE, gusts 6 mph10 km/h	67%	32%	0
Mon 1a	Mostly clear	74°23° (likely 70°21° to 75°24°)	74°23°	0%	6 mph10 km/h from NE, gusts 5 mph9 km/h	68%	40%	0
Mon 2a	Mostly clear	74°23° (likely 70°21° to 74°23°)	74°23°	0%	6 mph10 km/h from NE, gusts 6 mph9 km/h	69%	23%	0
Mon 3a	Mostly clear	73°23° (likely 70°21° to 74°23°)	73°23°	0%	6 mph10 km/h from NE, gusts 5 mph9 km/h	71%	32%	0
Mon 4a	Mostly clear	73°23° (likely 69°21° to 74°23°)	73°23°	0%	6 mph10 km/h from NE, gusts 6 mph9 km/h	72%	29%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Partly sunny. High 87°31°, low 74°23°. Typical 86°30° / 73°23°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 76°24°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 87°31°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 76°24°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 74°23°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 87. Northeast wind 5 to 16 mph, with gusts as high as 21 mph.
Tonight: Partly cloudy, with a low around 74. Northeast wind around 14 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
83°28°–87°31°
Low, likely
71°22°–75°24°
Typical high / low
86°30° / 73°23°
Wind
13 mph21 km/h, gusts 22 mph35 km/h
UV peak
6
Tomorrow, Oct 25. Mostly sunny. High 86°30°, low 73°23°. Typical 86°30° / 73°23°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 76°24°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 86°30°
  Dry
3. Evening
  6 PM–midnight
  Clear, 75°24°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 71°22°
  Dry
Official NWS forecast
Day: Sunny, with a high near 86. Northeast wind 7 to 10 mph.
Night: Mostly clear, with a low around 73. East northeast wind 3 to 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
81°27°–86°30°
Low, likely
71°22°–74°23°
Typical high / low
86°30° / 73°23°
Wind
12 mph19 km/h, gusts 21 mph34 km/h
UV peak
7
Monday, Oct 26. Partly sunny. High 85°29°, low 74°23°. Typical 86°30° / 73°23°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 74°24°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 83°28°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 76°25°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 75°24°
  30% chance · 0.11 in2.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 85. East wind around 5 mph.
Night: Scattered rain showers. Mostly cloudy, with a low around 74. East northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 85°29°).
High, likely
79°26°–86°30°
Low, likely
68°20°–74°23°
Typical high / low
86°30° / 73°23°
Wind
10 mph17 km/h, gusts 15 mph25 km/h
UV peak
7
Tuesday, Oct 27. Thunderstorms. High 84°29°, low 74°23°. Typical 86°30° / 73°23°. Storms 1.3 in34 mm, 70% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 75°24°
  50% chance · 0.2 in5 mm
2. Afternoon
  noon–6 PM
  Rain, 76°24°
  60% chance · 0.62 in16 mm
3. Evening
  6 PM–midnight
  Rain, 73°23°
  70% chance · 0.48 in12 mm
4. Overnight
  midnight–6 AM
  Rain, 74°23°
  60% chance · 0.11 in2.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Showers and thunderstorms likely. Some of the storms could produce heavy rain. Cloudy, with a high near 84. East northeast wind 7 to 10 mph. Chance of precipitation is 70%.
Night: Frequent showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 74. East northeast wind around 9 mph. Chance of precipitation is 80%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–84°29°
Low, likely
69°21°–74°23°
Typical high / low
86°30° / 73°23°
Wind
15 mph25 km/h
UV peak
2
Wednesday, Oct 28. Thunderstorms. High 84°29°, low 75°24°. Typical 86°30° / 73°23°. Storms 0.75 in19 mm, 80% chance. Mostly agree.
1. Morning
  6 AM–noon
  Showers, 75°24°
  60% chance · 0.43 in11 mm
2. Afternoon
  noon–6 PM
  Drizzle, 78°26°
  60% chance · 0.13 in3.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 76°25°
  60% chance · 0.02 in0.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 76°25°
  50% chance · 0.04 in1 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Frequent showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 84. East northeast wind 5 to 9 mph. Chance of precipitation is 80%.
Night: Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 75. East northeast wind around 5 mph. Chance of precipitation is 80%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–84°29°
Low, likely
72°22°–75°24°
Typical high / low
86°30° / 73°23°
Wind
17 mph27 km/h
UV peak
2
Thursday, Oct 29. Thunderstorms. High 85°29°, low 75°24°. Typical 86°30° / 73°23°. Storms 0.26 in6.6 mm, 80% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 76°25°
  50% chance · 0.09 in2.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 79°26°
  60% chance · 0.12 in3 mm
3. Evening
  6 PM–midnight
  Cloudy, 77°25°
  60% chance · 0.02 in0.6 mm
4. Overnight
  midnight–6 AM
  Cloudy, 77°25°
  50% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 85. East wind around 5 mph. Chance of precipitation is 80%.
Night: Showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 75. East wind around 5 mph. Chance of precipitation is 70%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–85°29°
Low, likely
74°23°–77°25°
Typical high / low
86°30° / 73°23°
Wind
16 mph26 km/h, gusts 28 mph45 km/h
UV peak
6
Friday, Oct 30. Showers. High 85°29°, low 76°24°. Typical 86°30° / 73°23°. Rain 0.15 in3.8 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 77°25°
  40% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 80°27°
  40% chance · 0.08 in1.9 mm
3. Evening
  6 PM–midnight
  Cloudy, 77°25°
  40% chance · 0.07 in1.8 mm
4. Overnight
  midnight–6 AM
  Drizzle, 75°24°
  40% chance · 0.16 in4.1 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Scattered rain showers. Mostly cloudy, with a high near 85. East northeast wind around 6 mph. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–85°29°
Low, likely
74°23°–77°25°
Typical high / low
86°30° / 73°23°
Wind
14 mph22 km/h, gusts 24 mph38 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 80°27°, low 74°23°. Typical 86°30° / 73°23°. Rain 0.78 in20 mm, 50% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 76°24°
  30% chance · 0.2 in5.2 mm
2. Afternoon
  noon–6 PM
  Cloudy, 79°26°
  40% chance · 0.24 in6.1 mm
3. Evening
  6 PM–midnight
  Cloudy, 78°25°
  40% chance · 0.2 in5 mm
4. Overnight
  midnight–6 AM
  Showers, 76°25°
  40% chance · 0.31 in7.8 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
79°26°–82°28°
Low, likely
73°23°–75°24°
Typical high / low
86°30° / 73°23°
Wind
21 mph34 km/h, gusts 31 mph50 km/h
UV peak
4
Sunday, Nov 1. Showers. High 81°27°, low 75°24°. Typical 86°30° / 73°23°. Rain 0.67 in17 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 77°25°
  40% chance · 0.28 in7.2 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 81°27°
  40% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Cloudy, 77°25°
  40% chance · 0.06 in1.5 mm
4. Overnight
  midnight–6 AM
  Cloudy, 75°24°
  40% chance · 0.12 in3 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–84°29°
Low, likely
72°22°–79°26°
Typical high / low
86°30° / 73°23°
Wind
21 mph34 km/h, gusts 31 mph50 km/h
UV peak
7
Monday, Nov 2. Drizzle. High 80°27°, low 76°24°. Typical 85°29° / 73°23°. Rain 0.65 in17 mm, 40% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 76°24°
  30% chance · 0.17 in4.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 79°26°
  30% chance · 0.11 in2.7 mm
3. Evening
  6 PM–midnight
  Cloudy, 77°25°
  30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
79°26°–80°27°
Low, likely
74°23°–79°26°
Typical high / low
85°29° / 73°23°
Wind
19 mph30 km/h, gusts 29 mph47 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 87°, low 74°.
Tomorrow
Dry, high 86°, low 73°.
Monday
Dry, high 85°, low 74°.
Rest of week
Highs 80–85°; chance of precipitation on Tuesday, Wednesday, Thursday, Friday, Sunday, Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (HFO) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Honouliuli Stream near Waipahu

5.5 mi

Level: 5.2 ft
Flow: 4 cfs

Reading from Sat 4:15 AM · NWS gauge page

Waikele Stream near Waipahu

7.5 mi

Below flood stage

Level: 2.1 ft

Reading from Sat 4 AM · NWS gauge page

Waikele Stream near Wheeler AFB

11 mi

Level: 4.8 ft

Reading from Sat 3:55 AM · NWS gauge page

Wahiawa Reservoir at Spillway

12 mi

Below flood stage

Level: 53.8 ft

Reading from Sat 4:35 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Cooling this week

About 74% less cooling than a typical week.

This week 27Typical 102

Cooling degree days, base 65°F

Comfort

Sticky, humid air (dew point 65°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Honolulu Area · official normals 1991–2020 · records 1940–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 0° colder than normal (daily mean temperature).

±0°SunOct 18
+1°±0°MonOct 19
±0°TueOct 20
±0°WedOct 21
−1°ThuOct 22
−1°FriOct 23
—SatOct 24

Ko Olina weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 29 min; Losing 1 min 10 s a day; shortest Dec 21, 39 min less
Golden hour: 5:30–6:14 PM; Morning 6:18–7:02 AM
Blue hour: 6:14–6:23 PM; Morning 6:09–6:18 AM; first light 6:09 AM

Stars tonight? Poor

Clouds most of the night (about 41% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:06 AM · rises 5:02 PM
Full moon: Oct 25
New moon: Nov 8

Looking northwest from Ko Olina. The highest point on the skyline is about 2,900 ft, 11 mi away.Skyline from USGS elevation data, heights drawn up to 4× taller. Sky, sun and moon as they are now.