As of 01:05 HST

Weather in Waipio Acres, HI

75°Current weather

Waipio Acres, Sunday, 9 August, 01:05

Partly cloudy. Feels like 76°. High 81°, low 74°.

Pressure30.00 inHg
Wind2 mph W
Humidity79%
Visibility6.2 mi
Dew point68°

Monthly outlook for Waipio Acres, HI: average high 82.3°, average low 73.7°. That is 0° above the climate normal for August. Precipitation is expected on 8 days (about 0.6 inches), against a normal of 4 days and 0.5 inches. The warmest day looks like 18 August (86.8°), the coolest 18 August (72.2°).

82.3°/73.7°
Average high / low
+0°
Above normal
8 / 4
Wet days / normal
0.6 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
9 August – 18 August82.6°82.2°+0.2°
19 August – 28 August81.9°82.3°-0.3°
29 August – 7 Septemberat normal82.5°

August records over 66 years

90.3°8 August 2019All-time high
66.4°31 August 2021All-time low

Climate normals and records are computed from the nearest reference point — Mililani Town (2 mi).

Mon, 1084° / 74°0Light rain
84 °Light rain

Waipio Acres, Monday, 10 August

Light rain. High 84°, low 74°.

Pressure29.97 inHg
Wind10.9 mph NE
Humidity59%
Visibility6.2 mi
Dew point68°
Tue, 1183° / 73°0Overcast
83 °Overcast

Waipio Acres, Tuesday, 11 August

Overcast. High 83°, low 73°.

Pressure29.97 inHg
Wind9.7 mph E
Humidity57%
Visibility6.2 mi
Dew point66°
Wed, 1282° / 74°0.02Light rain
82 °Light rain

Waipio Acres, Wednesday, 12 August

Light rain. High 82°, low 74°.

Pressure29.97 inHg
Wind11.1 mph E
Humidity55%
Visibility6.2 mi
Dew point64°
Thu, 1382° / 73°0.02Light rain
82 °Light rain

Waipio Acres, Thursday, 13 August

Light rain. High 82°, low 73°.

Pressure29.97 inHg
Wind14.5 mph NE
Humidity59%
Visibility
Dew point65°
Fri, 1482° / 73°0Partly cloudy
82 °Partly cloudy

Waipio Acres, Friday, 14 August

Partly cloudy. High 82°, low 73°.

Pressure29.97 inHg
Wind15.3 mph NE
Humidity62%
Visibility
Dew point65°
Sat, 1582° / 73°0Light rain
82 °Light rain

Waipio Acres, Saturday, 15 August

Light rain. High 82°, low 73°.

Pressure29.97 inHg
Wind14.5 mph NE
Humidity56%
Visibility
Dew point63°
Sun, 1678° / 74°0.15Light rain
78 °Light rain

Waipio Acres, Sunday, 16 August

Light rain. High 78°, low 74°.

Pressure29.91 inHg
Wind10.8 mph N
Humidity80%
Visibility
Dew point70°
Mon, 1786° / 74°0.05Light rain
86 °Light rain

Waipio Acres, Monday, 17 August

Light rain. High 86°, low 74°.

Pressure29.94 inHg
Wind10.2 mph S
Humidity60%
Visibility
Dew point68°
Tue, 1887° / 72°0.02Light rain
87 °Light rain

Waipio Acres, Tuesday, 18 August

Light rain. High 87°, low 72°.

Pressure30.00 inHg
Wind4.8 mph E
Humidity50%
Visibility
Dew point63°
Wed, 1983° / 74°0.05Light rain
83 °Light rain

Waipio Acres, Wednesday, 19 August

Light rain. High 83°, low 74°.

Pressure30.00 inHg
Wind10.2 mph E
Humidity59%
Visibility
Dew point65°
Thu, 2083° / 74°0.06Light rain
83 °Light rain

Waipio Acres, Thursday, 20 August

Light rain. High 83°, low 74°.

Pressure30.03 inHg
Wind11.9 mph E
Humidity64%
Visibility
Dew point67°
Fri, 2183° / 76°0.1Light rain
83 °Light rain

Waipio Acres, Friday, 21 August

Light rain. High 83°, low 76°.

Pressure30.03 inHg
Wind13.2 mph E
Humidity74%
Visibility
Dew point71°
Sat, 2282° / 74°0.06Light rain
82 °Light rain

Waipio Acres, Saturday, 22 August

Light rain. High 82°, low 74°.

Pressure30.03 inHg
Wind17.3 mph E
Humidity70%
Visibility
Dew point69°
Sun, 2381° / 73°0.04Light rain
81 °Light rain

Waipio Acres, Sunday, 23 August

Light rain. High 81°, low 73°.

Pressure30.03 inHg
Wind17.9 mph NE
Humidity61%
Visibility
Dew point65°
Mon, 2481° / 74°0.05Light rain
81 °Light rain

Waipio Acres, Monday, 24 August

Light rain. High 81°, low 74°.

Pressure29.97 inHg
Wind14.6 mph NE
Humidity65%
Visibility
Dew point67°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2582° / 74°0.03Climate normal
82 °Climate normal

Waipio Acres, Tuesday, 25 August

Climate normal for this date — 60-year average.

Average high82°
Average low74°
Average precipitation0.03 in
Chance of precipitation17%
Record high88° (2025)
Record low69° (2025)
Wed, 2682° / 74°0.03Climate normal
82 °Climate normal

Waipio Acres, Wednesday, 26 August

Climate normal for this date — 60-year average.

Average high82°
Average low74°
Average precipitation0.03 in
Chance of precipitation27%
Record high88° (2019)
Record low70° (2025)
Thu, 2782° / 74°0.03Climate normal
82 °Climate normal

Waipio Acres, Thursday, 27 August

Climate normal for this date — 60-year average.

Average high82°
Average low74°
Average precipitation0.03 in
Chance of precipitation22%
Record high88° (2019)
Record low70° (2024)
Fri, 2883° / 74°0.03Climate normal
83 °Climate normal

Waipio Acres, Friday, 28 August

Climate normal for this date — 60-year average.

Average high83°
Average low74°
Average precipitation0.03 in
Chance of precipitation28%
Record high89° (2019)
Record low69° (2024)
Sat, 2983° / 74°0.02Climate normal
83 °Climate normal

Waipio Acres, Saturday, 29 August

Climate normal for this date — 60-year average.

Average high83°
Average low74°
Average precipitation0.02 in
Chance of precipitation20%
Record high89° (2019)
Record low69° (2025)
Sun, 3083° / 74°0.03Climate normal
83 °Climate normal

Waipio Acres, Sunday, 30 August

Climate normal for this date — 60-year average.

Average high83°
Average low74°
Average precipitation0.03 in
Chance of precipitation28%
Record high89° (2023)
Record low68° (2025)
Mon, 3182° / 74°0.04Climate normal
82 °Climate normal

Waipio Acres, Monday, 31 August

Climate normal for this date — 60-year average.

Average high82°
Average low74°
Average precipitation0.04 in
Chance of precipitation33%
Record high89° (2019)
Record low66° (2021)
Tue, 0182° / 74°0.04Climate normal
82 °Climate normal

Waipio Acres, Tuesday, 1 September

Climate normal for this date — 60-year average.

Average high82°
Average low74°
Average precipitation0.04 in
Chance of precipitation38%
Record high88° (2019)
Record low68° (2021)
Wed, 0282° / 74°0.03Climate normal
82 °Climate normal

Waipio Acres, Wednesday, 2 September

Climate normal for this date — 60-year average.

Average high82°
Average low74°
Average precipitation0.03 in
Chance of precipitation32%
Record high88° (2020)
Record low68° (2025)
Thu, 0382° / 74°0.04Climate normal
82 °Climate normal

Waipio Acres, Thursday, 3 September

Climate normal for this date — 60-year average.

Average high82°
Average low74°
Average precipitation0.04 in
Chance of precipitation38%
Record high88° (2019)
Record low69° (2023)
Fri, 0482° / 74°0.04Climate normal
82 °Climate normal

Waipio Acres, Friday, 4 September

Climate normal for this date — 60-year average.

Average high82°
Average low74°
Average precipitation0.04 in
Chance of precipitation33%
Record high89° (2025)
Record low67° (2023)
Sat, 0583° / 74°0.03Climate normal
83 °Climate normal

Waipio Acres, Saturday, 5 September

Climate normal for this date — 60-year average.

Average high83°
Average low74°
Average precipitation0.03 in
Chance of precipitation35%
Record high89° (2023)
Record low68° (2023)
Sun, 0682° / 73°0.02Climate normal
82 °Climate normal

Waipio Acres, Sunday, 6 September

Climate normal for this date — 60-year average.

Average high82°
Average low73°
Average precipitation0.02 in
Chance of precipitation13%
Record high88° (2024)
Record low67° (2023)
Mon, 0783° / 74°0.02Climate normal
83 °Climate normal

Waipio Acres, Monday, 7 September

Climate normal for this date — 60-year average.

Average high83°
Average low74°
Average precipitation0.02 in
Chance of precipitation22%
Record high89° (2023)
Record low67° (2025)

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Waipio Acres, HI are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Waipio Acres, HI since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.