Weather StoryAlmanac, microseasons, and the day's weather story.

Waipio, Hawaii Weather

Reef polyps synchronize in moonlight. Day 90 of spring. Read this microseason across nine climate regions →

Waipio weather forecast — hour by hour, 7-day outlook, NOAA radar

Waipio, HI
Wednesday, June 17 at 3:59 AM
71
°
Clear
Feels like
76°
Humidity
94%
Wind
5 mph
Sunrise
7:49 PM
Sunset
9:15 AM
Waipio, HI
Hour by hour · 24h
24-Hour ForecastWaipio, HI: 24-hour forecast. Temperatures range from 70 to 86 degrees Fahrenheit with a 46% chance of precipitation at 3 PM.
L 70°H 86°
Waipio, HI
7-day forecast
  1. Today
    Jun 17
    Partly Cloudy
    46%
    86°70°
  2. Thursday
    Jun 18
    Drizzle
    100%
    0.08″
    86°70°
  3. Friday
    Jun 19
    Drizzle
    67%
    0.05″
    90°69°+4°
  4. Saturday
    Jun 20
    Overcast
    15%
    88°71°-2°
  5. Sunday
    Jun 21
    Overcast
    29%
    88°70°
  6. Monday
    Jun 22
    Light Drizzle
    54%
    0.02″
    84°71°-4°
  7. Tuesday
    Jun 23
    Light Drizzle
    69%
    0.09″
    83°71°-1°
Waipio, HI
Anemometer · 24h winds · from true
NESW
From · True
NNE
016° · backing 6°
Direction
NNE
016°
Sustained
5
mph
Gust
11
mph
Peak 24h
28
avg 7
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 7 · pk 28 @ 2:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 234SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 6° from the nne.
Waipio, HI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1002.8
-1.2 mb in 3h · falling · 29.61 inHg
Now
1002.8
mb
3h
-1.2
mb
12h
+0.5
mb
24h
+0.2
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10021004
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1004.31002.11002.8
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Waipio, HI
Air quality
30
AQI
Good
-1 in 6h

AQI 30 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.4 µg/m³ (AQI 30), ratio 0.58 with 5 mph wind — characteristic of long-range haze transport rather than a local source.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
5.4μg/m³
PM 10Good
9μg/m³
NO₂Good
0μg/m³
OzoneGood
43μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 5.4 µg/m³ (AQI 30), ratio 0.58 with 5 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.58
Wind
light
Recent rain
0h in last 6h
Pattern
transport
Waipio, HI
Sky cover · visibility · 24h
Cloud cover
19%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
2.6mi
MIST/HAZE
107 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
13:59 UTC · Waipio, HI · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
13:59 UTC · Waipio, HI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Waipio, HI
Satellite · infrared · animated
Waipio, HI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Waipio, HI
Almanac · Wednesday, June 17
A summer fog for fair, a winter fog for rain.
Civil dawn
5:26 AM
Sunrise
7:49 PM
Daylight
13h 26m
Sunset
9:15 AM
Civil dusk
7:42 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Waipio, HI
The moon
Waxing Crescent
9% illuminated
Moonrise
8:34 AM
Moonset
9:27 PM
In sign
♌︎ Leo
Waipio, HI
Microseason
Jun 16–20

Reef polyps synchronize in moonlight

plant
Jan 146% of the yearDec 31

Read this microseason across nine climate regions →

Waipio at a glance

  • Today vs. normal: 23°F below the seasonal normal for this latitude
  • Last frost: December 25 (climatological average for this latitude)
  • Microseason: Jun 16–20
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

15-Day Forecast — Waipio

  1. Wed86°70°46%
  2. Thu86°70°100%
  3. Fri90°69°67%
  4. Sat88°71°15%
  5. Sun88°70°29%
  6. Mon84°71°54%
  7. Tue83°71°69%
  8. Wed83°72°78%
  9. Thu83°71°83%
  10. Fri83°71°76%
  11. Sat82°70°69%
  12. Sun82°70°83%
  13. Mon80°69°80%
  14. Tue79°69°78%
  15. Wed83°69°76%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of June 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in Waipio

  • 96797

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.