Kapaau, Hawaii Weather
First trades stir the ceiba canopy. Day 77 of spring. Read this microseason across nine climate regions →
Kapaau weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Drizzle94%0.06″80°73°—
- FridayJun 5Light Drizzle100%0.06″79°72°-1°
- SaturdayJun 6Light Drizzle94%0.02″80°71°+1°
- SundayJun 7Mostly Clear67%—81°71°+1°
- MondayJun 8Light Drizzle65%0.02″80°72°-1°
- TuesdayJun 9Light Drizzle36%0.01″82°73°+2°
- WednesdayJun 10Light Drizzle18%0.05″80°71°-2°
PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.6 µg/m³, PM10 to 14.6 µg/m³. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 30 now. With UV 11 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 33 by mid-afternoon.
- Present
- AQI 30
- UV peak
- 11.5 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 33
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.6 µg/m³, PM10 to 14.6 µg/m³.
- PM2.5/PM10
- 0.59
- Wind
- breezy
- Recent rain
- 2h in last 6h
- Pattern
- washed out
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:09 AM
- Moonset
- 7:22 PM
- In sign
- ♒︎ Aquarius
First trades stir the ceiba canopy
Kapaau at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: December 18 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, 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.