Kapaa, Hawaii Weather
First trades stir the ceiba canopy. Day 76 of spring. Read this microseason across nine climate regions →
Kapaa weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Heavy Drizzle100%0.03″79°73°—
- ThursdayJun 4Heavy Drizzle100%0.16″77°71°-2°
- FridayJun 5Light Drizzle99%—78°73°+1°
- SaturdayJun 6Drizzle84%0.03″77°72°-1°
- SundayJun 7Heavy Drizzle91%0.07″77°70°0°
- MondayJun 8Drizzle90%0.12″76°70°-1°
- TuesdayJun 9Drizzle74%0.13″77°71°+1°
PM scrubbed by 2 hours of recent rain — PM2.5 down to 10.1 µg/m³, PM10 to 17.6 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
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 10.1 µg/m³, PM10 to 17.6 µg/m³.
- PM2.5/PM10
- 0.57
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 7:44 AM
- Moonset
- 6:38 PM
- In sign
- ♑︎ Capricorn
First trades stir the ceiba canopy
Kapaa at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: December 30 (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 3, 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.