Kapaa, Hawaii Weather
First trades stir the ceiba canopy. Day 77 of spring. Read this microseason across nine climate regions →
Kapaa weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Heavy Drizzle100%0.06″79°73°—
- ThursdayJun 4Light Rain100%0.14″77°71°-2°
- FridayJun 5Heavy Drizzle88%0.06″77°72°0°
- SaturdayJun 6Drizzle92%0.01″78°72°+1°
- SundayJun 7Light Drizzle98%0.09″78°72°0°
- MondayJun 8Heavy Drizzle96%0.32″77°70°-1°
- TuesdayJun 9Drizzle84%0.12″77°70°0°
PM2.5/PM10 ratio 0.57 with 9 mph wind — characteristic of long-range haze transport rather than a local source. 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
PM2.5/PM10 ratio 0.57 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.57
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 8:28 AM
- Moonset
- 7:34 PM
- In sign
- ♑︎ Capricorn
First trades stir the ceiba canopy
Kapaa at a glance
- Today vs. normal: 16°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 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.