Kachemak, Alaska Weather
Mosquitoes rise from snowmelt. Day 77 of spring. Read this microseason across nine climate regions →
Kachemak weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——70°56°—
- FridayJun 5Clear——63°53°-7°
- SaturdayJun 6Drizzle88%0.01″61°49°-2°
- SundayJun 7Light Drizzle84%0.07″53°46°-8°
- MondayJun 8Light Drizzle22%0.04″53°47°0°
- TuesdayJun 9Light Drizzle17%—57°45°+4°
- WednesdayJun 10Overcast39%—62°49°+5°
Ozone at AQI 44 now. AQI flat over the last 6 hours (within ±3 points). With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 29 by mid-afternoon.
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 44 now. With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 29 by mid-afternoon.
- Present
- AQI 44
- UV peak
- 5.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 29
PM × Wind × Precip
PM2.5/PM10 ratio 0.49 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.49
- 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
- 10:24 AM
- Moonset
- 4:40 PM
- In sign
- ♒︎ Aquarius
Mosquitoes rise from snowmelt
Kachemak at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: August 12 (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
Warm-season window is open
As of June 4, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.