Nikiski, Alaska Weather
Mosquitoes rise from snowmelt. Day 76 of spring. Read this microseason across nine climate regions →
Nikiski weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——76°51°—
- ThursdayJun 4Mostly Clear——75°49°-1°
- FridayJun 5Partly Cloudy——71°48°-4°
- SaturdayJun 6Light Drizzle29%—61°46°-10°
- SundayJun 7Overcast26%—56°46°-5°
- MondayJun 8Overcast16%—56°46°0°
- TuesdayJun 9Partly Cloudy——57°44°+1°
Ozone at AQI 31 now. AQI flat over the last 6 hours (within ±3 points). With UV 2.6 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 8 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 31 now. With UV 2.6 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 8 by mid-afternoon.
- Present
- AQI 31
- UV peak
- 2.6 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5/PM10 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
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
- 10:28 AM
- Moonset
- 2:53 PM
- In sign
- ♑︎ Capricorn
Mosquitoes rise from snowmelt
Nikiski at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: August 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
Warm-season window is open
As of June 3, 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.