Gustavus, Alaska Weather
Mosquitoes rise from snowmelt. Day 77 of spring. Read this microseason across nine climate regions →
Gustavus weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Rain100%0.29″53°48°—
- FridayJun 5Heavy Drizzle95%0.18″53°47°0°
- SaturdayJun 6Light Drizzle53%0.04″54°47°+1°
- SundayJun 7Light Drizzle29%0.03″58°47°+4°
- MondayJun 8Overcast17%—61°47°+3°
- TuesdayJun 9Overcast14%—59°39°-2°
- WednesdayJun 10Light Drizzle33%—53°45°-6°
PM scrubbed by 6 hours of recent rain — PM2.5 down to 10.5 µg/m³, PM10 to 18.2 µg/m³. AQI flat over the last 6 hours (within ±4 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. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 1.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM scrubbed by 6 hours of recent rain — PM2.5 down to 10.5 µg/m³, PM10 to 18.2 µg/m³.
- PM2.5/PM10
- 0.58
- Wind
- light
- Recent rain
- 6h 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
- 9:09 AM
- Moonset
- 3:44 PM
- In sign
- ♒︎ Aquarius
Mosquitoes rise from snowmelt
Gustavus at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: August 5 (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.