McCarthy, Alaska Weather
Mosquitoes rise from snowmelt. Day 76 of spring. Read this microseason across nine climate regions →
McCarthy weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Partly Cloudy——59°41°—
- ThursdayJun 4Mostly Clear——59°41°0°
- FridayJun 5Light Drizzle18%0.02″55°42°-4°
- SaturdayJun 6Drizzle90%0.07″48°41°-7°
- SundayJun 7Light Drizzle55%0.04″49°39°+1°
- MondayJun 8Light Drizzle45%0.11″47°41°-2°
- TuesdayJun 9Light Drizzle53%0.07″46°37°-1°
Ozone at AQI 44 now. AQI flat over the last 6 hours (within ±3 points). With UV 6.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 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 6.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 by mid-afternoon.
- Present
- AQI 44
- UV peak
- 6.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 38
PM × Wind × Precip
PM2.5 at 6.7 µg/m³ (AQI 37) with a 0.70 fine-to-coarse ratio and 0 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.70
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 10:07 AM
- Moonset
- 2:05 PM
- In sign
- ♑︎ Capricorn
Mosquitoes rise from snowmelt
McCarthy at a glance
- Today vs. normal: 55°F — typical for the season
- Last frost: August 23 (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.