Afton, Wyoming Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Afton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——72°45°—
- FridayJun 5Partly Cloudy——78°52°+6°
- SaturdayJun 6Overcast——78°54°0°
- SundayJun 7Drizzle39%0.04″61°42°-17°
- MondayJun 8Light Drizzle—0.02″69°41°+8°
- TuesdayJun 9Overcast17%—71°46°+2°
- WednesdayJun 10Light Drizzle33%0.01″66°44°-5°
PM2.5 at 9.5 µg/m³, PM10 at 17.9 µg/m³ — typical background levels with no transport signature. 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
Ozone × UV × Sky
Ozone at AQI 47 now. With UV 8.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 37 by mid-afternoon.
- Present
- AQI 47
- UV peak
- 8.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 37
PM × Wind × Precip
PM2.5 at 9.5 µg/m³, PM10 at 17.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.53
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 6:03 AM
- Moonset
- 3:20 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Afton at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: May 2 (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.