Byron, Wyoming Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Byron weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——80°46°—
- ThursdayJun 4Overcast——77°53°-3°
- FridayJun 5Clear——90°52°+13°
- SaturdayJun 6Overcast11%—97°64°+7°
- SundayJun 7Light Drizzle35%—79°62°-18°
- MondayJun 8Overcast14%—86°52°+7°
- TuesdayJun 9Overcast12%—84°61°-2°
Ozone at AQI 58 — peak already passed at 1 PM under clear skies. AQI up 9 over the last 6 hours (gradual rise). Levels should ease through evening.
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 58 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 58
- UV peak
- 1.3 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 58
PM × Wind × Precip
PM2.5/PM10 ratio 0.46 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.46
- 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
- 6:01 AM
- Moonset
- 3:03 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Byron at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: May 15 (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.
SPC Convective Outlook
Storm Prediction Center — Byron
SPC has placed Byron in the General Thunderstorms category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.