Riverton, Utah Weather
Pikas hayfeeding in granite peaks. Day 78 of spring. Read this microseason across nine climate regions →
Riverton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——88°59°—
- FridayJun 5Overcast——93°58°+5°
- SaturdayJun 6Overcast——92°65°-1°
- SundayJun 7Overcast13%—81°58°-11°
- MondayJun 8Overcast——84°61°+3°
- TuesdayJun 9Drizzle15%0.06″78°55°-6°
- WednesdayJun 10Heavy Drizzle23%0.38″58°52°-20°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5/PM10 ratio 0.41 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
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 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7 by mid-afternoon.
- Present
- AQI 30
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5/PM10 ratio 0.41 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.41
- 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
- 6:32 AM
- Moonset
- 4:38 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Riverton at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: April 19 (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 5, 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.