Herriman, Utah Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Herriman weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——87°64°—
- FridayJun 5Overcast——91°63°+4°
- SaturdayJun 6Overcast——88°61°-3°
- SundayJun 7Overcast13%—77°55°-11°
- MondayJun 8Overcast——81°57°+4°
- TuesdayJun 9Overcast——80°52°-1°
- WednesdayJun 10Drizzle16%0.07″67°52°-13°
Ozone at AQI 68 now. AQI flat over the last 6 hours (within ±3 points). With UV 9.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 88 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 68 now. With UV 9.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 88 by mid-afternoon.
- Present
- AQI 68
- UV peak
- 9.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 88
PM × Wind × Precip
PM10 at 40.7 µg/m³ (AQI 38) with a 0.33 fine-to-coarse ratio under 11 mph wind — coarse road or agricultural dust being kicked up.
- PM2.5/PM10
- 0.33
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- blown dust
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
- 6:00 AM
- Moonset
- 3:32 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Herriman at a glance
- Today vs. normal: 10°F above 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 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.