Trenton, Utah Weather
Paintbrush crowns the ridges. Day 86 of spring. Read this microseason across nine climate regions →
Trenton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 13Clear——81°51°—
- SundayJun 14Clear——81°51°0°
- MondayJun 15Overcast——86°50°+5°
- TuesdayJun 16Overcast——92°55°+6°
- WednesdayJun 17Clear——87°59°-5°
- ThursdayJun 18Mostly Clear——88°48°+1°
- FridayJun 19Partly Cloudy——95°55°+7°
AQI 45 (Good), driven by Ozone. AQI down 19 over the last 6 hours — air quality is improving sharply. Ozone at AQI 37 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 16 around 1 PM.
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 37 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 16 around 1 PM.
- Present
- AQI 37
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 6.2 µg/m³ (AQI 34) with a 0.66 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.66
- 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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 4:05 AM
- Moonset
- 6:59 PM
- In sign
- ♉︎ Taurus
Paintbrush crowns the ridges
Trenton at a glance
- Today vs. normal: 17°F below the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Prune spring-blooming shrubs after flowers fade.
15-Day Forecast — Trenton
- Sat81°52°0%
- Sun81°51°0%
- Mon86°50°0%
- Tue92°55°0%
- Wed87°59°0%
- Thu88°48°0%
- Fri95°55°9%
- Sat89°55°25%
- Sun92°53°11%
- Mon88°50°1%
- Tue95°52°2%
- Wed101°58°5%
- Thu105°63°9%
- Fri107°64°10%
- Sat110°68°6%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 13, 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.
ZIP codes in Trenton
- 84338