Eureka, Utah Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Eureka weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——81°56°—
- TuesdayJun 16Overcast——84°61°+3°
- WednesdayJun 17Clear——84°61°0°
- ThursdayJun 18Clear——84°54°0°
- FridayJun 19Overcast——89°59°+5°
- SaturdayJun 20Overcast——81°56°-8°
- SundayJun 21Overcast——80°51°-1°
AQI 45 (Good), driven by Ozone. AQI up 14 over the last 6 hours (gradual rise). Ozone at AQI 81 now. With UV 9.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 106 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 81 now. With UV 9.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 106 around 1 PM.
- Present
- AQI 81
- UV peak
- 9.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 106
PM × Wind × Precip
PM2.5 at 4.9 µg/m³ (AQI 27), ratio 0.54 with 11 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.54
- Wind
- breezy
- 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
- 6:05 AM
- Moonset
- 9:19 PM
- In sign
- ♋︎ Cancer
Paintbrush crowns the ridges
Eureka at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Eureka
- Mon82°56°0%
- Tue84°61°1%
- Wed84°61°0%
- Thu84°54°0%
- Fri89°59°2%
- Sat81°56°4%
- Sun80°51°5%
- Mon85°57°0%
- Tue89°59°0%
- Wed91°60°2%
- Thu93°63°2%
- Fri86°60°2%
- Sat78°59°3%
- Sun77°51°6%
- Mon90°54°6%
- Tue98°65°7%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 15, 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 Eureka
- 84628