Castle Dale, Utah Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Castle Dale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——89°48°—
- FridayJun 5Overcast——92°61°+3°
- SaturdayJun 6Overcast——90°60°-2°
- SundayJun 7Overcast——83°64°-7°
- MondayJun 8Overcast——85°60°+2°
- TuesdayJun 9Overcast——86°64°+1°
- WednesdayJun 10Partly Cloudy——78°60°-8°
Ozone at AQI 80 now. AQI up 14 over the last 6 hours (gradual rise). With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 108 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 80 now. With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 108 by mid-afternoon.
- Present
- AQI 80
- UV peak
- 10.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 108
PM × Wind × Precip
PM2.5/PM10 ratio 0.54 with 18 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
- 5:52 AM
- Moonset
- 3:32 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Castle Dale at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 11 (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.