Cornish, Utah Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Cornish weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Clear——90°51°—
- SundayJul 5Overcast——95°62°+5°
- MondayJul 6Overcast——99°65°+4°
- TuesdayJul 7Overcast15%—99°64°0°
- WednesdayJul 8Light Drizzle——101°62°+2°
- ThursdayJul 9Clear——98°58°-3°
- FridayJul 10Clear——101°58°+3°
AQI 37 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 7.2 µg/m³ (AQI 40) with a 0.85 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 7.2 µg/m³ (AQI 40) with a 0.85 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.85
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:27 PM
- Moonset
- 10:35 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Cornish at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: April 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 84308
16-Day Forecast — Cornish
- Sat90°51°0%
- Sun95°62°1%
- Mon99°65°3%
- Tue99°64°15%
- Wed101°62°8%
- Thu98°58°1%
- Fri101°58°0%
- Sat109°62°1%
- Sun105°65°2%
- Mon103°65°4%
- Tue100°66°6%
- Wed105°64°12%
- Thu106°66°11%
- Fri106°64°14%
- Sat107°69°14%
- Sun104°65°13%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Cornish
SPC includes Cornish in the general thunderstorm area day after tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Cornish
- 84308