Smithfield, Utah Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Smithfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Clear——90°51°—
- SundayJul 5Overcast——94°67°+4°
- MondayJul 6Light Drizzle——96°71°+2°
- TuesdayJul 7Light Drizzle14%—96°66°0°
- WednesdayJul 8Light Drizzle——98°70°+2°
- ThursdayJul 9Clear——94°65°-4°
- FridayJul 10Clear——98°65°+4°
AQI 36 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 68 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 68
- UV peak
- 8.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 68
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
- 11:26 PM
- Moonset
- 10:35 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Smithfield at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 84335
16-Day Forecast — Smithfield
- Sat90°51°0%
- Sun94°67°0%
- Mon96°71°7%
- Tue96°66°14%
- Wed98°70°6%
- Thu94°65°1%
- Fri98°65°0%
- Sat105°70°0%
- Sun109°76°2%
- Mon111°78°4%
- Tue110°76°10%
- Wed109°77°12%
- Thu107°74°12%
- Fri107°76°15%
- Sat109°73°16%
- Sun111°74°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 — Smithfield
SPC includes Smithfield 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 Smithfield
- 84335