Alpine, Utah Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Alpine weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——92°66°—
- SundayJul 5Overcast——96°69°+4°
- MondayJul 6Overcast18%—94°75°-2°
- TuesdayJul 7Overcast18%—97°70°+3°
- WednesdayJul 8Clear——98°71°+1°
- ThursdayJul 9Overcast——91°65°-7°
- FridayJul 10Clear——97°67°+6°
AQI 86 (Moderate), driven by Ozone. AQI up 19 in the last 6 hours — air quality is degrading. Ozone at AQI 47. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 47. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 47
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 7.0 µg/m³ (AQI 39), ratio 0.58 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.58
- Wind
- light
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:47 PM
- Moonset
- 11:43 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Alpine at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 84004
16-Day Forecast — Alpine
- Sat92°66°0%
- Sun96°69°1%
- Mon94°75°18%
- Tue97°70°18%
- Wed98°71°7%
- Thu91°65°4%
- Fri97°67°1%
- Sat102°71°3%
- Sun106°77°4%
- Mon106°74°7%
- Tue111°79°11%
- Wed109°80°12%
- Thu107°77°30%
- Fri106°76°32%
- Sat103°72°24%
- Sun102°73°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Alpine
SPC includes Alpine 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 Alpine
- 84004