Kearns, Utah Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Kearns weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——94°64°—
- SundayJul 5Overcast——99°71°+5°
- MondayJul 6Overcast19%—99°74°0°
- TuesdayJul 7Overcast19%—97°70°-2°
- WednesdayJul 8Clear——100°70°+3°
- ThursdayJul 9Mostly Clear——95°65°-5°
- FridayJul 10Clear——99°65°+4°
AQI 37 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 8.3 µg/m³ (AQI 46) 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 8.3 µg/m³ (AQI 46) 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
- 11:25 PM
- Moonset
- 10:37 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Kearns at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Kearns
- Sat94°63°0%
- Sun99°71°0%
- Mon99°74°19%
- Tue97°70°19%
- Wed100°70°5%
- Thu95°65°1%
- Fri99°65°1%
- Sat106°71°5%
- Sun106°74°6%
- Mon103°73°13%
- Tue100°73°13%
- Wed102°70°15%
- Thu103°72°17%
- Fri100°75°21%
- Sat102°77°23%
- Sun103°74°16%
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 — Kearns
SPC includes Kearns 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.
Microseason · July 1–5
Monsoon storms drench the south
Monsoon established in southern Mountain West (New Mexico, southern Utah, Arizona north); afternoon downpours and lightning common.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Kearns peaks at about 81°F in July and bottoms near 28°F in December; March brings the heaviest rain (2.6 inches) and June the least (0.5 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 29° | 2.0″ | 16 |
| February | 32° | 1.8″ | 15 |
| March | 38° | 2.6″ | 19 |
| April | 46° | 2.4″ | 16 |
| May | 58° | 1.7″ | 13 |
| June | 71° | 0.5″ | 6 |
| July | 81° | 0.7″ | 7 |
| August | 79° | 0.9″ | 8 |
| September | 68° | 1.2″ | 8 |
| October | 53° | 1.3″ | 8 |
| November | 37° | 2.3″ | 14 |
| December | 28° | 2.2″ | 17 |
Regional context
In Kearns, NOAA NCEI 1991-2020 normals put January near 29°F and July near 81°F — a 51°F seasonal arc — with about 19.7 inches of precipitation over 147 rainy or snowy days.
Precipitation in Kearns peaks in the cool season: March averages 2.6 inches across 18.6 storm-fed days, while June bottoms out at 0.5 inches over just 6.2 rainy days. That cool-season-wet pattern aligns Kearns with places like West Valley City, UT, Taylorsville, UT and West Jordan, UT.
Once Kearns passes mid-April, overnight freezes fade and kale, peas, spinach, and parsnips can be sown. Heat-demanding starts go out a fortnight on in Kearns, after the soil warms and cold snaps clear. Frost returns to Kearns near mid-November, ending the tender-crop season. A creek-bottom lot in Kearns can lag Kearns's last frost 7-10 days behind a south slope.
Similar climates: West Valley City, UT, Taylorsville, UT, West Jordan, UT, Murray, UT, Midvale, UT.
Frequently asked
- When does it freeze in Kearns?
- Frost typically leaves Kearns by mid-April and returns to Kearns near mid-November.
- What is the rainy season in Kearns?
- Rainfall in Kearns peaks in March near 2.6 inches, out of about 20 inches annually.
- What is the warmest month in Kearns?
- Kearns peaks in July, when the mean runs near 81°F.
- What is the coldest month in Kearns?
- December is Kearns's coldest month, averaging about 28°F.
- When can I start a vegetable garden in Kearns?
- In Kearns, sow peas and hardy greens around mid-April; Kearns's tomatoes and peppers wait two weeks more.
- How many rainy days does Kearns get?
- Kearns records around 147 days of measurable precipitation annually.
- What hardiness zone is Kearns?
- With December around 28°F, Kearns's zone reflects that minimum — the USDA ZIP map confirms Kearns's band.
- What is the 10-day forecast for Kearns?
- Kearns's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Kearns?
- See this week's day-by-day rain chances for Kearns in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Kearns?
- Current conditions for Kearns and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Kearns forecast updated?
- The Kearns forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Kearns?
- Today's sunrise and sunset times for Kearns are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Kearns?
- The next few days in Kearns's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The cold semi-arid climate of Kearns, Utah carries typical Januarys near 29°F and Julys around 81°F — 52°F of seasonal travel.
Rain and snow bring Kearns roughly 20 inches a year across approximately 147 measurable-precipitation days.
Kearns sits at 40.7°N; that 52°F seasonal swing frames planting windows and frost dates across Kearns.
ZIP codes in Kearns
- 84118