Marriott-Slaterville, Utah Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Marriott-Slaterville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——92°59°—
- SundayJul 5Overcast——95°62°+3°
- MondayJul 6Overcast——99°70°+4°
- TuesdayJul 7Overcast——99°71°0°
- WednesdayJul 8Overcast——100°68°+1°
- ThursdayJul 9Mostly Clear——96°64°-4°
- FridayJul 10Clear——100°65°+4°
AQI 35 (Good), driven by PM2.5. AQI down 13 over the last 6 hours (gradual decline). PM2.5 at 6.6 µg/m³ (AQI 37) with a 0.85 fine-to-coarse ratio and 3 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 6.6 µg/m³ (AQI 37) with a 0.85 fine-to-coarse ratio and 3 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
- 11:26 PM
- Moonset
- 10:37 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Marriott-Slaterville at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Marriott-Slaterville
- Sat91°59°0%
- Sun95°62°0%
- Mon99°70°4%
- Tue99°71°8%
- Wed100°68°3%
- Thu96°64°0%
- Fri100°65°0%
- Sat108°69°2%
- Sun107°74°3%
- Mon103°72°5%
- Tue102°71°5%
- Wed105°72°11%
- Thu105°70°11%
- Fri104°72°14%
- Sat103°73°11%
- Sun104°71°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 — Marriott-Slaterville
SPC includes Marriott-Slaterville 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
Marriott-Slaterville peaks at about 79°F in July and bottoms near 26°F in December; March brings the heaviest rain (2.5 inches) and June the least (0.6 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 26° | 2.1″ | 16 |
| February | 30° | 2.0″ | 13 |
| March | 36° | 2.5″ | 16 |
| April | 45° | 2.4″ | 17 |
| May | 57° | 2.1″ | 14 |
| June | 68° | 0.6″ | 6 |
| July | 79° | 0.6″ | 5 |
| August | 77° | 0.7″ | 5 |
| September | 66° | 1.1″ | 6 |
| October | 51° | 1.5″ | 8 |
| November | 36° | 2.2″ | 14 |
| December | 26° | 2.4″ | 18 |
Frequently asked
- When does it freeze in Marriott-Slaterville?
- In Marriott-Slaterville, expect the last spring frost near mid-April; Marriott-Slaterville's first autumn frost comes around mid-November.
- What is the rainy season in Marriott-Slaterville?
- Marriott-Slaterville sees its heaviest rain in March (around 2.5 inches), part of roughly 20 inches a year.
- What is the warmest month in Marriott-Slaterville?
- Marriott-Slaterville peaks in July, when the mean runs near 79°F.
- What is the coldest month in Marriott-Slaterville?
- December is Marriott-Slaterville's coldest month, averaging about 26°F.
- When can I start a vegetable garden in Marriott-Slaterville?
- In Marriott-Slaterville, sow peas and hardy greens around mid-April; Marriott-Slaterville's tomatoes and peppers wait two weeks more.
- How many rainy days does Marriott-Slaterville get?
- Expect roughly 139 wet days a year in Marriott-Slaterville.
- What hardiness zone is Marriott-Slaterville?
- With December around 26°F, Marriott-Slaterville's zone reflects that minimum — the USDA ZIP map confirms Marriott-Slaterville's band.
- What is the 10-day forecast for Marriott-Slaterville?
- Marriott-Slaterville'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 Marriott-Slaterville?
- See this week's day-by-day rain chances for Marriott-Slaterville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Marriott-Slaterville?
- Current conditions for Marriott-Slaterville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Marriott-Slaterville forecast updated?
- The Marriott-Slaterville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Marriott-Slaterville?
- Today's sunrise and sunset times for Marriott-Slaterville 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 Marriott-Slaterville?
- The next few days in Marriott-Slaterville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a cold semi-arid zone, Marriott-Slaterville, Utah swings from 26°F in the heart of winter to 79°F at midsummer — a 53°F arc.
Rain and snow bring Marriott-Slaterville roughly 20 inches a year across approximately 139 measurable-precipitation days.
Marriott-Slaterville's 53°F range, set by its 41.3°N position, drives frost timing and what thrives in Marriott-Slaterville.
ZIP codes in Marriott-Slaterville
- 84404
- 84201