Santaquin, Utah Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Santaquin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Clear——93°67°—
- SundayJul 5Overcast——98°72°+5°
- MondayJul 6Overcast——98°70°0°
- TuesdayJul 7Clear——98°70°0°
- WednesdayJul 8Clear——100°68°+2°
- ThursdayJul 9Clear——99°61°-1°
- FridayJul 10Clear——102°64°+3°
AQI 31 (Good), driven by Ozone. AQI down 22 over the last 6 hours — air quality is improving sharply. Ozone at AQI 42 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 42 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19 around 1 PM.
- Present
- AQI 42
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 7.1 µg/m³ (AQI 39) with a 0.66 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.66
- 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
- 11:23 PM
- Moonset
- 10:37 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Santaquin at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 84655
16-Day Forecast — Santaquin
- Sat93°67°0%
- Sun98°72°0%
- Mon98°70°5%
- Tue98°70°5%
- Wed100°68°1%
- Thu99°61°1%
- Fri102°64°1%
- Sat107°65°3%
- Sun103°71°7%
- Mon102°68°14%
- Tue102°68°14%
- Wed104°68°15%
- Thu104°65°20%
- Fri102°66°23%
- Sat102°69°16%
- Sun102°67°14%
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 — Santaquin
SPC includes Santaquin 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
In Santaquin, July runs warmest near 76°F and January coldest around 29°F, while April is the wettest month (2.2 inches) and July the driest (0.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 29° | 1.8″ | 5 |
| February | 33° | 1.6″ | 5 |
| March | 42° | 1.9″ | 5 |
| April | 48° | 2.2″ | 6 |
| May | 57° | 1.9″ | 4 |
| June | 67° | 0.9″ | 2 |
| July | 76° | 0.7″ | 2 |
| August | 75° | 0.8″ | 2 |
| September | 65° | 1.2″ | 3 |
| October | 51° | 1.8″ | 4 |
| November | 39° | 1.5″ | 4 |
| December | 29° | 1.9″ | 5 |
Regional context
Per NOAA NCEI 1991-2020 normals, Santaquin runs from a 29°F January mean to 76°F in July, a 48°F seasonal spread, with near 18.4 inches of precipitation across about 46 wet days.
Santaquin's moisture rides winter storm tracks: April brings 2.2 inches over 5.6 wet days, while July sees only 0.7 inches across 1.5 days in the dry warm season. That groups Santaquin with places like Spring Lake, UT, Rocky Ridge, UT and Genola, UT on the same cool-season storm track.
Santaquin reaches its last hard frost near mid-April; that is the cue for kale, peas, spinach, and parsnips. Tomatoes and peppers do best set out two weeks later in Santaquin, once nights clear the mid-40s°F. The season ends by mid-November in Santaquin, once hard frosts set back in. Santaquin's low ground holds frost later into spring than Santaquin's benches, which run 3-5 days ahead.
Similar climates: Spring Lake, UT, Rocky Ridge, UT, Genola, UT, Payson, UT, West Mountain, UT.
Frequently asked
- When does it freeze in Santaquin?
- Frost typically leaves Santaquin by mid-April and returns to Santaquin near mid-November.
- What is the rainy season in Santaquin?
- Rainfall in Santaquin peaks in April near 2.2 inches, out of about 18 inches annually.
- What is the warmest month in Santaquin?
- On average July tops the year in Santaquin at about 76°F.
- What is the coldest month in Santaquin?
- The coldest stretch in Santaquin falls in January, around 29°F on average.
- When can I start a vegetable garden in Santaquin?
- Around mid-April, start frost-hardy crops in Santaquin; tomatoes and basil belong a fortnight later.
- How many rainy days does Santaquin get?
- Santaquin averages about 46 days with measurable rain or snow each year.
- What hardiness zone is Santaquin?
- Since January in Santaquin averages 29°F, Santaquin's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Santaquin?
- Santaquin'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 Santaquin?
- See this week's day-by-day rain chances for Santaquin in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Santaquin?
- Current conditions for Santaquin and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Santaquin forecast updated?
- The Santaquin forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Santaquin?
- Today's sunrise and sunset times for Santaquin 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 Santaquin?
- The next few days in Santaquin's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a hot desert zone, Santaquin, Utah swings from 29°F in the heart of winter to 76°F at midsummer — a 47°F arc.
Across the year, Santaquin collects about 18 inches of precipitation over roughly 46 days with measurable rain or snow.
Santaquin sits at 40.0°N; that 47°F seasonal swing frames planting windows and frost dates across Santaquin.
ZIP codes in Santaquin
- 84655