Orem, Utah Weather
Pikas hayfeeding in granite peaks. Day 76 of spring. Read this microseason across nine climate regions →
Orem weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——89°58°—
- ThursdayJun 4Overcast——87°66°-2°
- FridayJun 5Clear——89°60°+2°
- SaturdayJun 6Overcast——89°66°0°
- SundayJun 7Overcast——84°61°-5°
- MondayJun 8Overcast——82°54°-2°
- TuesdayJun 9Overcast——85°61°+3°
Ozone at AQI 61 now. AQI flat over the last 6 hours (within ±3 points). With UV 9.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 74 by mid-afternoon.
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 61 now. With UV 9.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 74 by mid-afternoon.
- Present
- AQI 61
- UV peak
- 9.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 74
PM × Wind × Precip
PM2.5/PM10 ratio 0.46 with 6 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.46
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:22 AM
- Moonset
- 2:28 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Orem at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Warm-season window is open
As of June 3, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
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
July is Orem's warmest month, averaging about 79°F, and January is its coldest at roughly 33°F. Rain peaks in May at 2.0 inches and drops to 0.5 inches in July.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 33° | 1.9″ | 6 |
| February | 38° | 1.6″ | 5 |
| March | 47° | 1.6″ | 5 |
| April | 53° | 1.9″ | 6 |
| May | 62° | 2.0″ | 5 |
| June | 71° | 0.9″ | 2 |
| July | 79° | 0.5″ | 2 |
| August | 77° | 0.7″ | 2 |
| September | 68° | 1.2″ | 3 |
| October | 55° | 1.6″ | 4 |
| November | 42° | 1.4″ | 4 |
| December | 33° | 1.8″ | 5 |
Regional context
Orem belongs to a cold semi-arid climate region — a group of nearby cities that share similar temperature ranges, seasonal timing, and growing conditions.
Similar climates: Salt Lake City, UT, Provo, UT, Ogden, UT, West Valley City, UT, Logan, UT.
Naturalist notes
By late May, western tanagers arrive in Utah Valley's riparian corridors. Their breeding plumage stands out against the new leaf canopy.
Mars rises in the southeast before midnight in late spring, steadily brightening through the pre-dawn hours.
Frequently asked
- When does it freeze in Orem?
- Orem's final spring frost usually lands around mid-April, and the first fall frost follows around mid-November.
- What is the rainy season in Orem?
- May is the wettest month, averaging about 2.0 inches of rain. The city receives roughly 17 inches annually.
- What is the warmest month in Orem?
- July is typically the warmest month, averaging about 79°F.
- What is the coldest month in Orem?
- January is typically the coldest month, averaging about 33°F.
- When can I start a vegetable garden in Orem?
- Cool-season crops such as peas and lettuce can be sown around the last spring frost in mid-April. Warm-season crops like tomatoes and peppers wait until 1–2 weeks after that date.
- How many rainy days does Orem get?
- Orem averages about 49 rainy days per year.
- What hardiness zone is Orem?
- Orem's USDA hardiness zone reflects the lowest average winter temperature. Check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Orem, Utah lies in a cold semi-arid climate zone. January averages near 33°F while July averages 79°F — a 46°F seasonal swing.
The city receives about 17 inches of precipitation across roughly 49 rainy days each year.
Latitude (40.3°N), distance from large water bodies, and elevation set the year's rhythm. These three factors determine what grows, when frost is likely, and how daily weather unfolds.