No Watches or Warnings for Startup
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Weather Conditions for Startup, Utah : Salt Lake County
Issued: 2:11 pm MDT Sep 2, 2026 Latitude: 40.6785582 Longitude: -111.8660459 View on Google Maps

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Tonight Thursday Friday Saturday Sunday Labor Day Tuesday Wednesday
Cloudy on Tonight Sunny on Thursday Sunny on Friday Sunny on Saturday 10% chance of thunderstorms on Sunday 20% chance of thunderstorms on Labor Day 20% chance of thunderstorms on Tuesday 10% chance of thunderstorms on Wednesday
Low: 61°F High: 84°F High: 86°F High: 86°F High: 82°F High: 77°F High: 77°F High: 80°F
Low: 64°F Low: 64°F Low: 65°F Low: 63°F Low: 59°F Low: 59°F  
Cloudy Sunny Sunny Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms
Current Conditions at
SALT LAKE CITY - (KSLC)
88°
Partly Cloudy
as of 11:54 AM MDST
Rel. Humidity: 33%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
18 MPH
160° South
Cloud Level(s): Scattered at 8000ft, Scattered at 20000ft
Current Conditions at
HILL AFB - (KHIF)
84°
Partly Cloudy
as of 12:15 PM MDST
Rel. Humidity: 25%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 23 MPH
240° Southwest
Cloud Level(s): Scattered at 8000ft
Current Conditions at
PROVO - (KPVU)
84°
Partly Cloudy
as of 11:56 AM MDST
Rel. Humidity: 37%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
13 MPH
220° Southwest
Cloud Level(s): Scattered at 8000ft
Current Conditions at
OGDEN - (KOGD)
88°
Clear
as of 11:53 AM MDST
Rel. Humidity: 20%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 23 MPH
210° Southwest
Cloud Level(s): Clear
Cloudy on Tonight Tonight... Partly cloudy, with a low around 61. South southeast wind 9 to 13 mph.

Sunny on Thursday Thursday... Sunny, with a high near 84. South wind 8 to 16 mph, with gusts as high as 31 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 64. South wind 11 to 15 mph, with gusts as high as 33 mph.

Sunny on Friday Friday... Sunny, with a high near 86. South wind 11 to 18 mph, with gusts as high as 33 mph.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 64. South southeast wind 9 to 17 mph, with gusts as high as 33 mph.

Sunny on Saturday Saturday... Sunny, with a high near 86.

10% chance of thunderstorms Saturday Night Saturday Night... A 10 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 65.

10% chance of thunderstorms Sunday Sunday... A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.

20% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

20% chance of thunderstorms Labor Day Labor Day... A chance of showers and thunderstorms. Partly sunny, with a high near 77.

20% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

20% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms. Partly sunny, with a high near 77.

10% chance of rain Tuesday Night Tuesday Night... A slight chance of showers. Partly cloudy, with a low around 59.

10% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.

Utah's Warnings, Watches, and AdvisoriesUtah's Watches, Warnings, and Advisories

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Sun Almanac for Startup, Utah
Astronomical Sunrise 19:33 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 20:07 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 20:39 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 21:07 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: 0 Hours 33 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 09:40 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 10:07 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 10:40 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 11:13 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 1 Hours 28 Minutes
Nautical Rise to Set: 2 Hours 33 Minutes
Astro Rise to Set: 3 Hours 40 Minutes

Click for yearly Sun Almanac for Startup
Moon Almanac for Startup, Utah
Moon Phase: Waxing Crescent
Moon Illumination: 8%
Moon Age: 2.68 Days
Moon is currently above the horizon
Distance from Moon to Earth: 243,549 miles
Upcoming Lunar Events for
Startup:
Next EventEvent TimeIllum

High Moon:05:22 pm Sun8.5%
Moonset:10:39 pm Sun9.8%
Moonrise:01:04 pm Mon13.8%
High Moon:06:08 pm Mon15.3%
Moonset:11:05 pm Mon16.8%
New Moon: Thu Sep 10
First Quarter: Fri Sep 18
Full Moon: Sat Sep 26
Last Quarter: Sat Oct 3
New Moon: Sat Oct 10
Click for Monthly Moon Almanac