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Now · 5:19 PM

Nephi Weather & Hourly Forecast

United States · Utah · 84648

Sunny
83°F
Sunny
Feels like: 81°F
💧 Humidity 15% 🌡 Pressure 29.68 inHg 💨 Wind 15 mph 👁 Visibility 6.2 mi Clouds 1% ☀️ UV index 2.8 · Low 🌅 Sunrise 6:57 AM 🌇 Sunset 7:56 PM

Hourly Forecast for Nephi

Today
Sunny · 6:00 PM Sunny
83° 💧 None 💨 15 mph H 15%29.68 inHg
Clear night · 9:00 PM Clear night
77° 💧 None 💨 4 mph H 19%29.77 inHg
Tomorrow
Clear night · 12:00 AM Clear night
68° 💧 None 💨 4 mph H 21%29.83 inHg
Clear night · 3:00 AM Clear night
65° 💧 None 💨 5 mph H 23%29.83 inHg
Clear night · 6:00 AM Clear night
63° 💧 None 💨 6 mph H 28%29.85 inHg
Sunny · 9:00 AM Sunny
70° 💧 None 💨 9 mph H 33%29.88 inHg
Sunny · 12:00 PM Sunny
78° 💧 None 💨 13 mph H 20%29.83 inHg
Sunny · 3:00 PM Sunny
84° 💧 None 💨 12 mph H 18%29.74 inHg
Mostly sunny · 6:00 PM Mostly sunny
83° 💧 None 💨 16 mph H 20%29.74 inHg
Mostly cloudy night · 9:00 PM Mostly cloudy night
76° 💧 None 💨 5 mph H 28%29.83 inHg
Saturday
Partly cloudy night · 12:00 AM Partly cloudy night
71° 💧 None 💨 3 mph H 31%29.88 inHg
Clear night · 3:00 AM Clear night
68° 💧 None 💨 2 mph H 31%29.91 inHg
Clear night · 6:00 AM Clear night
63° 💧 None 💨 4 mph H 33%29.97 inHg
Sunny · 9:00 AM Sunny
70° 💧 None 💨 4 mph H 30%30.00 inHg
Sunny · 12:00 PM Sunny
79° 💧 None 💨 7 mph H 20%29.94 inHg
Partly cloudy · 3:00 PM Partly cloudy
84° 💧 None 💨 8 mph H 15%29.88 inHg

In Nephi and, more broadly, across the state of Utah: The late afternoon will feature clear skies with mild temperatures ranging from 64 to 66 degrees. Winds will be coming from the southwest at speeds up to 13 mph, with gusts reaching around 21 mph. As evening approaches, conditions will remain dry and calm, with no precipitation expected. Temperatures are likely to stay steady, providing a pleasant and comfortable evening. Winds may continue to be moderate, but no significant weather changes are anticipated overnight. Overall, this should be a clear and mild evening with gentle breezes.

15-Day Weather Outlook for Nephi

TomorrowTomorrow Sunny Sunny 85°/62° 💧 None 💨 16 mph
Saturday, Sep 5Sat Sep 5 Mostly sunny Mostly sunny 84°/58° 💧 None 💨 10 mph
Sunday, Sep 6Sun Sep 6 Light rain Light rain 75°/63° 💧 0.17 in 💨 11 mph
Monday, Sep 7Mon Sep 7 Light rain Light rain 80°/59° 💧 0.21 in 💨 21 mph
Tuesday, Sep 8Tue Sep 8 Sunny Sunny 81°/56° 💧 None 💨 8 mph
Wednesday, Sep 9Wed Sep 9 Light rain Light rain 86°/66° 💧 0.10 in 💨 15 mph
Thursday, Sep 10Thu Sep 10 Light rain Light rain 79°/64° 💧 0.04 in 💨 9 mph
Friday, Sep 11Fri Sep 11 Light rain Light rain 70°/61° 💧 0.17 in 💨 21 mph
Saturday, Sep 12Sat Sep 12 Moderate rain Moderate rain 70°/55° 💧 0.39 in 💨 13 mph
Sunday, Sep 13Sun Sep 13 Light rain Light rain 66°/54° 💧 0.11 in 💨 8 mph
Monday, Sep 14Mon Sep 14 Sunny Sunny 73°/50° 💧 None 💨 7 mph
Tuesday, Sep 15Tue Sep 15 Mostly cloudy Mostly cloudy 77°/56° 💧 None 💨 12 mph
Wednesday, Sep 16Wed Sep 16 Sunny Sunny 75°/55° 💧 None 💨 12 mph
Thursday, Sep 17Thu Sep 17 Sunny Sunny 80°/55° 💧 None 💨 12 mph
Friday, Sep 18Fri Sep 18 Sunny Sunny 83°/57° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Nephi

Vertical axis: °F · Color based on temperature
Sunny at 6:00 PM
83° Today 6:00 PM
Sunny at 7:00 PM
82° 7:00 PM
Clear night at 8:00 PM
80° 8:00 PM
Clear night at 9:00 PM
77° 9:00 PM
Clear night at 10:00 PM
72° Today 10:00 PM
Clear night at 11:00 PM
70° 11:00 PM
Clear night at 12:00 AM
68° 12:00 AM
Clear night at 1:00 AM
67° 1:00 AM
Clear night at 2:00 AM
66° Tomorrow 2:00 AM
Clear night at 3:00 AM
65° 3:00 AM
Clear night at 4:00 AM
64° 4:00 AM
Clear night at 5:00 AM
62° 5:00 AM
Clear night at 6:00 AM
63° Tomorrow 6:00 AM
Sunny at 7:00 AM
63° 7:00 AM
Sunny at 8:00 AM
66° 8:00 AM
Sunny at 9:00 AM
70° 9:00 AM
Sunny at 10:00 AM
73° Tomorrow 10:00 AM
Sunny at 11:00 AM
75° 11:00 AM
Sunny at 12:00 PM
78° 12:00 PM
Sunny at 1:00 PM
81° 1:00 PM
Sunny at 2:00 PM
83° Tomorrow 2:00 PM
Sunny at 3:00 PM
84° 3:00 PM
Sunny at 4:00 PM
85° 4:00 PM
Sunny at 5:00 PM
85° 5:00 PM
Mostly sunny at 6:00 PM
83° Tomorrow 6:00 PM
Overcast at 7:00 PM
81° 7:00 PM
Overcast night at 8:00 PM
78° 8:00 PM
Mostly cloudy night at 9:00 PM
76° 9:00 PM
Mostly cloudy night at 10:00 PM
74° Tomorrow 10:00 PM
Mostly cloudy night at 11:00 PM
72° 11:00 PM
Partly cloudy night at 12:00 AM
71° 12:00 AM
Clear night at 1:00 AM
70° 1:00 AM
Clear night at 2:00 AM
69° Saturday 2:00 AM
Clear night at 3:00 AM
68° 3:00 AM
Clear night at 4:00 AM
66° 4:00 AM
Clear night at 5:00 AM
64° 5:00 AM
Clear night at 6:00 AM
63° Saturday 6:00 AM
Sunny at 7:00 AM
58° 7:00 AM
Sunny at 8:00 AM
63° 8:00 AM
Sunny at 9:00 AM
70° 9:00 AM
Sunny at 10:00 AM
74° Saturday 10:00 AM
Sunny at 11:00 AM
76° 11:00 AM
Sunny at 12:00 PM
79° 12:00 PM
Mostly sunny at 1:00 PM
81° 1:00 PM
Mostly sunny at 2:00 PM
83° Saturday 2:00 PM
Partly cloudy at 3:00 PM
84° 3:00 PM
Partly cloudy at 4:00 PM
84° 4:00 PM
Partly cloudy at 5:00 PM
84° 5:00 PM
Partly cloudy at 6:00 PM
83° Saturday 6:00 PM
Sunny at 7:00 PM
80° 7:00 PM
Clear night at 8:00 PM
70° 8:00 PM
Clear night at 9:00 PM
66° 9:00 PM
Clear night at 10:00 PM
66° Saturday 10:00 PM
Clear night at 11:00 PM
65° 11:00 PM
Clear night at 12:00 AM
65° 12:00 AM
Overcast night at 1:00 AM
65° 1:00 AM
Mostly cloudy night at 2:00 AM
64° Sunday 2:00 AM
Mostly cloudy night at 3:00 AM
64° 3:00 AM
Mostly cloudy night at 4:00 AM
64° 4:00 AM
Mostly cloudy night at 5:00 AM
65° 5:00 AM
Light rain at 6:00 AM
65° Sunday 6:00 AM
Overcast night at 7:00 AM
64° 7:00 AM
Overcast at 8:00 AM
65° 8:00 AM
Mostly cloudy at 9:00 AM
70° 9:00 AM
Mostly cloudy at 10:00 AM
74° Sunday 10:00 AM
Light rain at 11:00 AM
73° 11:00 AM
Light rain at 12:00 PM
70° 12:00 PM
Light rain at 1:00 PM
66° 1:00 PM
Light rain at 2:00 PM
75° Sunday 2:00 PM
Light rain at 3:00 PM
73° 3:00 PM
Light rain at 4:00 PM
73° 4:00 PM
Light rain at 5:00 PM
72° 5:00 PM
Light rain at 6:00 PM
72° Sunday 6:00 PM
Light rain at 7:00 PM
70° 7:00 PM
Moderate rain at 8:00 PM
62° 8:00 PM
Light rain at 9:00 PM
63° 9:00 PM
Light rain at 10:00 PM
62° Sunday 10:00 PM
Light rain at 11:00 PM
62° 11:00 PM
Light rain at 12:00 AM
62° 12:00 AM
Light rain at 1:00 AM
60° 1:00 AM
Light rain at 2:00 AM
60° Monday 2:00 AM
Light rain at 3:00 AM
60° 3:00 AM
Light rain at 4:00 AM
60° 4:00 AM
Light rain at 5:00 AM
59° 5:00 AM
Light rain at 6:00 AM
59° Monday 6:00 AM
Light rain at 7:00 AM
59° 7:00 AM
Light rain at 8:00 AM
60° 8:00 AM
Light rain at 9:00 AM
66° 9:00 AM
Light rain at 10:00 AM
70° Monday 10:00 AM
Sunny at 11:00 AM
73° 11:00 AM
Sunny at 12:00 PM
76° 12:00 PM
Sunny at 1:00 PM
78° 1:00 PM
Mostly sunny at 2:00 PM
79° Monday 2:00 PM
Mostly sunny at 3:00 PM
80° 3:00 PM
Mostly sunny at 4:00 PM
80° 4:00 PM
Mostly sunny at 5:00 PM
80° 5:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Nephi

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 6:00 PM
PM2.5 Fine particles Good 1,7µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 90,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Nephi

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 8,7Very high 🙂Fair
Tomorrow UV 8,4Very high 🙂Fair
Saturday UV 8,7Very high 🙂Fair
Sunday UV 6,5High 🙂Fair
Monday UV 6,0High 🙂Fair
Tuesday UV 6,0High Unavailable
Wednesday UV 6,0High Unavailable
Hourly UV index today
6:00 PMUV 1,1 7:00 PMUV 0,3
Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. Dry air can increase hydration needs.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Nephi

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 6:00 PM 7:00 PM 8:00 PM 9:00 PM Today 10:00 PM 11:00 PM 12:00 AM 1:00 AM Tomorrow 2:00 AM 3:00 AM 4:00 AM 5:00 AM Tomorrow 6:00 AM 7:00 AM 8:00 AM 9:00 AM Tomorrow 10:00 AM 11:00 AM 12:00 PM 1:00 PM Tomorrow 2:00 PM 3:00 PM 4:00 PM 5:00 PM Tomorrow 6:00 PM 7:00 PM 8:00 PM 9:00 PM Tomorrow 10:00 PM 11:00 PM 12:00 AM 1:00 AM Saturday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Saturday 6:00 AM 7:00 AM 8:00 AM 9:00 AM Saturday 10:00 AM 11:00 AM 12:00 PM 1:00 PM Saturday 2:00 PM 3:00 PM 4:00 PM 5:00 PM Saturday 6:00 PM 7:00 PM 8:00 PM 9:00 PM Saturday 10:00 PM 11:00 PM 12:00 AM 1:00 AM Sunday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Sunday 6:00 AM 7:00 AM 8:00 AM 9:00 AM Sunday 10:00 AM 11:00 AM 12:00 PM 1:00 PM Sunday 2:00 PM 3:00 PM 4:00 PM 5:00 PM Sunday 6:00 PM 7:00 PM 8:00 PM 9:00 PM Sunday 10:00 PM 11:00 PM 12:00 AM 1:00 AM Monday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Monday 6:00 AM 7:00 AM 8:00 AM 9:00 AM Monday 10:00 AM 11:00 AM 12:00 PM 1:00 PM Monday 2:00 PM 3:00 PM 4:00 PM 5:00 PM
Sustained wind Max gusts
Internal PR simulation: 3.90 Population: 6,885

Forecast data for Nephi were last refreshed today at 5:19 PM. The current forecast period extends through 05/09/2026 at 3:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.