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Now · 1:37 PM

Montebello Weather & Hourly Forecast

United States · California · 90640

Sunny
91°F
Sunny
Feels like: 86°F
💧 Humidity 20% 🌡 Pressure 29.88 inHg 💨 Wind 6 mph 👁 Visibility 26.6 mi Clouds 0% ☀️ UV index 9.3 · Very high 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Montebello

Today
Sunny · 2:00 PM Sunny
91° 💧 None 💨 6 mph H 20%29.88 inHg
Sunny · 5:00 PM Sunny
89° 💧 None 💨 6 mph H 22%29.85 inHg
Clear night · 8:00 PM Clear night
79° 💧 None 💨 5 mph H 43%29.88 inHg
Clear night · 11:00 PM Clear night
76° 💧 None 💨 3 mph H 55%29.91 inHg
Tomorrow
Mostly cloudy night · 2:00 AM Mostly cloudy night
73° 💧 None 💨 1 mph H 63%29.88 inHg
Overcast night · 5:00 AM Overcast night
74° 💧 0.038 in 💨 4 mph H 55%29.91 inHg
Overcast · 8:00 AM Overcast
72° 💧 0.042 in 💨 1 mph H 68%29.94 inHg
Light rain · 11:00 AM Light rain
73° 💧 0.073 in 💨 3 mph H 74%29.94 inHg
Light rain · 2:00 PM Light rain
77° 💧 0.029 in 💨 3 mph H 72%29.91 inHg
Mostly cloudy · 5:00 PM Mostly cloudy
77° 💧 0.012 in 💨 1 mph H 73%29.85 inHg
Light rain · 8:00 PM Light rain
74° 💧 0.096 in 💨 4 mph H 85%29.85 inHg
Light rain · 11:00 PM Light rain
72° 💧 0.020 in 💨 0 mph H 97%29.88 inHg
Monday
Mist at night · 2:00 AM Mist at night
70° 💧 None 💨 0 mph H 99%29.88 inHg
Mist at night · 5:00 AM Mist at night
70° 💧 None 💨 1 mph H 99%29.85 inHg
Mist · 8:00 AM Mist
72° 💧 None 💨 1 mph H 96%29.88 inHg
Sunny · 11:00 AM Sunny
84° 💧 None 💨 2 mph H 61%29.91 inHg

In Montebello and, more broadly, across the state of California: Clear skies will persist into the afternoon, with temperatures ranging from 71 to 84 degrees Fahrenheit. Expect generally mild to warm conditions, making for a pleasant day outdoors. Winds will come from the northwest at around 14 mph, with gusts reaching up to 31 mph, so light breezes may be noticeable at times. No precipitation is anticipated, so dry weather will continue. Overall, it looks like a comfortable day with plenty of sunshine and moderate wind, ideal for outdoor activities.

15-Day Weather Outlook for Montebello

TomorrowTomorrow Mostly sunny Mostly sunny 89°/71° 💧 None 💨 6 mph
Monday, Sep 7Mon Sep 7 Mostly cloudy Mostly cloudy 90°/70° 💧 None 💨 7 mph
Tuesday, Sep 8Tue Sep 8 Mostly sunny Mostly sunny 93°/68° 💧 0.345 in 💨 7 mph
Wednesday, Sep 9Wed Sep 9 Partly cloudy Partly cloudy 102°/75° 💧 0.004 in 💨 8 mph
Thursday, Sep 10Thu Sep 10 Mostly sunny Mostly sunny 99°/75° 💧 None 💨 9 mph
Friday, Sep 11Fri Sep 11 Sunny Sunny 95°/72° 💧 None 💨 7 mph
Saturday, Sep 12Sat Sep 12 Overcast Overcast 90°/69° 💧 0.001 in 💨 7 mph
Sunday, Sep 13Sun Sep 13 Mostly sunny Mostly sunny 86°/67° 💧 None 💨 7 mph
Monday, Sep 14Mon Sep 14 Mostly sunny Mostly sunny 89°/68° 💧 None 💨 7 mph
Tuesday, Sep 15Tue Sep 15 Sunny Sunny 88°/68° 💧 None 💨 7 mph
Wednesday, Sep 16Wed Sep 16 Sunny Sunny 89°/69° 💧 None 💨 7 mph
Thursday, Sep 17Thu Sep 17 Mostly sunny Mostly sunny 90°/71° 💧 None 💨 8 mph
Friday, Sep 18Fri Sep 18 Sunny Sunny 92°/72° 💧 None 💨 8 mph
Saturday, Sep 19Sat Sep 19 Sunny Sunny 93°/71° 💧 None 💨 7 mph
Sunday, Sep 20Sun Sep 20 Partly cloudy Partly cloudy 93°/71° 💧 None 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Montebello

Vertical axis: °F · Color based on temperature
Sunny at 2:00 PM
91° Today 2:00 PM
Sunny at 3:00 PM
91° 3:00 PM
Sunny at 4:00 PM
91° 4:00 PM
Sunny at 5:00 PM
89° 5:00 PM
Sunny at 6:00 PM
86° Today 6:00 PM
Sunny at 7:00 PM
82° 7:00 PM
Clear night at 8:00 PM
79° 8:00 PM
Clear night at 9:00 PM
77° 9:00 PM
Clear night at 10:00 PM
76° Today 10:00 PM
Clear night at 11:00 PM
76° 11:00 PM
Clear night at 12:00 AM
75° 12:00 AM
Mostly clear night at 1:00 AM
74° 1:00 AM
Mostly cloudy night at 2:00 AM
73° Tomorrow 2:00 AM
Overcast night at 3:00 AM
73° 3:00 AM
Overcast night at 4:00 AM
74° 4:00 AM
Overcast night at 5:00 AM
74° 5:00 AM
Light rain at 6:00 AM
72° Tomorrow 6:00 AM
Light rain at 7:00 AM
71° 7:00 AM
Overcast at 8:00 AM
72° 8:00 AM
Overcast at 9:00 AM
73° 9:00 AM
Light rain at 10:00 AM
73° Tomorrow 10:00 AM
Light rain at 11:00 AM
73° 11:00 AM
Light rain at 12:00 PM
74° 12:00 PM
Light rain at 1:00 PM
76° 1:00 PM
Light rain at 2:00 PM
77° Tomorrow 2:00 PM
Light rain at 3:00 PM
77° 3:00 PM
Light rain at 4:00 PM
77° 4:00 PM
Mostly cloudy at 5:00 PM
77° 5:00 PM
Mostly cloudy at 6:00 PM
78° Tomorrow 6:00 PM
Light rain at 7:00 PM
76° 7:00 PM
Light rain at 8:00 PM
74° 8:00 PM
Light rain at 9:00 PM
73° 9:00 PM
Light rain at 10:00 PM
72° Tomorrow 10:00 PM
Light rain at 11:00 PM
72° 11:00 PM
Clear night at 12:00 AM
71° 12:00 AM
Mostly clear night at 1:00 AM
71° 1:00 AM
Mist at night at 2:00 AM
70° Monday 2:00 AM
Mist at night at 3:00 AM
70° 3:00 AM
Mist at night at 4:00 AM
70° 4:00 AM
Mist at night at 5:00 AM
70° 5:00 AM
Mist at night at 6:00 AM
70° Monday 6:00 AM
Fog at 7:00 AM
70° 7:00 AM
Mist at 8:00 AM
72° 8:00 AM
Sunny at 9:00 AM
76° 9:00 AM
Sunny at 10:00 AM
80° Monday 10:00 AM
Sunny at 11:00 AM
84° 11:00 AM
Sunny at 12:00 PM
87° 12:00 PM
Sunny at 1:00 PM
88° 1:00 PM
Sunny at 2:00 PM
90° Monday 2:00 PM
Sunny at 3:00 PM
90° 3:00 PM
Sunny at 4:00 PM
89° 4:00 PM
Sunny at 5:00 PM
86° 5:00 PM
Sunny at 6:00 PM
82° Monday 6:00 PM
Mostly sunny at 7:00 PM
79° 7:00 PM
Mostly clear night at 8:00 PM
76° 8:00 PM
Partly cloudy night at 9:00 PM
75° 9:00 PM
Mostly clear night at 10:00 PM
74° Monday 10:00 PM
Clear night at 11:00 PM
73° 11:00 PM
Clear night at 12:00 AM
72° 12:00 AM
Partly cloudy night at 1:00 AM
72° 1:00 AM
Mostly cloudy night at 2:00 AM
71° Tuesday 2:00 AM
Overcast night at 3:00 AM
70° 3:00 AM
Partly cloudy night at 4:00 AM
69° 4:00 AM
Overcast night at 5:00 AM
68° 5:00 AM
Partly cloudy at 8:00 AM
73° Tuesday 8:00 AM
Partly cloudy at 11:00 AM
86° 11:00 AM
Mostly sunny at 2:00 PM
93° 2:00 PM
Partly cloudy at 5:00 PM
91° 5:00 PM
Clear night at 8:00 PM
81° Tuesday 8:00 PM
Mostly clear night at 11:00 PM
77° 11:00 PM
Mostly cloudy night at 2:00 AM
75° 2:00 AM
Mostly clear night at 5:00 AM
75° 5:00 AM
Sunny at 8:00 AM
78° Wednesday 8:00 AM
Sunny at 11:00 AM
95° 11:00 AM
Sunny at 2:00 PM
102° 2:00 PM
Sunny at 5:00 PM
97° 5:00 PM
Clear night at 8:00 PM
88° Wednesday 8:00 PM
Clear night at 11:00 PM
83° 11:00 PM
Mostly clear night at 2:00 AM
78° 2:00 AM
Mostly clear night at 5:00 AM
75° 5:00 AM
Sunny at 8:00 AM
77° Thursday 8:00 AM
Sunny at 11:00 AM
92° 11:00 AM
Sunny at 2:00 PM
99° 2:00 PM
Sunny at 5:00 PM
95° 5:00 PM
Clear night at 8:00 PM
84° Thursday 8:00 PM
Clear night at 11:00 PM
79° 11:00 PM
Clear night at 2:00 AM
74° 2:00 AM
Clear night at 5:00 AM
72° 5:00 AM
Sunny at 11:00 AM
88° Friday 11:00 AM
Sunny at 5:00 PM
90° 5:00 PM
Clear night at 11:00 PM
74° 11:00 PM
Overcast night at 5:00 AM
69° 5:00 AM
Mostly sunny at 11:00 AM
81° Saturday 11:00 AM
Mostly sunny at 5:00 PM
86° 5:00 PM
Mostly clear night at 11:00 PM
74° 11:00 PM
Clear night at 5:00 AM
67° 5:00 AM
Sunny at 11:00 AM
83° Sunday 11:00 AM
Mostly sunny at 5:00 PM
89° 5:00 PM
Mostly clear night at 11:00 PM
76° 11:00 PM
Clear night at 5:00 AM
68° 5:00 AM
Sunny at 11:00 AM
84° Monday 11:00 AM
Sunny at 5:00 PM
88° 5:00 PM
Clear night at 11:00 PM
73° 11:00 PM
Clear night at 5:00 AM
68° 5:00 AM
Sunny at 11:00 AM
82° Tuesday 11:00 AM
Sunny at 5:00 PM
89° 5:00 PM
Clear night at 11:00 PM
74° 11:00 PM
Clear night at 5:00 AM
69° 5:00 AM
Sunny at 11:00 AM
85° Wednesday 11:00 AM
Sunny at 5:00 PM
90° 5:00 PM
Mostly clear night at 11:00 PM
74° 11:00 PM
Mostly clear night at 5:00 AM
71° 5:00 AM
Overcast at 11:00 AM
87° Thursday 11:00 AM
Sunny at 5:00 PM
92° 5:00 PM
Clear night at 11:00 PM
78° 11:00 PM
Clear night at 5:00 AM
72° 5:00 AM
Sunny at 11:00 AM
91° Friday 11:00 AM
Sunny at 5:00 PM
93° 5:00 PM
Clear night at 11:00 PM
78° 11:00 PM
Clear night at 5:00 AM
71° 5:00 AM
Sunny at 11:00 AM
89° Saturday 11:00 AM
Sunny at 5:00 PM
93° 5:00 PM
Clear night at 11:00 PM
77° 11:00 PM
Partly cloudy night at 5:00 AM
71° 5:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Montebello

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 2:00 PM
PM2.5 Fine particles Good 3,7µg/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 8,8µg/m³

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

O₃ Ozone Fair 79,6µg/m³

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

NO₂ Nitrogen dioxide Good 0,2µg/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 Montebello

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 9,3Very high 🙂Fair
Tomorrow UV 3,8Moderate 🙂Fair
Monday UV 9,3Very high 🙂Fair
Tuesday UV 9,5Very high 😐Moderate
Wednesday UV 9,2Very high 🙂Fair
Thursday UV 9,0Very high Unavailable
Friday UV 8,0Very high Unavailable
Hourly UV index today
2:00 PMUV 8,4 3:00 PMUV 6,4 4:00 PMUV 3,9 5:00 PMUV 1,7 6:00 PMUV 0,5 7:00 PMUV 0,0
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.

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day. 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 Montebello

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 2:00 PM 3:00 PM 4:00 PM 5:00 PM 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 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 Monday 6:00 PM 7:00 PM 8:00 PM 9:00 PM Monday 10:00 PM 11:00 PM 12:00 AM 1:00 AM Tuesday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Tuesday 8:00 AM 11:00 AM 2:00 PM 5:00 PM Tuesday 8:00 PM 11:00 PM 2:00 AM 5:00 AM Wednesday 8:00 AM 11:00 AM 2:00 PM 5:00 PM Wednesday 8:00 PM 11:00 PM 2:00 AM 5:00 AM Thursday 8:00 AM 11:00 AM 2:00 PM 5:00 PM Thursday 8:00 PM 11:00 PM 2:00 AM 5:00 AM Friday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Saturday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Sunday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Monday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Tuesday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Wednesday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Thursday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Friday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Saturday 11:00 AM 5:00 PM 11:00 PM 5:00 AM
Sustained wind Max gusts
NIGHT SKY · MONTEBELLO, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 10:00 PM–11:00 PM.

99/100Best-hour score
BEST TIME TONIGHT 10:00 PM–11:00 PM Astronomical darkness: 8:38 PM–5:04 AM
Cloud cover 1% Real hourly forecast for the best viewing hour.
Moonlight 32% Last Quarter · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 11° high at the best hour.
Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min27%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
AUG 28–SEP 5
AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak
ACTIVE NOW
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Montebello were last refreshed today at 1:37 PM. The current forecast period extends through 07/09/2026 at 11:00 AM. 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.