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Now · 11:08 PM

Fallbrook Weather & Hourly Forecast

United States · California · 92028

Clear night
68°F
Clear night
Feels like: 73°F
💧 Humidity 89% 🌡 Pressure 29.91 inHg 💨 Wind 2 mph 👁 Visibility 15.7 mi ☁ Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:37 AM 🌇 Sunset 6:44 PM

Hourly Forecast for Fallbrook

Tomorrow
Clear night · 12:00 AM Clear night
68° 💧 None 💨 1 mph H 90%29.91 inHg
Fog at night · 3:00 AM Fog at night
65° 💧 None 💨 1 mph H 97%29.91 inHg
Partly cloudy night · 6:00 AM Partly cloudy night
64° 💧 None 💨 0 mph H 95%29.94 inHg
Mostly sunny · 9:00 AM Mostly sunny
72° 💧 0.000 in 💨 1 mph H 77%29.94 inHg
Sunny · 12:00 PM Sunny
88° 💧 None 💨 6 mph H 45%29.91 inHg
Sunny · 3:00 PM Sunny
91° 💧 None 💨 8 mph H 36%29.85 inHg
Sunny · 6:00 PM Sunny
82° 💧 None 💨 8 mph H 55%29.83 inHg
Partly cloudy night · 9:00 PM Partly cloudy night
72° 💧 None 💨 0 mph H 84%29.88 inHg
Saturday
Overcast night · 12:00 AM Overcast night
68° 💧 None 💨 0 mph H 97%29.88 inHg
Mostly cloudy night · 3:00 AM Mostly cloudy night
67° 💧 None 💨 1 mph H 91%29.85 inHg
Partly cloudy night · 6:00 AM Partly cloudy night
66° 💧 None 💨 1 mph H 81%29.88 inHg
Mostly cloudy · 9:00 AM Mostly cloudy
80° 💧 None 💨 3 mph H 41%29.88 inHg
Mostly cloudy · 12:00 PM Mostly cloudy
95° 💧 None 💨 5 mph H 21%29.85 inHg
Sunny · 3:00 PM Sunny
96° 💧 None 💨 10 mph H 20%29.80 inHg
Partly cloudy · 6:00 PM Partly cloudy
87° 💧 None 💨 7 mph H 36%29.83 inHg
Overcast night · 9:00 PM Overcast night
76° 💧 None 💨 3 mph H 62%29.85 inHg

In Fallbrook and, more broadly, across the state of California: Tonight, expect mostly cloudy skies with mild to warm temperatures ranging from 73 to 80 degrees Fahrenheit. Winds will be light, coming from the west at around 9 mph, with occasional gusts reaching up to 16 mph. No precipitation is forecast for the evening and the early night hours, so outdoor plans should be comfortable. Temperatures may gradually cool into the lower 70s later in the night, but overall, conditions will remain mild. The wind remains gentle, providing a slight breeze without causing concern. Overall, it should be a pleasant evening with no weather-related disruptions.

15-Day Weather Outlook for Fallbrook

TomorrowTomorrow Partly cloudy Partly cloudy 91°/64° 💧 None 💨 9 mph
Saturday, Sep 26Sat Sep 26 Overcast Overcast 97°/66° 💧 None 💨 10 mph
Sunday, Sep 27Sun Sep 27 Overcast Overcast 73°/70° 💧 None 💨 3 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Fallbrook

Vertical axis: °F · Color based on temperature
Clear night at 12:00 AM
68° Tomorrow 12:00 AM
Clear night at 1:00 AM
67° 1:00 AM
Partly cloudy night at 2:00 AM
66° 2:00 AM
Fog at night at 3:00 AM
65° 3:00 AM
Fog at night at 4:00 AM
65° Tomorrow 4:00 AM
Fog at night at 5:00 AM
64° 5:00 AM
Partly cloudy night at 6:00 AM
64° 6:00 AM
Fog at 7:00 AM
64° 7:00 AM
Fog at 8:00 AM
67° Tomorrow 8:00 AM
Mostly sunny at 9:00 AM
72° 9:00 AM
Sunny at 10:00 AM
79° 10:00 AM
Sunny at 11:00 AM
84° 11:00 AM
Sunny at 12:00 PM
88° Tomorrow 12:00 PM
Partly cloudy at 1:00 PM
90° 1:00 PM
Sunny at 2:00 PM
91° 2:00 PM
Sunny at 3:00 PM
91° 3:00 PM
Sunny at 4:00 PM
90° Tomorrow 4:00 PM
Sunny at 5:00 PM
87° 5:00 PM
Sunny at 6:00 PM
82° 6:00 PM
Mostly cloudy night at 7:00 PM
76° 7:00 PM
Overcast night at 8:00 PM
73° Tomorrow 8:00 PM
Partly cloudy night at 9:00 PM
72° 9:00 PM
Clear night at 10:00 PM
71° 10:00 PM
Overcast night at 11:00 PM
69° 11:00 PM
Overcast night at 12:00 AM
68° Saturday 12:00 AM
Mostly cloudy night at 1:00 AM
67° 1:00 AM
Mostly cloudy night at 2:00 AM
68° 2:00 AM
Mostly cloudy night at 3:00 AM
67° 3:00 AM
Mostly cloudy night at 4:00 AM
67° Saturday 4:00 AM
Mostly cloudy night at 5:00 AM
66° 5:00 AM
Partly cloudy night at 6:00 AM
66° 6:00 AM
Partly cloudy at 7:00 AM
66° 7:00 AM
Overcast at 8:00 AM
73° Saturday 8:00 AM
Mostly cloudy at 9:00 AM
80° 9:00 AM
Mostly cloudy at 10:00 AM
87° 10:00 AM
Mostly cloudy at 11:00 AM
92° 11:00 AM
Mostly cloudy at 12:00 PM
95° Saturday 12:00 PM
Sunny at 1:00 PM
96° 1:00 PM
Sunny at 2:00 PM
97° 2:00 PM
Sunny at 3:00 PM
96° 3:00 PM
Sunny at 4:00 PM
94° Saturday 4:00 PM
Mostly sunny at 5:00 PM
92° 5:00 PM
Partly cloudy at 6:00 PM
87° 6:00 PM
Overcast night at 7:00 PM
81° 7:00 PM
Overcast night at 8:00 PM
78° Saturday 8:00 PM
Overcast night at 9:00 PM
76° 9:00 PM
Overcast night at 10:00 PM
74° 10:00 PM
Mostly cloudy night at 11:00 PM
73° 11:00 PM
Overcast night at 12:00 AM
71° Sunday 12:00 AM
Overcast night at 1:00 AM
70° 1:00 AM
Light rain at 2:00 AM
72° 2:00 AM
Overcast night at 3:00 AM
73° 3:00 AM
Overcast night at 4:00 AM
73° Sunday 4:00 AM
Overcast night at 5:00 AM
72° 5:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Fallbrook

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 12:00 AM
PM2.5 Fine particles Fair 10,6µg/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 Fair 26,5µg/m³

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

O₃ Ozone Fair 89,6µg/m³

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

NO₂ Nitrogen dioxide Good 0,5µg/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 Fallbrook

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 4,9Moderate —Unavailable
Tomorrow UV 4,9Moderate 🙂Fair
Saturday UV 4,8Moderate 🙂Fair
Sunday UV 0,0Low 🙂Fair
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

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

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Fallbrook

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

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 12:00 AM–1:00 AM.

84/100Best-hour score
BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 8:05 PM–5:16 AM
☁ Cloud cover 0% Real hourly forecast for the best viewing hour.
☾ Moonlight 98% Full Moon · Moon about 51° above the horizon at the best viewing hour.
☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 33° 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.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 Fallbrook were last refreshed today at 11:08 PM. The current forecast period extends through 26/09/2026 at 9:00 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.