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Now · 1:36 PM

Topanga Weather & Hourly Forecast

United States · California · 90290

Mostly cloudy
94°F
Mostly cloudy
Feels like: 98°F
💧 Humidity 43% 🌡 Pressure 29.85 inHg 💨 Wind 7 mph 👁 Visibility 1.7 mi Clouds 81% ☀️ UV index 8.0 · Very high 🌅 Sunrise 6:25 AM 🌇 Sunset 7:26 PM

Hourly Forecast for Topanga

Today
Mostly cloudy · 2:00 PM Mostly cloudy
94° 💧 None 💨 7 mph H 43%29.85 inHg
Mostly cloudy · 5:00 PM Mostly cloudy
92° 💧 None 💨 10 mph H 40%29.83 inHg
Clear night · 8:00 PM Clear night
80° 💧 None 💨 6 mph H 44%29.83 inHg
Clear night · 11:00 PM Clear night
75° 💧 None 💨 4 mph H 57%29.83 inHg
Tomorrow
Mostly cloudy night · 2:00 AM Mostly cloudy night
72° 💧 None 💨 3 mph H 69%29.85 inHg
Mostly cloudy night · 5:00 AM Mostly cloudy night
71° 💧 None 💨 3 mph H 69%29.85 inHg
Partly cloudy · 8:00 AM Partly cloudy
77° 💧 None 💨 3 mph H 61%29.88 inHg
Partly cloudy · 11:00 AM Partly cloudy
88° 💧 None 💨 6 mph H 45%29.88 inHg
Partly cloudy · 2:00 PM Partly cloudy
89° 💧 None 💨 8 mph H 42%29.83 inHg
Mostly cloudy · 5:00 PM Mostly cloudy
87° 💧 None 💨 7 mph H 39%29.80 inHg
Clear night · 8:00 PM Clear night
76° 💧 None 💨 5 mph H 53%29.80 inHg
Clear night · 11:00 PM Clear night
71° 💧 None 💨 2 mph H 56%29.83 inHg
Sunday
Clear night · 2:00 AM Clear night
68° 💧 None 💨 4 mph H 63%29.83 inHg
Mostly clear night · 5:00 AM Mostly clear night
66° 💧 None 💨 4 mph H 68%29.83 inHg
Sunny · 8:00 AM Sunny
73° 💧 None 💨 5 mph H 62%29.88 inHg
Sunny · 11:00 AM Sunny
79° 💧 None 💨 7 mph H 48%29.85 inHg

In Topanga and, more broadly, across the state of California: Expect mostly cloudy skies through the afternoon with mild to warm temperatures ranging from 74 to 83 degrees Fahrenheit. Winds will be moderate from the northwest, reaching up to 16 mph with gusts up to 23 mph. No precipitation is expected today, so outdoor plans should stay dry. The weather remains stable, with the cloud cover providing a gentle break from full sunshine. Throughout the rest of the day, temperatures will gradually stay within the mild to warm range, making for comfortable conditions. Be mindful of the gusty northwest winds, especially if you're outdoors or planning to be on the water. Overall, it will be a largely dry day with moderate breezes and temperatures that feel quite pleasant for this time of year.

15-Day Weather Outlook for Topanga

TomorrowTomorrow Mostly cloudy Mostly cloudy 89°/71° 💧 None 💨 9 mph
Sunday, Aug 30Sun Aug 30 Sunny Sunny 82°/66° 💧 None 💨 8 mph
Monday, Aug 31Mon Aug 31 Sunny Sunny 78°/65° 💧 None 💨 8 mph
Tuesday, Sep 1Tue Sep 1 Sunny Sunny 80°/64° 💧 None 💨 8 mph
Wednesday, Sep 2Wed Sep 2 Sunny Sunny 83°/68° 💧 None 💨 9 mph
Thursday, Sep 3Thu Sep 3 Overcast Overcast 79°/68° 💧 None 💨 8 mph
Friday, Sep 4Fri Sep 4 Overcast Overcast 73°/66° 💧 None 💨 7 mph
Saturday, Sep 5Sat Sep 5 Overcast Overcast 81°/70° 💧 None 💨 9 mph
Sunday, Sep 6Sun Sep 6 Overcast Overcast 81°/69° 💧 None 💨 8 mph
Monday, Sep 7Mon Sep 7 Moderate rain Moderate rain 71°/59° 💧 0.14 in 💨 5 mph
Tuesday, Sep 8Tue Sep 8 Sunny Sunny 70°/57° 💧 None 💨 10 mph
Wednesday, Sep 9Wed Sep 9 Sunny Sunny 75°/61° 💧 None 💨 8 mph
Thursday, Sep 10Thu Sep 10 Sunny Sunny 80°/64° 💧 None 💨 8 mph
Friday, Sep 11Fri Sep 11 Sunny Sunny 82°/67° 💧 None 💨 8 mph
Saturday, Sep 12Sat Sep 12 Sunny Sunny 79°/66° 💧 None 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Topanga

Vertical axis: °F · Color based on temperature
Mostly cloudy at 2:00 PM
94° Today 2:00 PM
Mostly cloudy at 3:00 PM
94° 3:00 PM
Mostly cloudy at 4:00 PM
93° 4:00 PM
Mostly cloudy at 5:00 PM
92° 5:00 PM
Mostly sunny at 6:00 PM
88° 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
78° 9:00 PM
Clear night at 10:00 PM
77° Today 10:00 PM
Clear night at 11:00 PM
75° 11:00 PM
Partly cloudy night at 12:00 AM
75° 12:00 AM
Mostly cloudy night at 1:00 AM
74° 1:00 AM
Mostly cloudy night at 2:00 AM
72° Tomorrow 2:00 AM
Mostly cloudy night at 3:00 AM
72° 3:00 AM
Mostly cloudy night at 4:00 AM
71° 4:00 AM
Mostly cloudy night at 5:00 AM
71° 5:00 AM
Clear night at 6:00 AM
72° Tomorrow 6:00 AM
Partly cloudy at 7:00 AM
73° 7:00 AM
Partly cloudy at 8:00 AM
77° 8:00 AM
Partly cloudy at 9:00 AM
82° 9:00 AM
Partly cloudy at 10:00 AM
86° Tomorrow 10:00 AM
Partly cloudy at 11:00 AM
88° 11:00 AM
Mostly cloudy at 12:00 PM
89° 12:00 PM
Partly cloudy at 1:00 PM
89° 1:00 PM
Partly cloudy at 2:00 PM
89° Tomorrow 2:00 PM
Partly cloudy at 3:00 PM
89° 3:00 PM
Partly cloudy at 4:00 PM
89° 4:00 PM
Mostly cloudy at 5:00 PM
87° 5:00 PM
Sunny at 6:00 PM
82° Tomorrow 6:00 PM
Sunny at 7:00 PM
78° 7:00 PM
Clear night at 8:00 PM
76° 8:00 PM
Clear night at 9:00 PM
73° 9:00 PM
Clear night at 10:00 PM
72° Tomorrow 10:00 PM
Clear night at 11:00 PM
71° 11:00 PM
Clear night at 12:00 AM
70° 12:00 AM
Clear night at 1:00 AM
69° 1:00 AM
Clear night at 2:00 AM
68° Sunday 2:00 AM
Clear night at 3:00 AM
66° 3:00 AM
Mostly clear night at 4:00 AM
66° 4:00 AM
Mostly clear night at 5:00 AM
66° 5:00 AM
Clear night at 6:00 AM
70° Sunday 6:00 AM
Sunny at 7:00 AM
70° 7:00 AM
Sunny at 8:00 AM
73° 8:00 AM
Sunny at 9:00 AM
76° 9:00 AM
Sunny at 10:00 AM
78° Sunday 10:00 AM
Sunny at 11:00 AM
79° 11:00 AM
Sunny at 12:00 PM
81° 12:00 PM
Sunny at 1:00 PM
82° 1:00 PM
Sunny at 2:00 PM
82° Sunday 2:00 PM
Sunny at 3:00 PM
81° 3:00 PM
Sunny at 4:00 PM
80° 4:00 PM
Sunny at 5:00 PM
80° 5:00 PM
Sunny at 6:00 PM
78° Sunday 6:00 PM
Sunny at 7:00 PM
75° 7:00 PM
Clear night at 8:00 PM
71° 8:00 PM
Clear night at 9:00 PM
70° 9:00 PM
Clear night at 10:00 PM
70° Sunday 10:00 PM
Clear night at 11:00 PM
68° 11:00 PM
Clear night at 12:00 AM
67° 12:00 AM
Clear night at 1:00 AM
67° 1:00 AM
Clear night at 2:00 AM
67° Monday 2:00 AM
Clear night at 3:00 AM
66° 3:00 AM
Clear night at 4:00 AM
66° 4:00 AM
Clear night at 5:00 AM
66° 5:00 AM
Clear night at 6:00 AM
66° Monday 6:00 AM
Sunny at 7:00 AM
66° 7:00 AM
Sunny at 8:00 AM
69° 8:00 AM
Sunny at 9:00 AM
72° 9:00 AM
Sunny at 10:00 AM
74° Monday 10:00 AM
Sunny at 11:00 AM
76° 11:00 AM
Sunny at 12:00 PM
78° 12:00 PM
Sunny at 1:00 PM
78° 1:00 PM
Sunny at 2:00 PM
78° Monday 2:00 PM
Sunny at 3:00 PM
77° 3:00 PM
Sunny at 4:00 PM
77° 4:00 PM
Sunny at 5:00 PM
76° 5:00 PM
Sunny at 6:00 PM
74° Monday 6:00 PM
Sunny at 7:00 PM
70° 7:00 PM
Clear night at 8:00 PM
67° 8:00 PM
Clear night at 9:00 PM
66° 9:00 PM
Clear night at 10:00 PM
65° Monday 10:00 PM
Clear night at 11:00 PM
65° 11:00 PM
Clear night at 12:00 AM
65° 12:00 AM
Clear night at 1:00 AM
65° 1:00 AM
Clear night at 2:00 AM
64° Tuesday 2:00 AM
Clear night at 3:00 AM
64° 3:00 AM
Clear night at 4:00 AM
64° 4:00 AM
Clear night at 5:00 AM
64° 5:00 AM
Clear night at 6:00 AM
64° Tuesday 6:00 AM
Sunny at 7:00 AM
64° 7:00 AM
Sunny at 8:00 AM
68° 8:00 AM
Sunny at 9:00 AM
72° 9:00 AM
Sunny at 10:00 AM
75° Tuesday 10:00 AM
Sunny at 11:00 AM
77° 11:00 AM
Sunny at 12:00 PM
79° 12:00 PM
Sunny at 1:00 PM
79° 1:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Topanga

Hourly forecast · Updated every 2 hours
Moderate
Nearest forecast value 2:00 PM
PM2.5 Fine particles Moderate 26,9µg/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 38,7µg/m³

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

O₃ Ozone Fair 94,6µg/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.

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Topanga

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

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

High heat

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

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 Topanga

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 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 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 6:00 AM 7:00 AM 8:00 AM 9:00 AM Tuesday 10:00 AM 11:00 AM 12:00 PM 1:00 PM
Sustained wind Max gusts
Internal PR simulation: 3.99 Population: 8,885

Forecast data for Topanga were last refreshed today at 1:36 PM. The current forecast period extends through 30/08/2026 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.