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Montclair, CA Weather Forecast

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Montclair, CA Weather Forecast

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Montclair CA weather - Clear - 77°F
Clear
77°F
Updated 11:55 pm
Feels Like 78°F
Humidity 65%
Wind WNW 3 mph
Barometer  29.9 in
Dew Point 64°F
Montclair CA weather - Clear - 25°C
Clear
25°C
Updated 11:55 pm
Feels Like 26°C
Humidity 65%
Wind WNW 5 km/h
Barometer  101.2 kPa
Dew Point 18°C
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Montclair Weather Forecast

TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY
Montclair, CA Weather - Tonight Clear Montclair, CA Weather - Saturday Mostly Sunny Montclair, CA Weather - Saturday Night Clear Montclair, CA Weather - Sunday Mostly Sunny Montclair, CA Weather - Sunday Night Mostly Clear Montclair, CA Weather - Monday Mostly Sunny Montclair, CA Weather - Monday Night Clear Montclair, CA Weather - Tuesday Mostly Sunny Montclair, CA Weather - Tuesday Night Mostly Clear Montclair, CA Weather - Wednesday Mostly Sunny Montclair, CA Weather - Wednesday Night Clear Montclair, CA Weather - Thursday Mostly Sunny
Clear Mostly Sunny Clear Mostly Sunny Mostly Clear Mostly Sunny Clear Mostly Sunny Mostly Clear Mostly Sunny Clear Mostly Sunny
Lo: 68°FLo: 20°C Hi: 96°FHi: 36°C
 Lo: 65°FLo: 18°C Hi: 92°FHi: 33°C
 Lo: 61°FLo: 16°C Hi: 90°FHi: 32°C
 Lo: 59°FLo: 15°C Hi: 87°FHi: 31°C
 Lo: 58°FLo: 14°C Hi: 90°FHi: 32°C
 Lo: 61°FLo: 16°C Hi: 94°FHi: 34°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1123 AM PDT Fri Sep 11 2026 Montclair, CA Weather - WeatherWorld.com

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Montclair Forecast Discussion

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Issued: 1035 PM PDT Fri Sep 11 2026

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...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...

...UPDATED AVIATION DISCUSSION...

High pressure continues to weaken over the region today with stronger onshore flow seen at current observations. This has allowed for a deepening marine layer, where some places along the coast saw low clouds and patchy fog earlier this morning. Looking toward the lunch hour, temperatures a relatively cooler with highs in t...