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Etiwanda, CA Weather Forecast

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Etiwanda, CA Weather Forecast

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Etiwanda CA weather - Mostly Cloudy - 69°F
Mostly Cloudy
69°F
Updated 9:24 am
Feels Like 67°F
Humidity 70%
Wind N 0 mph
Barometer  30 in
Dew Point 59°F
Etiwanda CA weather - Mostly Cloudy - 21°C
Mostly Cloudy
21°C
Updated 9:24 am
Feels Like 19°C
Humidity 70%
Wind N 0 km/h
Barometer  101.5 kPa
Dew Point 15°C
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Etiwanda Weather Forecast

TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT
Etiwanda, CA Weather - Today Mostly Sunny Etiwanda, CA Weather - Tonight Patchy Fog Etiwanda, CA Weather - Thursday Patchy Fog Etiwanda, CA Weather - Thursday Night Mostly Clear Etiwanda, CA Weather - Friday Mostly Sunny Etiwanda, CA Weather - Friday Night Clear Etiwanda, CA Weather - Saturday Sunny Etiwanda, CA Weather - Saturday Night Mostly Clear Etiwanda, CA Weather - Sunday Partly Cloudy Etiwanda, CA Weather - Sunday Night Mostly Clear Etiwanda, CA Weather - Monday Partly Cloudy Etiwanda, CA Weather - Monday Night Clear
Mostly Sunny Patchy Fog Patchy Fog Mostly Clear Mostly Sunny Clear Sunny Mostly Clear Partly Cloudy Mostly Clear Partly Cloudy Clear
Hi: 83°FHi: 28°C
 Lo: 57°FLo: 14°C Hi: 84°FHi: 29°C
 Lo: 57°FLo: 14°C Hi: 86°FHi: 30°C
 Lo: 59°FLo: 15°C Hi: 90°FHi: 32°C
 Lo: 60°FLo: 16°C Hi: 88°FHi: 31°C
 Lo: 59°FLo: 15°C Hi: 85°FHi: 29°C
 Lo: 58°FLo: 14°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1229 AM PDT Wed Sep 16 2026 Etiwanda, CA Weather - WeatherWorld.com

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Etiwanda Forecast Discussion

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Issued: 432 AM PDT Wed Sep 16 2026

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

...UPDATED AVIATION DISCUSSION...

.SHORT TERM (Today through Friday)... Low pressure moving southward into California today will weaken and move east on Thursday and Friday. High temperatures will remain as much as 5 to 10 degrees below average for the mountains and inland valleys for today and Thursday with high temperatures ranging from the lower to mid 7...