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Alpine Weather Warning NWS WEATHER ALERT FOR THE ALPINE, CA AREA - Issued: 305 AM PDT Wed Sep 30 2026 Alpine Weather Warning

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Alpine, CA Weather Forecast

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Alpine, CA Weather Forecast

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Alpine CA weather - Clear - 52°F
Clear
52°F
Updated 5:31 am
Feels Like 56°F
Humidity 82%
Wind N 0 mph
Barometer  29.8 in
Dew Point 47°F
Alpine CA weather - Clear - 11°C
Clear
11°C
Updated 5:31 am
Feels Like 13°C
Humidity 82%
Wind N 0 km/h
Barometer  100.9 kPa
Dew Point 8°C
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Alpine Weather Forecast

TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT
Alpine, CA Weather - Today Mostly Sunny Alpine, CA Weather - Tonight Patchy Fog Alpine, CA Weather - Thursday Mostly Sunny Alpine, CA Weather - Thursday Night Mostly Clear Alpine, CA Weather - Friday Mostly Sunny Alpine, CA Weather - Friday Night Mostly Clear Alpine, CA Weather - Saturday Mostly Sunny Alpine, CA Weather - Saturday Night Clear Alpine, CA Weather - Sunday Mostly Sunny Alpine, CA Weather - Sunday Night Clear Alpine, CA Weather - Monday Mostly Sunny Alpine, CA Weather - Monday Night Mostly Clear
Mostly Sunny Patchy Fog Mostly Sunny Mostly Clear Mostly Sunny Mostly Clear Mostly Sunny Clear Mostly Sunny Clear Mostly Sunny Mostly Clear
Hi: 86°FHi: 30°C
 Lo: 61°FLo: 16°C Hi: 88°FHi: 31°C
 Lo: 65°FLo: 18°C Hi: 98°FHi: 37°C
 Lo: 70°FLo: 21°C Hi: 101°FHi: 38°C
 Lo: 70°FLo: 21°C Hi: 99°FHi: 37°C
 Lo: 72°FLo: 22°C Hi: 98°FHi: 37°C
 Lo: 71°FLo: 22°C
POP = Probability of Precipitation.
Weather Outlook Updated: 227 AM PDT Wed Sep 30 2026 Alpine, CA Weather - WeatherWorld.com

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Issued: 430 AM PDT Wed Sep 30 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)... High pressure aloft will strengthen across California through Friday with 500 mb heights rising to near or slightly above the 90th percentile. This will bring a warming trend into the weekend with warming for today ranging from a few degrees near the coast to around 10 degrees for the m...