Weather Alert
Upland Weather Warning NWS WEATHER ALERT FOR THE UPLAND, CA AREA - Issued: 230 AM PDT Fri Sep 11 2026 Upland Weather Warning

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Upland, CA Weather Forecast

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Upland, CA Weather Forecast

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Upland CA weather - Clear - 77°F
Clear
77°F
Updated 6:10 am
Feels Like 74°F
Humidity 61%
Wind N 0 mph
Barometer  29.9 in
Dew Point 62°F
Upland CA weather - Clear - 25°C
Clear
25°C
Updated 6:10 am
Feels Like 23°C
Humidity 61%
Wind N 0 km/h
Barometer  101.2 kPa
Dew Point 17°C
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Upland Weather Forecast

TODAY TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT
Upland, CA Weather - Today Sunny Upland, CA Weather - Tonight Mostly Clear Upland, CA Weather - Saturday Mostly Sunny Upland, CA Weather - Saturday Night Mostly Clear Upland, CA Weather - Sunday Mostly Sunny Upland, CA Weather - Sunday Night Clear Upland, CA Weather - Monday Mostly Sunny Upland, CA Weather - Monday Night Clear Upland, CA Weather - Tuesday Mostly Sunny Upland, CA Weather - Tuesday Night Clear Upland, CA Weather - Wednesday Mostly Sunny Upland, CA Weather - Wednesday Night Mostly Clear
Sunny Mostly Clear Mostly Sunny Mostly Clear Mostly Sunny Clear Mostly Sunny Clear Mostly Sunny Clear Mostly Sunny Mostly Clear
Hi: 98°FHi: 37°C
 Lo: 68°FLo: 20°C Hi: 95°FHi: 35°C
 Lo: 64°FLo: 18°C Hi: 90°FHi: 32°C
 Lo: 61°FLo: 16°C Hi: 88°FHi: 31°C
 Lo: 58°FLo: 14°C Hi: 85°FHi: 29°C
 Lo: 58°FLo: 14°C Hi: 86°FHi: 30°C
 Lo: 59°FLo: 15°C
POP = Probability of Precipitation.
Weather Outlook Updated: 232 AM PDT Fri Sep 11 2026 Upland, CA Weather - WeatherWorld.com

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Issued: 349 AM 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...

.SHORT TERM (Today through Sunday)... High pressure over southern California will weaken as a low pressure system moves southward off the British Columbia coast today and inland through the Pacific Northwest on Saturday. This will strengthen the onshore flow across southern California with drier southwest flow aloft. Coolin...