Weather Alert
Harper Park Weather Warning NWS WEATHER ALERT FOR THE HARPER PARK, CA AREA - FLOOD WARNING Issued: 1103 AM PDT Fri Oct 23 2026 Harper Park Weather Warning

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Harper Park, CA Weather Forecast

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Harper Park, CA Weather Forecast

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Harper Park CA weather - Clear - 60°F
Clear
60°F
Updated 6:53 am
Feels Like 69°F
Humidity 83%
Wind E 5 mph
Barometer  29.91 in
Dew Point 55°F
Harper Park CA weather - Clear - 16°C
Clear
16°C
Updated 6:53 am
Feels Like 20°C
Humidity 83%
Wind E 8 km/h
Barometer  101.3 kPa
Dew Point 13°C
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Harper Park Weather Forecast

TODAY TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT
Harper Park, CA Weather - Today Mostly Sunny Harper Park, CA Weather - Tonight Mostly Clear Harper Park, CA Weather - Sunday Mostly Sunny Harper Park, CA Weather - Sunday Night Partly Cloudy Harper Park, CA Weather - Monday Mostly Sunny Harper Park, CA Weather - Monday Night Mostly Clear Harper Park, CA Weather - Tuesday Partly Cloudy Harper Park, CA Weather - Tuesday Night Partly Cloudy Harper Park, CA Weather - Wednesday Partly Cloudy Harper Park, CA Weather - Wednesday Night Partly Cloudy Harper Park, CA Weather - Thursday Partly Cloudy Harper Park, CA Weather - Thursday Night Chance Of Showers
Mostly Sunny Mostly Clear Mostly Sunny Partly Cloudy Mostly Sunny Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Chance of Showers
Hi: 76°FHi: 24°C
 Lo: 59°FLo: 15°C Hi: 76°FHi: 24°C
 Lo: 61°FLo: 16°C Hi: 77°FHi: 25°C
 Lo: 59°FLo: 15°C Hi: 75°FHi: 24°C
 Lo: 59°FLo: 15°C Hi: 75°FHi: 24°C
 Lo: 60°FLo: 16°C Hi: 73°FHi: 23°C
 Lo: 60°FLo: 16°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1213 AM PDT Sat Oct 24 2026 Harper Park, CA Weather - WeatherWorld.com

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Harper Park Forecast Discussion

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Issued: 441 AM PDT Sat Oct 24 2026

Discussion

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

...UPDATED AVIATION DISCUSSION...

The area of low pressure that has been giving us clouds and showers will begin to move out of the region, bringing clearer and drier weather today. Behind it, northerly flow aloft will allow for weaker Santa Ana winds to funnel through the mountains and valleys of San Bernardino and Riverside Counties this morning and after...