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James Simpson Park, CA Weather Forecast

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James Simpson Park, CA Weather Forecast

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James Simpson Park CA weather - Clear - 59°F
Clear
59°F
Updated 11:31 pm
Feels Like 54°F
Humidity 96%
Wind SW 5 mph
Barometer  30.07 in
Dew Point 58°F
James Simpson Park CA weather - Clear - 15°C
Clear
15°C
Updated 11:31 pm
Feels Like 12°C
Humidity 96%
Wind SW 8 km/h
Barometer  101.8 kPa
Dew Point 14°C
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James Simpson Park Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
James Simpson Park, CA Weather - Tonight Clear James Simpson Park, CA Weather - Sunday Mostly Sunny James Simpson Park, CA Weather - Sunday Night Mostly Clear James Simpson Park, CA Weather - Monday Mostly Sunny James Simpson Park, CA Weather - Monday Night Clear James Simpson Park, CA Weather - Tuesday Mostly Sunny James Simpson Park, CA Weather - Tuesday Night Partly Cloudy James Simpson Park, CA Weather - Wednesday Partly Cloudy James Simpson Park, CA Weather - Wednesday Night Partly Cloudy James Simpson Park, CA Weather - Thursday Partly Cloudy James Simpson Park, CA Weather - Thursday Night Chance Of Showers James Simpson Park, CA Weather - Friday Chance Of Showers
Clear Mostly Sunny Mostly Clear Mostly Sunny Clear Mostly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Chance of Showers Chance of Showers
Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
 Lo: 56°FLo: 13°C Hi: 80°FHi: 27°C
 Lo: 54°FLo: 12°C Hi: 78°FHi: 26°C
 Lo: 54°FLo: 12°C Hi: 77°FHi: 25°C
 Lo: 55°FLo: 13°C Hi: 73°FHi: 23°C
 Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1209 PM PDT Sat Oct 24 2026 James Simpson Park, CA Weather - WeatherWorld.com

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James Simpson Park Forecast Discussion

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Issued: 1022 PM PDT Sat Oct 24 2026

Discussion

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

...UPDATED AVIATION DISCUSSION...

At 11 AM, the pressure gradient from San Diego to Tonopah, NV was running 5.6 mb offshore. Winds had come down from their peak with only place with wind gusts over 30 mph was directly below the Cajon Pass. Earlier today gusts to 45 mph were observed near the Cajon Pass. Weak offshore flow will continue into Sunday, becoming...