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Cypress Park Fontana, CA Weather Forecast

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Cypress Park Fontana, CA Weather Forecast

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Cypress Park Fontana CA weather - Clear - 73°F
Clear
73°F
Updated 10:43 pm
Feels Like 70°F
Humidity 65%
Wind W 12 mph
Barometer  30.07 in
Dew Point 61°F
Cypress Park Fontana CA weather - Clear - 23°C
Clear
23°C
Updated 10:43 pm
Feels Like 21°C
Humidity 65%
Wind W 19 km/h
Barometer  101.8 kPa
Dew Point 16°C
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Cypress Park Fontana Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Cypress Park Fontana, CA Weather - Tonight Partly Cloudy Cypress Park Fontana, CA Weather - Sunday Partly Cloudy Cypress Park Fontana, CA Weather - Sunday Night Partly Cloudy Cypress Park Fontana, CA Weather - Monday Partly Cloudy Cypress Park Fontana, CA Weather - Monday Night Mostly Clear Cypress Park Fontana, CA Weather - Tuesday Partly Cloudy Cypress Park Fontana, CA Weather - Tuesday Night Mostly Clear Cypress Park Fontana, CA Weather - Wednesday Mostly Sunny Cypress Park Fontana, CA Weather - Wednesday Night Mostly Clear Cypress Park Fontana, CA Weather - Thursday Mostly Sunny Cypress Park Fontana, CA Weather - Thursday Night Mostly Clear Cypress Park Fontana, CA Weather - Friday Mostly Sunny
Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Partly Cloudy Mostly Clear Mostly Sunny Mostly Clear Mostly Sunny Mostly Clear Mostly Sunny
Lo: 64°FLo: 18°C Hi: 95°FHi: 35°C
 Lo: 66°FLo: 19°C Hi: 96°FHi: 36°C
 Lo: 67°FLo: 19°C Hi: 98°FHi: 37°C
 Lo: 68°FLo: 20°C Hi: 101°FHi: 38°C
 Lo: 69°FLo: 21°C Hi: 101°FHi: 38°C
 Lo: 69°FLo: 21°C Hi: 101°FHi: 38°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1133 AM PDT Sat Aug 15 2026 Cypress Park Fontana, CA Weather - WeatherWorld.com

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Cypress Park Fontana Forecast Discussion

Issued: 422 PM PDT Sat Aug 15 2026

Discussion

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

...UPDATED AVIATION DISCUSSION...

A trough is draped across the State, leading to temperatures slightly below normal today. This pattern of greater onshore flow and cooler weather also allowed for a deeper marine layer that covered inland valleys of Orange and San Diego Counties earlier this morning. We`ll give the monsoon anot...