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Norco, CA Weather Forecast

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Norco, CA Weather Forecast

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Norco CA weather - Clear - 68°F
Clear
68°F
Updated 10:02 pm
Feels Like 68°F
Humidity 75%
Wind VRB 6 mph
Barometer  30 in
Dew Point 60°F
Norco CA weather - Clear - 20°C
Clear
20°C
Updated 10:02 pm
Feels Like 20°C
Humidity 75%
Wind VRB 10 km/h
Barometer  101.5 kPa
Dew Point 16°C
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Norco Weather Forecast

TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY
Norco, CA Weather - Tonight Mostly Clear Norco, CA Weather - Saturday Mostly Sunny Norco, CA Weather - Saturday Night Mostly Clear Norco, CA Weather - Sunday Partly Cloudy Norco, CA Weather - Sunday Night Partly Cloudy Norco, CA Weather - Monday Partly Cloudy Norco, CA Weather - Monday Night Mostly Clear Norco, CA Weather - Tuesday Partly Cloudy Norco, CA Weather - Tuesday Night Clear Norco, CA Weather - Wednesday Mostly Sunny Norco, CA Weather - Wednesday Night Mostly Clear Norco, CA Weather - Thursday Mostly Sunny
Mostly Clear Mostly Sunny Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Partly Cloudy Clear Mostly Sunny Mostly Clear Mostly Sunny
Lo: 58°FLo: 14°C Hi: 88°FHi: 31°C
 Lo: 61°FLo: 16°C Hi: 86°FHi: 30°C
 Lo: 60°FLo: 16°C Hi: 82°FHi: 28°C
 Lo: 57°FLo: 14°C Hi: 86°FHi: 30°C
 Lo: 61°FLo: 16°C Hi: 94°FHi: 34°C
 Lo: 66°FLo: 19°C Hi: 95°FHi: 35°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1158 AM PDT Fri Sep 18 2026 Norco, CA Weather - WeatherWorld.com

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Norco Forecast Discussion

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Issued: 931 PM PDT Fri Sep 18 2026

Discussion

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

...UPDATED AVIATION DISCUSSION...

Mid-level water vapor satellite imagery shows a trough over the PacNW with a squished ridge just off the OR coast on the heels of the trough. Temperatures warm Saturday as the trough is pushed eastward and the ridge sets up over the West Coast, increasing heights. Even with this pattern change, temperatures will still remai...