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Rancho Cucamonga, CA
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7-Day Forecast
Overnight
Partly Cloudy
Low: 53°
Partly cloudy with a low around 53. Calm wind.
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Wednesday
Patchy Fog then Mostly Sunny
High: 75°
Patchy fog before 11am. Otherwise, mostly sunny with a high near 75. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
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Wednesday Night
Patchy Fog
Low: 52°
Patchy fog after 11pm. Otherwise, partly cloudy with a low around 52. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
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Thursday
Patchy Fog then Mostly Sunny
High: 74°
Patchy fog before 11am. Otherwise, mostly sunny with a high near 74. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
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Thursday Night
Patchy Fog
Low: 54°
Patchy fog after 11pm. Otherwise, partly cloudy with a low around 54. West wind 5 to 15 mph with gusts as high as 20 mph.
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Friday
Patchy Fog then Sunny
High: 76°
Patchy fog before 11am. Otherwise, mostly sunny with a high near 76.
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Friday Night
Increasing Clouds
Low: 55°
Increasing clouds with a low around 55.
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Saturday
Patchy Fog then Partly Sunny
High: 69°
Patchy fog before 11am. Otherwise, partly sunny with a high near 69.
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Saturday Night
Slight Chance Showers
Low: 49°
A slight chance of showers. Mostly cloudy with a low around 49.
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Sunday
Slight Chance Showers
High: 59°
A slight chance of showers. Mostly cloudy with a high near 59.
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Sunday Night
Slight Chance Showers then Mostly Cloudy
Low: 49°
A slight chance of showers. Mostly cloudy with a low around 49.
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Monday
Mostly Cloudy
High: 62°
Mostly cloudy with a high near 62.
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Monday Night
Partly Cloudy
Low: 49°
Partly cloudy with a low around 49.
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Tuesday
Sunny
High: 71°
Sunny with a high near 71.
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Source: National Weather Service
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