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Fontana, CA
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7-Day Forecast
This Afternoon
Mostly Sunny
High: 76°
Mostly sunny with a high near 76. Southwest wind 5 to 15 mph with gusts as high as 20 mph.
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Tonight
Mostly Clear then Patchy Fog
Low: 53°
Patchy fog after 2am. Otherwise, partly cloudy with a low around 53. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
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Thursday
Patchy Fog then Mostly Sunny
High: 75°
Patchy fog before 11am. Otherwise, mostly sunny with a high near 75. 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: 77°
Patchy fog before 11am. Otherwise, mostly sunny with a high near 77. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
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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: 70°
Patchy fog before 11am. Otherwise, partly sunny with a high near 70.
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Saturday Night
Slight Chance Showers
Low: 49°
A slight chance of showers. Increasing clouds with a low around 49.
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Sunday
Chance Showers
High: 59°
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly cloudy with a high near 59.
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Sunday Night
Slight Chance Showers then Mostly Cloudy
Low: 48°
A slight chance of showers before 11pm. Mostly cloudy with a low around 48.
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Monday
Decreasing Clouds
High: 63°
Cloudy, then gradually becoming mostly sunny with a high near 63.
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Monday Night
Partly Cloudy
Low: 49°
Partly cloudy with a low around 49.
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Tuesday
Sunny
High: 72°
Sunny with a high near 72.
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Source: National Weather Service
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