7-Day Forecast 34.1°N 117.43°W (Text-Only)
NWS Forecast for: Fontana CA
Issued by: National Weather Service San Diego, CA
Last Update: 12:55 am PDT Jul 13, 2025


This Afternoon: Sunny, with a high near 91. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Tonight: Mostly clear, with a low around 64. West wind 5 to 10 mph becoming light southwest after midnight.

Monday: Sunny, with a high near 93. Light south wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

Monday Night: Mostly clear, with a low around 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday: Sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Tuesday Night: Clear, with a low around 60.

Wednesday: Sunny, with a high near 88.

Wednesday Night: Clear, with a low around 60.

Thursday: Sunny, with a high near 88.

Thursday Night: Mostly clear, with a low around 62.

Friday: Sunny, with a high near 90.

Friday Night: Mostly clear, with a low around 64.

Saturday: Sunny, with a high near 93.



Fontana CA
 34.1°N 117.43°W (Elev. 1296 ft)

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