Weather Forecast for
Zip Code 91761 Ontario, CA

Tonight: Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.

Wednesday: Sunny, with a high near 90. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night: Mostly clear, with a low around 58. West wind 5 to 10 mph becoming light and variable in the evening.

Thursday: Sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the afternoon.

Thursday Night: Mostly clear, with a low around 60. West wind 5 to 10 mph becoming light and variable in the evening.

Friday: Mostly sunny, with a high near 92.

Friday Night: Partly cloudy, with a low around 62.

Saturday: Partly sunny, with a high near 92.

Saturday Night: Partly cloudy, with a low around 61.

Sunday: Sunny, with a high near 90.

Sunday Night: Partly cloudy, with a low around 60.

Monday: Mostly cloudy, with a high near 83.

Monday Night: Mostly cloudy, with a low around 57.

Tuesday: Partly sunny, with a high near 78.

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