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Johnson, CA 7-Day Night Weather Forecast
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Johnson, CA Weather Forecast
Johnson, CA Weather Forecast Date: 1208 PM PDT Sat Aug 08 2026
The area/counties/county of: San Bernardino And Riverside County Valleys, including the cities of: Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, and Corona.or toggle through each period.
Tonight... Clear. Lows 65 to 71. Areas of winds west to 10 mph this evening becoming light.
Sunday... Mostly sunny. Highs 96 to 104. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
Sunday Night... Partly cloudy. Lows 65 to 71. Areas of winds southwest to 10 mph with gusts to 25 mph in the evening becoming light.
Monday... Partly cloudy in the morning...Becoming mostly sunny. Highs 93 to 100. Areas of winds west to 10 mph becoming southwest with gusts to 25 mph in the afternoon.
Monday Night... Partly cloudy. Lows 63 to 68. Areas of winds southwest to 10 mph with gusts to 25 mph in the evening becoming light.
Tuesday... Partly cloudy. Highs 90 to 96.
Tuesday Night... Partly cloudy in the evening...Becoming mostly clear. Lows 62 to 66.
Wednesday... Partly cloudy. Highs 88 to 94.
Wednesday Night... Mostly clear. Lows 59 to 64.
Thursday... Partly cloudy. Highs 85 to 91.
Thursday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 58 to 64.
Friday... Partly cloudy. Highs 85 to 92.
Friday Night... Partly cloudy. Lows 58 to 64.
POP = Probability of Precipitation
Johnson Radar Loop
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