Weather WorldRainbow, CA 7-Day Night Weather Forecast
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Rainbow, CA Weather Forecast
Rainbow, CA Weather Forecast Date: 1214 AM PDT Sat Sep 05 2026
The area/counties/county of: San Diego County Valleys, including the cities of: Escondido, El Cajon, San Marcos, La Mesa, Santee, and Poway.or toggle through each period.
Today... Mostly sunny this morning, then partly cloudy with a slight chance of showers this afternoon. Highs 86 to 91. Areas of winds southwest to 10 mph. Chance of measurable precipitation 20%.
Tonight... Partly cloudy in the evening, then cloudy with a slight chance of showers overnight. Lows 66 to 71. Light winds. Chance of measurable precipitation 20%.
Sunday... Mostly cloudy in the morning...Becoming partly cloudy. A slight chance of showers. Highs 86 to 91. Areas of winds north to 10 mph becoming northwest in the afternoon. Chance of measurable precipitation 20%.
Sunday Night... Partly cloudy in the evening...Becoming mostly cloudy. Lows 66 to 71. Areas of winds northwest to 10 mph in the evening becoming light.
Labor Day... Partly cloudy. Highs 88 to 93. Light winds becoming west 10 mph in the afternoon.
Monday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 65 to 70.
Tuesday... Mostly sunny. Highs 89 to 94.
Tuesday Night... Mostly clear. Lows 66 to 71.
Wednesday... Partly cloudy in the morning...Becoming mostly sunny. Highs 90 to 95.
Wednesday Night... Partly cloudy in the evening...Becoming mostly clear. Lows 66 to 70.
Thursday... Partly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs 88 to 93.
Thursday Night... Mostly clear. Lows 64 to 68.
POP = Probability of Precipitation
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