I-15 weather conditions near Rancho Cucamonga, California
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Columbus Day 2025-10-13, Partly Sunny. Partly sunny, with a high near 70. Southeast wind 10 to 15 mph becoming southwest. Winds could gust as high as 20 mph.
Tonight 2025-10-13, Showers Likely. Showers likely, mainly after 11pm. Mostly cloudy, with a low around 53. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday 2025-10-14, Heavy Rain. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 61. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.Tuesday Night 2025-10-14, Slight Chance Showers then Partly Cloudy. A slight chance of showers before 11pm. Partly cloudy, with a low around 48. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Wednesday 2025-10-15, Mostly Sunny. Mostly sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night 2025-10-15, Mostly Clear. Mostly clear, with a low around 48.
Thursday 2025-10-16, Sunny. Sunny, with a high near 73.
Thursday Night 2025-10-16, Clear. Clear, with a low around 52.- Friday 2025-10-17, Sunny. Sunny, with a high near 77.
- Friday Night 2025-10-17, Mostly Clear. Mostly clear, with a low around 54.
- Saturday 2025-10-18, Sunny. Sunny, with a high near 79.
- Saturday Night 2025-10-18, Mostly Clear. Mostly clear, with a low around 55.
- Sunday 2025-10-19, Mostly Sunny. Mostly sunny, with a high near 77.