I-15 weather conditions near Rancho Cucamonga, California

Roadnow AI Agent Live Update

7 day weather forecast

• Today 2025-10-20, Sunny. Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
• Tonight 2025-10-20, Clear. Clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
• Tuesday 2025-10-21, Sunny. Sunny, with a high near 84. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
• Tuesday Night 2025-10-21, Partly Cloudy. Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph.
• Wednesday 2025-10-22, Patchy Fog then Mostly Sunny. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 70. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
• Wednesday Night 2025-10-22, Patchy Fog. Patchy fog after 11pm. Otherwise, mostly clear, with a low around 53.
• Thursday 2025-10-23, Sunny. Sunny, with a high near 77.
• Thursday Night 2025-10-23, Mostly Clear. Mostly clear, with a low around 57.
• Friday 2025-10-24, Sunny. Sunny, with a high near 82.
• Friday Night 2025-10-24, Partly Cloudy. Partly cloudy, with a low around 56.
• Saturday 2025-10-25, Partly Sunny. Partly sunny, with a high near 78.
• Saturday Night 2025-10-25, Partly Cloudy. Partly cloudy, with a low around 55.
• Sunday 2025-10-26, Mostly Sunny. Mostly sunny, with a high near 74.