I-15 weather conditions near Fontana, California

Roadnow AI Agent Live Update

7 day weather forecast

• Tonight 2025-06-19, Increasing Clouds. Increasing clouds, with a low around 61. West wind around 5 mph becoming calm after midnight.
• Friday 2025-06-20, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 84. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
• Friday Night 2025-06-20, Increasing Clouds. Increasing clouds, with a low around 58. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
• Saturday 2025-06-21, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
• Saturday Night 2025-06-21, Increasing Clouds. Increasing clouds, with a low around 56. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
• Sunday 2025-06-22, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 82.
• Sunday Night 2025-06-22, Increasing Clouds. Increasing clouds, with a low around 57.
• Monday 2025-06-23, Becoming Sunny. Mostly cloudy through mid morning, then gradual clearing, with a high near 83.
• Monday Night 2025-06-23, Increasing Clouds. Increasing clouds, with a low around 56.
• Tuesday 2025-06-24, Becoming Sunny. Mostly cloudy through mid morning, then gradual clearing, with a high near 82.
• Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 57.
• Wednesday 2025-06-25, Sunny. Sunny, with a high near 87.
• Wednesday Night 2025-06-25, Mostly Clear. Mostly clear, with a low around 61.
• Thursday 2025-06-26, Sunny. Sunny, with a high near 91.