I-15 weather conditions near Rowland Heights, California
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Tonight 2025-09-17, Chance Showers. A 50 percent chance of showers and thunderstorms, mainly after 11pm. Cloudy, with a low around 71. South wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday 2025-09-18, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. East southeast wind 5 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night 2025-09-18, Chance Showers. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind 5 to 10 mph, with gusts as high as 15 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.Friday 2025-09-19, Chance Showers then Slight Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night 2025-09-19, Mostly Clear. Mostly clear, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Saturday 2025-09-20, Sunny. Sunny, with a high near 86.- Saturday Night 2025-09-20, Mostly Clear. Mostly clear, with a low around 65.
Sunday 2025-09-21, Slight Chance Showers. A slight chance of showers. Mostly sunny, with a high near 88.- Sunday Night 2025-09-21, Mostly Clear. Mostly clear, with a low around 67.
- Monday 2025-09-22, Sunny. Sunny, with a high near 91.
- Monday Night 2025-09-22, Mostly Clear. Mostly clear, with a low around 69.
- Tuesday 2025-09-23, Sunny. Sunny, with a high near 89.
Tuesday Night 2025-09-23, Clear. Clear, with a low around 66.
Wednesday 2025-09-24, Sunny. Sunny, with a high near 88.