| NWS Forecast for: Ontario International Arpt CA Issued by: National Weather Service San Diego, CA Last Update: 12:55 am PDT Jul 13, 2025 |  |
| Today: Patchy fog before 11am. Otherwise, sunny, with a high near 91. West wind 5 to 15 mph, with gusts as high as 20 mph. Tonight: Mostly clear, with a low around 64. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph. Monday: Sunny, with a high near 91. Light southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Monday Night: Mostly clear, with a low around 63. West wind 5 to 15 mph, with gusts as high as 20 mph. Tuesday: Sunny, with a high near 87. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Tuesday Night: Mostly clear, with a low around 61. Wednesday: Sunny, with a high near 87. Wednesday Night: Clear, with a low around 61. Thursday: Sunny, with a high near 88. Thursday Night: Mostly clear, with a low around 62. Friday: Sunny, with a high near 90. Friday Night: Mostly clear, with a low around 64. Saturday: Sunny, with a high near 92. | |
| Ontario International Arpt CA 34.06°N 117.58°W (Elev. 906 ft) | |
Visit your local NWS office at: https://www.weather.gov/sgx |
