| NWS Forecast for: Ontario International Arpt CA Issued by: National Weather Service San Diego, CA Last Update: 2:43 pm PDT Jul 13, 2025 | |
| Tonight: Mostly clear, with a low around 63. West wind 5 to 15 mph, with gusts as high as 20 mph. Monday: Sunny, with a high near 92. 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 25 mph. Tuesday: Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Tuesday Night: Mostly clear, with a low around 61. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Wednesday: Sunny, with a high near 87. Wednesday Night: Mostly clear, with a low around 62. Thursday: Sunny, with a high near 89. Thursday Night: Mostly clear, with a low around 63. Friday: Sunny, with a high near 90. Friday Night: Mostly clear, with a low around 64. Saturday: Sunny, with a high near 93. Saturday Night: Mostly clear, with a low around 65. Sunday: Sunny, with a high near 94. | |
| Ontario International Arpt CA 34.06°N 117.58°W (Elev. 906 ft) | |
Visit your local NWS office at: https://www.weather.gov/sgx |