News Headlines
| NWS Forecast for: Ontario OR Issued by: National Weather Service Boise, ID Last Update: 12:29 pm MDT Mar 21, 2026 | |
| This Afternoon: Partly sunny, with a high near 66. North northwest wind around 17 mph. Tonight: Mostly clear, with a low around 34. North northwest wind 7 to 16 mph, with gusts as high as 25 mph. Sunday: Mostly sunny, with a high near 63. Northwest wind 3 to 6 mph. Sunday Night: Mostly cloudy, with a low around 34. North northeast wind around 5 mph becoming calm in the evening. Monday: Partly sunny, with a high near 67. Calm wind. Monday Night: Mostly cloudy, with a low around 46. Tuesday: A 30 percent chance of showers. Mostly cloudy, with a high near 69. Tuesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 48. Wednesday: Mostly cloudy, with a high near 68. Wednesday Night: Mostly cloudy, with a low around 39. Thursday: Mostly sunny, with a high near 60. Thursday Night: Partly cloudy, with a low around 34. Friday: Partly sunny, with a high near 64. | |
| Ontario OR 44.03°N 116.97°W (Elev. 2103 ft) | |
Visit your local NWS office at: https://www.weather.gov/boi |