| NWS Forecast for: Ontario OR Issued by: National Weather Service Boise, ID Last Update: 12:30 am MDT Apr 24, 2026 | |
Today: Sunny, with a high near 58. North northwest wind 9 to 13 mph. Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 33. North wind 5 to 9 mph becoming calm after midnight. Saturday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 59. Light and variable wind. Saturday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 35. Light and variable wind becoming northwest around 5 mph. Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 62. West northwest wind 3 to 7 mph. Sunday Night: Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. Monday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 64. Monday Night: Partly cloudy, with a low around 39. Tuesday: Mostly sunny, with a high near 66. Tuesday Night: Partly cloudy, with a low around 40. Wednesday: Sunny, with a high near 70. Wednesday Night: Mostly clear, with a low around 44. Thursday: Sunny, with a high near 72. | |
| Ontario OR 44.03°N 116.97°W (Elev. 2103 ft) | |
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