| NWS Forecast for: Ontonagon County Issued by: National Weather Service Marquette, MI Last Update: 222 PM EDT Tue May 19 2026 | |
| Late This Afternoon: Cloudy. West winds 10 to 15 mph with gusts up to 30 mph. Tonight: Cloudy in the evening, then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Northwest winds 5 to 15 mph. Wednesday: Mostly sunny. Highs 53 to 58. Northwest winds 5 to 10 mph, becoming north in the afternoon. Wednesday Night: Mostly clear. Areas of frost after midnight. Lows 34 to 39. Light southeast winds, becoming south 5 to 10 mph after midnight. Thursday: Much warmer. Sunny. Highs 66 to 71. Light south winds. Thursday Night: Partly cloudy. Lows around 40. Light southeast winds. Friday: Partly cloudy. Highs around 69. Friday Night: A chance of rain showers after midnight. Cloudy. Lows around 43. Chance of rain 40 percent. Saturday: Mostly cloudy with a chance of showers. Highs around 62. Chance of rain 50 percent. Saturday Night: Mostly cloudy. Lows around 45. Sunday: Warmer. Partly cloudy. Highs around 69 inland to around 62 at the shore. Sunday Night And Memorial Day: Warmer. Mostly clear. Lows around 50. Highs around 79 inland to around 70 at the shore. Monday Night And Tuesday: Mostly clear. Lows around 54. Highs 80 to 85 inland to around 73 at the shore. | |
| Zone Forecast: Ontonagon County | |
Visit your local NWS office at: https://www.weather.gov/mqt/ |