Ontario Weather Forecast
- 58
- 72
Rain Showers
- 54
- 75
Mostly Sunny
- 55
- 76
Mostly Sunny
- 58
- 80
Mostly Sunny
- 61
- 82
Partly Sunny
- 64
- 82
Chance Rain Showers
Today 31 Jul Richland
Showers with a chance of Thunderstorms this Morning, then Showers with a slight chance of Thunderstorms this afternoon. Much cooler with Highs in the lower 70s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.
Tonight 31 Jul Richland
Mostly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Lows in the upper 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.
Ontario Temperature Statistics
July Temperature
Mansfield - Mansfield Lahm Regional Airport (5.6 miles)
Lowest 22 July, 2025
56.6 °FAverage July
75.5 °FHighest 6 July, 2025
90.6 °F
Climate (2020–Present)
Mansfield - Mansfield Lahm Regional Airport (5.6 miles)
Average Low 2020–2025
44 °FAverage 2020–2025
52.6 °FAverage High 2020–2025
61.6 °F