Ontario Weather Forecast
- 37
- 58
Partly Sunny
- 48
- 66
Mostly Cloudy
- 41
- 63
Chance Rain Showers
- 46
- 58
Rain Showers Likely
- 39
- 60
Rain Showers
- 32
- 51
Partly Sunny
Today 28 Mar Knox
Mostly sunny. Not as cool with Highs in the upper 50s. South Winds 5 to 10 Mph, becoming west 10 to 15 Mph this afternoon.
Tonight 28 Mar Knox
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 30s. North Winds 5 to 10 Mph, becoming east after midnight.
Ontario Temperature Statistics
March Temperature
Galesburg Municipal Airport (11.8 miles)
Lowest 18 March, 2024
20.3 °FAverage March
45.3 °FHighest 3 March, 2024
76.3 °F
Climate (2019–Present)
Galesburg Municipal Airport (11.8 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
41.3 °FAverage 2019–2024
51.1 °FAverage High 2019–2024
60.9 °F