Lake Ontario Weather Forecast
- 25
- 59
Chance Rain
- 25
- 38
Mostly Cloudy
- 27
- 52
Mostly Cloudy
- 29
- 45
Chance Snow
- 21
- 58
Chance Rain/Snow
- 17
- 32
Breezy
Today 21 Mar Wells
Mostly sunny late in the Morning, then mostly cloudy with a slight chance of rain in the afternoon. Highs in the mid 50s. Temperature falling into the in the upper 40s in the afternoon. Northwest Winds 20 to 25 Mph, becoming north around 15 Mph in the afternoon. Chance of rain 20 percent.
Tonight 21 Mar Wells
Mostly cloudy. Colder. Lows in the mid 20s. North Winds 10 to 15 Mph.
Lake Ontario Temperature Statistics
March Temperature
Harvey Municipal Airport (21.1 miles)
Lowest 16 March, 2026
-9.4 °FAverage March
24.2 °FHighest 19 March, 2026
69.8 °F
Climate (2021–Present)
Harvey Municipal Airport (21.1 miles)
Average Low 2021–2026
30.3 °FAverage 2021–2026
41.2 °FAverage High 2021–2026
52 °F