Mertensia Park Weather Forecast
- 53
- 78
Rain Showers
- 50
- 63
Mostly Cloudy
- 40
- 77
Rain Showers Likely
- 29
- 44
Chance Rain Showers
- 28
- 41
Partly Sunny
- 43
- 59
Slight Chance Rain Showers
- 38
- 59
Slight Chance Rain Showers
Today 16 Apr Ontario
Partly sunny Early, then becoming mostly cloudy. A chance of Showers and Thunderstorms Early, then Showers with a chance of Thunderstorms late. Some Thunderstorms may produce gusty Winds and small hail late. Warm with Highs Ranging from the lower 70s on the Hilltops to the upper 70s across the lower Elevations. Southwest Winds 10 to 15 Mph, becoming west. Chance of rain 90 percent.
Tonight 16 Apr Ontario
Mostly cloudy. Showers with a chance of Thunderstorms in the Evening, then a chance of Showers overnight. Some Thunderstorms may produce gusty Winds and small hail in the evening. Mild with Lows in the lower 50s. West Winds 5 to 10 Mph, becoming light. Chance of rain 90 percent.
Mertensia Park Temperature Statistics
April Temperature
Rochester, Greater Rochester International Airport (18.6 miles)
Lowest 8 April, 2026
21.7 °FAverage April
48.5 °FHighest 3 April, 2026
76.6 °F
Climate (2021–Present)
Rochester, Greater Rochester International Airport (18.6 miles)
Average Low 2021–2026
42.3 °FAverage 2021–2026
50.8 °FAverage High 2021–2026
59.5 °F