Mertensia Park Weather Forecast
- 28
- 41
Rain/Snow Likely
- 25
- 40
Chance Snow Showers
- 43
- 54
Mostly Cloudy
- 40
- 62
Partly Sunny
- 45
- 64
Partly Sunny
- 48
- 68
Chance Rain Showers
- 44
- 65
Chance Rain Showers
Today 19 Apr Ontario
Rain and snow Showers likely with a chance of Thunderstorms. Some Thunderstorms may produce small hail. Little or no accumulation. Cold with Highs Ranging from the upper 30s on the Hilltops to the lower 40s across the lower Elevations. Northwest Winds 10 to 15 Mph, becoming west. Chance of precipitation 70 percent.
Tonight 19 Apr Ontario
Mostly cloudy. Rain Showers, snow Showers likely with a chance of Thunderstorms Early, then snow and rain Showers likely late this evening. A chance of snow Showers after midnight. Some Thunderstorms may produce small hail early. Snow accumulation an inch or less. Cold with Lows Ranging from the mid 20s on the Hilltops to the upper 20s across the lower Elevations. West Winds 10 to 15 Mph, becoming northwest 5 to 10 Mph. Chance of precipitation 60 percent.
Mertensia Park Temperature Statistics
April Temperature
Rochester, Greater Rochester International Airport (18.6 miles)
Lowest 8 April, 2026
21.7 °FAverage April
51.9 °FHighest 14 April, 2026
77.6 °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