Mertensia Park Weather Forecast
- 60
- 84
Chance Thunderstorms
- 64
- 83
Mostly Sunny
- 52
- 82
Rain Showers
- 54
- 70
Partly Sunny
- 56
- 75
Chance Rain Showers
- 60
- 79
Rain Showers Likely
Today 12 Jun Ontario
Mostly cloudy Early, then becoming partly sunny. Near steady Temperatures Ranging from the mid 70s on the Hilltops to the lower 80s across the lower Elevations. West Winds 10 to 20 Mph with Gusts up to 30 Mph.
Tonight 12 Jun Ontario
Partly cloudy in the Evening, then becoming clear. Less humid with Lows around 60. West Winds 10 to 15 Mph, becoming light.
Mertensia Park Temperature Statistics
June Temperature
Rochester, Greater Rochester International Airport (18.6 miles)
Lowest 2 June, 2026
43.6 °FAverage June
68.1 °FHighest 9 June, 2026
89.7 °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