Mertensia Park Weather Forecast
- 69
- 93
Rain Showers Likely
- 65
- 84
Rain Showers Likely
- 65
- 82
Rain Showers Likely
- 65
- 83
Rain Showers Likely
- 65
- 80
Chance Thunderstorms
- 66
- 86
Slight Chance Rain Showers
- 67
- 88
Partly Sunny
Today 3 Jul Ontario
Partly sunny with a chance of Showers Early, then mostly cloudy with Showers likely with a chance of Thunderstorms late. Hot with near steady Temperatures Ranging from the mid 80s on the Hilltops to the lower 90s across the lower Elevations. West Winds 10 to 15 Mph. Chance of rain 70 percent. Heat index Values up to 100.
Tonight 3 Jul Ontario
Partly to mostly cloudy. A chance of Showers early. A chance of Showers late. Warm with Lows in the upper 60s. West Winds 10 to 15 Mph, becoming light. Chance of rain 40 percent.
Mertensia Park Temperature Statistics
July Temperature
Rochester, Greater Rochester International Airport (18.6 miles)
Lowest 1 July, 2026
71.1 °FAverage July
81.2 °FHighest 1 July, 2026
93 °F
Climate (2021–2026)
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