Jefferson Memorial Park Weather Forecast
- 71
- 88
Isolated Thunderstorms
- 72
- 92
Mostly Sunny
- 65
- 86
Chance Thunderstorms
- 63
- 81
Slight Chance Thunderstorms
- 64
- 83
Slight Chance Thunderstorms
- 65
- 82
Chance Thunderstorms
Today 5 Jul Ontario
Partly sunny. Highs Ranging from the lower 80s on the Hilltops to the upper 80s across the lower Elevations. Light southwest Winds.
Tonight 5 Jul Ontario
Partly cloudy. Very warm and muggy with Lows around 70. Light Winds, becoming southwest 5 to 10 Mph.
Jefferson Memorial Park Temperature Statistics
July Temperature
Penn Yan, Penn Yan Airport (19.9 miles)
Lowest 2 July, 2025
64 °FAverage July
73.3 °FHighest 1 July, 2025
84 °F
Climate (2020–Present)
Penn Yan, Penn Yan Airport (19.9 miles)
Average Low 2020–2025
42.2 °FAverage 2020–2025
50.7 °FAverage High 2020–2025
59.3 °F