Frenchman Island Weather Forecast
- 51
- 73
Rain Showers
- 48
- 61
Chance Rain Showers
- 40
- 73
Rain Showers Likely
- 29
- 50
Chance Snow Showers
- 28
- 38
Partly Sunny
- 40
- 53
Chance Rain Showers
Today 16 Apr Oswego
Showers likely in the Morning, then Showers with a chance of Thunderstorms in the afternoon. Warm with Highs Ranging from the upper 60s along the lake Ontario shore to the mid 70s inland. Light south Winds. Chance of rain 90 percent.
Tonight 16 Apr Oswego
Showers with a chance of Thunderstorms in the Evening, then Showers overnight. Lows Ranging from the mid 40s along the lake Ontario shore to around 50 across the tug hill. Light Winds. Chance of rain 90 percent.
Frenchman Island Temperature Statistics
April Temperature
Syracuse, Syracuse Hancock International Airport (7.5 miles)
Lowest 8 April, 2026
19.7 °FAverage April
48.4 °FHighest 3 April, 2026
77.6 °F
Climate (2021–Present)
Syracuse, Syracuse Hancock International Airport (7.5 miles)
Average Low 2021–2026
42.7 °FAverage 2021–2026
51.6 °FAverage High 2021–2026
60.6 °F