Louisville Weather Forecast
- 59
- 77
Chance Rain Showers
- 57
- 80
Rain Showers
- 54
- 74
Mostly Sunny
- 62
- 79
Rain Showers Likely
- 61
- 80
Rain Showers
- 56
- 76
Chance Rain Showers
- 57
- 76
Mostly Sunny
Today 17 Jul Northern St. Lawrence
Sunny. Highs in the upper 70s. Light and variable Winds, becoming west around 10 Mph this afternoon.
Tonight 17 Jul Northern St. Lawrence
Partly cloudy until Midnight, then mostly cloudy with a slight chance of Showers after midnight. Lows in the upper 50s. Light and variable Winds. Chance of rain 20 percent.
Louisville Temperature Statistics
July Temperature
Massena, Massena International-Richards Field (8.7 miles)
Lowest 5 July, 2026
52.6 °FAverage July
73.3 °FHighest 1 July, 2026
91.7 °F
Climate (2021–2026)
Massena, Massena International-Richards Field (8.7 miles)
Average Low 2021–2026
36.1 °FAverage 2021–2026
46.2 °FAverage High 2021–2026
55.9 °F