Massena Airport (MSS) Weather 07/13/2026
Overnight
61
Partly Cloudy
Tuesday
88
Chance T-storms
Tuesday Night
73
Chance T-storms
Wednesday
92
Chance T-storms
Wednesday Night
74
Chance T-storms then Partly Cloudy
Thursday
91
Mostly Sunny then Chance T-storms
Thursday Night
73
Chance T-storms
Friday
91
Hot
Friday Night
70
Partly Cloudy then Chance Showers
Independence Day
87
Chance Showers
Saturday Night
67
Chance Showers
Sunday
85
Mostly Sunny
Sunday Night
66
Partly Cloudy
Weekly Forecast
Overnight
Partly cloudy, with a low around 61. Light south wind.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 88. Heat index values as high as 91. Light south wind increasing to 5 to 10 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 73. Southwest wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 92. Heat index values as high as 96. Southwest wind 10 to 14 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Southwest wind 10 to 13 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Southwest wind 10 to 15 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Southwest wind 7 to 11 mph.
Friday
Mostly sunny and hot, with a high near 91. West wind 7 to 10 mph.
Friday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 70. Southwest wind 3 to 6 mph.
Independence Day
A 50 percent chance of showers. Partly sunny, with a high near 87. West wind 5 to 8 mph.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67. Light west wind.
Sunday
Mostly sunny, with a high near 85. Calm wind becoming northwest 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 66. Calm wind.