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Climate Reports Summary for June 2026

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

84°F

29°C

Humidity	55%
Wind Speed	W 5 mph
Barometer	29.82 in (1009.7 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	10 Jul 6:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Saint James NY

Tonight
Low: 70 °F
Chance
Showers
Saturday
High: 83 °F
Slight Chance
Showers
Saturday Night
Low: 64 °F
Partly Cloudy
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 68 °F
Mostly Clear
Monday
High: 86 °F
Sunny
Monday Night
Low: 69 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 76 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 30%.

Saturday

A 20 percent chance of showers. Partly sunny, with a high near 83. Northeast wind around 10 mph, with gusts as high as 20 mph.

Saturday Night

Partly cloudy, with a low around 64. Southeast wind around 6 mph becoming light and variable.

Sunday

Sunny, with a high near 86. Northeast wind around 8 mph becoming southeast in the afternoon.

Sunday Night

Mostly clear, with a low around 68. South wind 5 to 7 mph becoming calm after midnight.

Monday

Sunny, with a high near 86.

Monday Night

Mostly clear, with a low around 69.