Marine Weather Net

Commack, NY Weather Forecast




Commack, New York

 Lat: 40.84N, Lon: 73.28W

Current Conditions Updated: 453 PM EDT FRI AUG 7 2026

Clear


Temp: 84°F
  • Humidity:
  • 74%
  • Winds:
  • 14 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.05 in.
  • Dewpoint:
  • 75°F
  • Heat index:
  • 92°F

  • Sunrise:
  • 5:53 AM EDT
  • Sunset:
  • 8:00 PM EDT
  • Moonrise:
  • N/A EDT
  • Moonset:
  • 3:53 PM EDT

TONIGHT

CHANCE OF SHOWERS
Lo: 75°F
Precip: 70%

SATURDAY

PARTLY SUNNY
Hi: 89°F
Lo: 75°F
Precip: 20%

SUNDAY

SUNNY

Hi: 89°F
Lo: 71°F

MONDAY

SUNNY

Hi: 89°F
Lo: 75°F
Weather Forecast In Detail:
Forecast Issued: 339 PM EDT Fri Aug 07 2026

HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT SATURDAY
Tonight...Mostly cloudy. Showers likely with a chance of thunderstorms this evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.
Saturday...Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values in the upper 90s.
Saturday Night...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.
Sunday...Sunny with highs in the upper 80s. West winds 5 to 10 mph. Heat index values in the upper 90s.
Sunday Night...Mostly clear. Lows in the lower 70s. West winds 5 to 10 mph, becoming northwest after midnight.
Monday...Sunny. Highs in the upper 80s.
Monday Night...Partly cloudy. Lows in the mid 70s.
Tuesday...Partly sunny. A chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. Heat index values in the mid 90s.
Tuesday Night...Mostly cloudy with a chance of showers. Lows in the lower 70s. Chance of rain 40 percent.
Wednesday...Partly sunny. A chance of showers in the morning. Highs in the mid 80s. Chance of rain 40 percent.
Wednesday Night...Mostly cloudy with a 40 percent chance of showers. Lows around 70.
Thursday...Mostly sunny. Highs in the mid 80s.
Thursday Night...Partly cloudy. Lows in the upper 60s.
Friday...Mostly sunny. Highs in the lower 80s.
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