Marine Weather Net

Riverhead, NY Weather Forecast


Marine Forecast: Peconic and Gardiners Bays


Riverhead, New York

 Lat: 40.91N, Lon: 72.63W

Current Conditions Updated: 453 PM EDT THU AUG 6 2026

Clear


Temp: 82°F
  • Humidity:
  • 81%
  • Winds:
  • 13 MPH SW
  • Gusts:
  • 21 MPH
  • Barometer:
  • 30.12 in.
  • Dewpoint:
  • 76°F
  • Heat index:
  • 89°F

  • Sunrise:
  • 5:50 AM EDT
  • Sunset:
  • 7:59 PM EDT
  • Moonrise:
  • 11:54 PM EDT
  • Moonset:
  • 2:35 PM EDT

TONIGHT

PARTLY CLOUDY
Lo: 75°F

FRIDAY

PARTLY SUNNY
Hi: 85°F
Lo: 75°F
Precip: 30%

SATURDAY

PARTLY SUNNY
Hi: 85°F
Lo: 75°F
Precip: 40%

SUNDAY

SUNNY

Hi: 81°F
Lo: 70°F
Weather Forecast In Detail:
Forecast Issued: 310 PM EDT Thu Aug 06 2026

HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT SATURDAY
Tonight...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph this evening.
Friday...Partly sunny. A chance of thunderstorms with a slight chance of showers in the afternoon. Some thunderstorms May produce gusty winds and heavy rainfall in the afternoon. Humid with highs in the mid 80s. West winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 30 percent. Heat index values in the upper 90s.
Friday Night...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Some thunderstorms May produce gusty winds and heavy rainfall in the evening. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 40 percent.
Saturday...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. Some thunderstorms May produce gusty winds and heavy rainfall in the afternoon. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent. Heat index values in the mid 90s.
Saturday Night...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Some thunderstorms May produce gusty winds and heavy rainfall in the evening. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 20 percent.
Sunday...Sunny. Highs in the lower 80s.
Sunday Night...Mostly clear. Lows around 70.
Monday...Sunny. Highs in the lower 80s.
Monday Night...Partly cloudy. Lows in the lower 70s.
Tuesday...Partly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
Tuesday Night...Mostly cloudy with a chance of showers in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 70s. Chance of rain 30 percent.
Wednesday...Mostly sunny. Highs in the lower 80s.
Wednesday Night...Partly cloudy. Lows around 70.
Thursday...Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.
SHARE THIS PAGE: