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: 532 AM EDT THU JUN 18 2026

Mostly Cloudy
Temp: 66°F
  • Humidity:
  • 96%
  • Winds:
  • 8 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.79 in.
  • Dewpoint:
  • 65°F
  • Heat index:
  • 66°F

  • Sunrise:
  • 5:16 AM EDT
  • Sunset:
  • 8:23 PM EDT
  • Moonrise:
  • 9:12 AM EDT
  • Moonset:
  • 11:36 PM EDT

TODAY

PARTLY SUNNY
Hi: 81°F
Lo: 69°F
Precip: 50%

JUNETEENTH

PARTLY SUNNY
Hi: 81°F
Lo: 65°F

SATURDAY

SUNNY

Hi: 81°F
Lo: 65°F

SUNDAY

SUNNY

Hi: 81°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 245 AM EDT Thu Jun 18 2026

Today...Mostly cloudy with a slight chance of showers this morning, then partly sunny with a chance of showers and thunderstorms this afternoon. Highs in the lower 80s. South winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 50 percent.
Tonight...Partly cloudy. A slight chance of showers in the evening. Lows in the upper 60s. West winds 15 to 20 mph. Gusts up to 35 mph, Decreasing to 25 mph after midnight. Chance of rain 20 percent.
Juneteenth...Partly sunny. Highs in the lower 80s. West winds 10 to 15 mph with gusts up to 25 mph.
Friday Night...Clear. Lows in the mid 60s. West winds 10 to 15 mph with gusts up to 25 mph.
Saturday...Sunny. Highs in the lower 80s. West winds 15 to 20 mph with gusts up to 30 mph.
Saturday Night...Clear. Lows in the mid 60s.
Sunday...Sunny. Highs in the lower 80s.
Sunday Night...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.
Monday...Showers likely in the morning, then showers in the afternoon. Highs around 80. Chance of rain 80 percent.
Monday Night...Showers, mainly in the evening. Lows in the lower 60s. Chance of rain 80 percent.
Tuesday...Partly sunny. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 40 percent.
Tuesday Night...Mostly clear. Lows in the mid 60s.
Wednesday...Sunny. Highs in the lower 80s.
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