Marine Weather Net

Greenwich, CT Weather Forecast




Greenwich, Connecticut

 Lat: 41.03N, Lon: 73.63W

Current Conditions Updated: 556 AM EDT WED AUG 5 2026

Clear


Temp: 64°F
  • Humidity:
  • 93%
  • Winds:
  • 5 MPH NW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.15 in.
  • Dewpoint:
  • 62°F
  • Heat index:
  • 64°F

  • Sunrise:
  • 5:53 AM EDT
  • Sunset:
  • 8:04 PM EDT
  • Moonrise:
  • 11:20 PM EDT
  • Moonset:
  • 1:24 PM EDT

TODAY

PARTLY CLOUDY
Hi: 85°F
Lo: 75°F

THURSDAY

PARTLY SUNNY
Hi: 89°F
Lo: 75°F
Precip: 40%

FRIDAY

PARTLY SUNNY
Hi: 89°F
Lo: 71°F
Precip: 70%

SATURDAY

PARTLY SUNNY
Hi: 89°F
Lo: 71°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 510 AM EDT Wed Aug 05 2026

Today...Partly cloudy. Highs in the mid 80s. North winds around 5 mph, becoming south around 5 mph this afternoon.
Tonight...Mostly cloudy. A slight chance of showers after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent.
Thursday...Mostly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 103.
Thursday Night...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.
Friday...Partly sunny. Showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 70 percent. Heat index values up to 103.
Friday Night...Mostly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows in the lower 70s. Chance of rain 70 percent.
Saturday...Partly sunny. A chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. Heat index values up to 100.
Saturday Night...Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the lower 70s. Chance of rain 30 percent.
Sunday...Sunny. Highs in the upper 80s. Heat index values in the mid 90s.
Sunday Night...Mostly clear in the evening, then becoming partly cloudy. Lows around 70.
Monday...Mostly sunny. Highs in the upper 80s. Heat index values in the mid 90s.
Monday Night...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows around 70. Chance of rain 30 percent.
Tuesday...Partly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.
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