Marine Weather Net

Greenwich, CT Weather Forecast




Greenwich, Connecticut

 Lat: 41.03N, Lon: 73.63W

Current Conditions Updated: 956 PM EDT TUE SEP 22 2026

Clear


Temp: 57°F
  • Humidity:
  • 57%
  • Winds:
  • 9 MPH NE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.38 in.
  • Dewpoint:
  • 42°F
  • Heat index:
  • 57°F

  • Sunrise:
  • 6:39 AM EDT
  • Sunset:
  • 6:52 PM EDT
  • Moonrise:
  • 5:02 PM EDT
  • Moonset:
  • 2:11 AM EDT

TONIGHT

MOSTLY CLOUDY
Lo: 51°F

WEDNESDAY

PARTLY SUNNY
Hi: 69°F
Lo: 49°F

THURSDAY

MOSTLY SUNNY
Hi: 69°F
Lo: 50°F

FRIDAY

PARTLY SUNNY
Hi: 69°F
Lo: 51°F
Weather Forecast In Detail:
Forecast Issued: 1028 PM EDT Tue Sep 22 2026

Tonight...Mostly cloudy. Lows in the lower 50s. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Wednesday...Partly sunny. Highs in the upper 60s. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Wednesday Night...Mostly clear. Lows in the upper 40s. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Thursday...Mostly sunny. Highs in the upper 60s. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Thursday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Friday...Partly sunny. Highs in the upper 60s.
Friday Night...Mostly cloudy with a 30 percent chance of showers. Breezy with lows in the lower 50s.
Saturday...Mostly cloudy with a 50 percent chance of showers. Breezy with highs in the mid 60s.
Saturday Night...Mostly cloudy. A chance of showers. Breezy with lows in the mid 50s. Chance of rain 50 percent.
Sunday...Mostly cloudy with a 50 percent chance of showers. Breezy with highs in the mid 60s.
Sunday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s.
Monday...Partly sunny. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 30 percent.
Monday Night...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s.
Tuesday...Mostly sunny. Highs around 70.
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