National Weather Service Forecast for: 2 Miles S Greenwich CT
Issued by: National Weather Service New York, NY
Updated: 9:10 pm EDT Sep 12, 2026
 
Overnight

Overnight: A chance of showers and thunderstorms between 2am and 5am, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Low around 67. Southeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Heavy Rain

 Sunday

Sunday: Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a slight chance of showers after 2pm. Some of the storms could produce heavy rainfall. High near 79. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain
then Chance
Showers
 Sunday
Night
Sunday Night: A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 65. Calm wind becoming west around 6 mph after midnight.
Partly Cloudy
then Chance
Showers
 Monday

Monday: A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 74. Northwest wind 8 to 11 mph.
Chance
Showers then
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 54. North wind around 8 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 72.
Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 58.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 77.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 63.
Partly Cloudy
Lo 67 °F Hi 79 °F Lo 65 °F Hi 74 °F Lo 54 °F Hi 72 °F Lo 58 °F Hi 77 °F Lo 63 °F

Hazardous Weather Outlook
Flood Watch
 

Overnight
 
 A chance of showers and thunderstorms between 2am and 5am, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Low around 67. Southeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
 
 Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a slight chance of showers after 2pm. Some of the storms could produce heavy rainfall. High near 79. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
 
 A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 65. Calm wind becoming west around 6 mph after midnight.
Monday
 
 A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 74. Northwest wind 8 to 11 mph.
Monday Night
 
 Mostly clear, with a low around 54. North wind around 8 mph.
Tuesday
 
 Sunny, with a high near 72.
Tuesday Night
 
 Partly cloudy, with a low around 58.
Wednesday
 
 Mostly sunny, with a high near 77.
Wednesday Night
 
 Partly cloudy, with a low around 63.
Thursday
 
 Mostly sunny, with a high near 81.
Thursday Night
 
 Partly cloudy, with a low around 65.
Friday
 
 A 30 percent chance of showers. Partly sunny, with a high near 79.
Friday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Saturday
 
 Partly sunny, with a high near 75.

 

Forecast from NOAA-NWS for 2 Miles S Greenwich CT.