7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index
7 Day & Night Weather Forecast for Greenwich, CT - (Fahrenheit & Celsius)
Valid: 6:18 AM 7/29/2026
Today
Heavy Rain with a high near 79°F[26°C]. WSW wind to around 16 mph[25 kph], with gusts to near 28 mph[45 kph]. Dewpoint near 69°F[21°C] with humidity of 98%. Pressure around 29.41 in[996 mb]. UV Index: 4.5. Chance of precipitation 89% with QPF of 3.46 in[87.9 mm].
Tonight
Heavy Rain with a low around 67°F[20°C]. WSW wind to around 16 mph[25 kph], with gusts to near 28 mph[45 kph]. Chance of precipitation 89% with QPF of 3.46 in[87.9 mm].
Thursday
Heavy Rain with a high near 76°F[24°C]. N wind to around 11 mph[17 kph], with gusts to near 20 mph[32 kph]. Dewpoint near 69°F[21°C] with humidity of 97%. Pressure around 29.41 in[996 mb]. UV Index: 4.55. Chance of precipitation 39% with QPF of 0.63 in[15.9 mm].
Thursday Night
Heavy Rain with a low around 65°F[18°C]. N wind to around 11 mph[17 kph], with gusts to near 20 mph[32 kph]. Chance of precipitation 39% with QPF of 0.63 in[15.9 mm].
Friday
Overcast with a high near 83°F[28°C]. NNW wind to around 8 mph[13 kph], with gusts to near 19 mph[30 kph]. Dewpoint near 69°F[21°C] with humidity of 90%. Pressure around 29.41 in[996 mb]. UV Index: 7.4. Chance of precipitation 5% with QPF of 0.00 in[0.0 mm].
Friday Night
Overcast with a low around 63°F[17°C]. NNW wind to around 8 mph[13 kph], with gusts to near 19 mph[30 kph]. Chance of precipitation 5% with QPF of 0.00 in[0.0 mm].
Saturday
Overcast with a high near 83°F[28°C]. SSE wind to around 10 mph[16 kph], with gusts to near 21 mph[33 kph]. Dewpoint near 69°F[21°C] with humidity of 89%. Pressure around 29.41 in[996 mb]. UV Index: 6.25. Chance of precipitation 2% with QPF of 0.00 in[0.0 mm].
Saturday Night
Overcast with a low around 68°F[20°C]. SSE wind to around 10 mph[16 kph], with gusts to near 21 mph[33 kph]. Chance of precipitation 2% with QPF of 0.00 in[0.0 mm].
Sunday
Light Showers with a high near 74°F[23°C]. SSW wind to around 10 mph[15 kph], with gusts to near 24 mph[38 kph]. Dewpoint near 69°F[21°C] with humidity of 94%. Pressure around 29.41 in[996 mb]. UV Index: 1. Chance of precipitation 21% with QPF of 0.23 in[5.9 mm].
Sunday Night
Light Showers with a low around 69°F[21°C]. SSW wind to around 10 mph[15 kph], with gusts to near 24 mph[38 kph]. Chance of precipitation 21% with QPF of 0.23 in[5.9 mm].
Monday
Light Drizzle with a high near 82°F[28°C]. NNE wind to around 5 mph[8 kph], with gusts to near 11 mph[18 kph]. Dewpoint near 69°F[21°C] with humidity of 93%. Pressure around 29.41 in[996 mb]. UV Index: 5.45. Chance of precipitation 35% with QPF of 0.08 in[2.1 mm].
Monday Night
Light Drizzle with a low around 67°F[20°C]. NNE wind to around 5 mph[8 kph], with gusts to near 11 mph[18 kph]. Chance of precipitation 35% with QPF of 0.08 in[2.1 mm].
Tuesday
Partly Cloudy with a high near 86°F[30°C]. NNW wind to around 9 mph[14 kph], with gusts to near 20 mph[31 kph]. Dewpoint near 69°F[21°C] with humidity of 90%. Pressure around 29.41 in[996 mb]. UV Index: 7.35. Chance of precipitation 21% with QPF of 0.00 in[0.0 mm].
Tuesday Night
Partly Cloudy with a low around 64°F[18°C]. NNW wind to around 9 mph[14 kph], with gusts to near 20 mph[31 kph]. Chance of precipitation 21% with QPF of 0.00 in[0.0 mm].
QPF - Max Wind Speed - Max Humidity - Snowfall
7 Day and Night - QPF Forecast for Greenwich, CT
Today: 87.9 mm|3.46 in
Tonight: 87.9 mm|3.46 in
Thursday: 15.9 mm|0.63 in
Thursday Night: 15.9 mm|0.63 in
Friday: 0.0 mm|0.00 in
Friday Night: 0.0 mm|0.00 in
Saturday: 0.0 mm|0.00 in
Saturday Night: 0.0 mm|0.00 in
Sunday: 5.9 mm|0.23 in
Sunday Night: 5.9 mm|0.23 in
Monday: 2.1 mm|0.08 in
Monday Night: 2.1 mm|0.08 in
Tuesday: 0.0 mm|0.00 in
Tuesday Night: 0.0 mm|0.00 in
7 Day and Night - Maximum Wind Speed Forecast for Greenwich, CT
Today: WSW @ 25 kph|16 mph
Tonight: WSW @ 25 kph|16 mph
Thursday: N @ 17 kph|11 mph
Thursday Night: N @ 17 kph|11 mph
Friday: NNW @ 13 kph|8 mph
Friday Night: NNW @ 13 kph|8 mph
Saturday: SSE @ 16 kph|10 mph
Saturday Night: SSE @ 16 kph|10 mph
Sunday: SSW @ 15 kph|10 mph
Sunday Night: SSW @ 15 kph|10 mph
Monday: NNE @ 8 kph|5 mph
Monday Night: NNE @ 8 kph|5 mph
Tuesday: NNW @ 14 kph|9 mph
Tuesday Night: NNW @ 14 kph|9 mph
7 Day and Night - Maximum Humidity Forecast for Greenwich, CT
Today: 98 %
Tonight: 98 %
Thursday: 97 %
Thursday Night: 97 %
Friday: 90 %
Friday Night: 90 %
Saturday: 89 %
Saturday Night: 89 %
Sunday: 94 %
Sunday Night: 94 %
Monday: 93 %
Monday Night: 93 %
Tuesday: 90 %
Tuesday Night: 90 %
7 Day and Night - Snowfall Totals Forecast for Greenwich, CT