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Hour-by-Hour Forecast for Greenwich, Connecticut, USA

Currently: 89 °F. Partly sunny. (Weather station: Westchester County Airport, USA). See more current weather

Hour-by-hour Forecast in Greenwich — Graph

°F
Time
Wind
(mph)
Rain/Snow
()
Temp
(°F)
66
69
72
75
78
81
84
87
90
93
Wednesday, August 13, 2025
2 pm
89
12
3 pm
88
12
0.02
4 pm
87
11
0.02
5 pm
85
10
0.05
6 pm
83
7
0.03
7 pm
80
4
0.02
8 pm
78
2
0.02
9 pm
76
3
0.01
10 pm
75
4
0.01
11 pm
74
6
Thursday, August 14, 2025
0.01
12 am
74
5
0.01
1 am
74
5
2 am
74
5
3 am
73
4
4 am
73
3
5 am
72
2
6 am
72
2
7 am
73
2
8 am
75
1
9 am
77
2
10 am
79
2
11 am
81
3
12 pm
83
3
1 pm
84
3
2 pm
85
3
0.01
3 pm
85
2
0.01
4 pm
84
1
0.01
5 pm
83
2
0.01
6 pm
82
1
0.01
7 pm
81
1
0.01
8 pm
79
1
9 pm
77
1
10 pm
75
2
11 pm
74
3
Friday, August 15, 2025
12 am
73
3
1 am
73
4
2 am
72
5
3 am
71
5
4 am
70
5
5 am
69
5
6 am
69
6
7 am
70
8
8 am
71
10
9 am
74
10
10 am
77
9
11 am
79
10
12 pm
81
9
1 pm
82
8
2 pm
83
8
3 pm
83
8
4 pm
83
8
5 pm
82
9
6 pm
81
7
7 pm
78
7
8 pm
76
7
9 pm
73
7
10 pm
72
7
11 pm
71
7
Saturday, August 16, 2025
12 am
70
6
1 am
69
5
2 am
69
5
3 am
68
4
4 am
68
4
5 am
67
3
6 am
67
4
7 am
69
4
8 am
71
5
9 am
73
4
10 am
76
4
11 am
78
4
12 pm
80
4
1 pm
81
4
2 pm
82
5
3 pm
83
6
4 pm
82
7
5 pm
82
8
6 pm
80
8
7 pm
78
8
8 pm
75
9
9 pm
74
9
10 pm
73
9
11 pm
73
9
Sunday, August 17, 2025
12 am
72
9
1 am
72
9
2 am
72
9
3 am
72
8
4 am
71
8
5 am
71
8
6 am
71
9
7 am
72
9
8 am
75
10
9 am
78
10
10 am
81
9
11 am
84
9
12 pm
86
9
1 pm
87
8
2 pm
89
8
3 pm
88
8
4 pm
86
7
5 pm
84
7
6 pm
82
7
7 pm
80
8
8 pm
80
8
9 pm
78
7
10 pm
77
7
11 pm
76
6
Monday, August 18, 2025
12 am
76
5
1 am
75
4
2 am
75
3
3 am
74
3
4 am
72
3
5 am
71
3
6 am
70
3
7 am
71
2
8 am
73
2
9 am
75
0
10 am
77
1
11 am
79
3
12 pm
81
4
1 pm
82
5
2 pm
83
5
3 pm
82
6
0.01
4 pm
81
7
0.02
5 pm
79
9
0.03
6 pm
79
9
0.04
7 pm
78
9
0.04
8 pm
76
9
0.03
9 pm
74
7
0.01
10 pm
74
6
11 pm
74
5
Tuesday, August 19, 2025
12 am
73
8
1 am
73
10
2 am
72
12
3 am
72
11
4 am
71
10
5 am
71
9
6 am
70
8
7 am
72
8
8 am
76
8
9 am
79
8
10 am
82
8
11 am
85
8
12 pm
87
8
1 pm
89
8
2 pm
91
8
3 pm
91
8
4 pm
90
8
5 pm
89
8
6 pm
85
8
7 pm
82
9
0.01
8 pm
78
12
0.03
9 pm
74
12
0.06
10 pm
73
12
0.07
11 pm
72
12
Wednesday, August 20, 2025
0.08
12 am
73
13
0.08
1 am
73
13
0.07
2 am
73
14
0.05
3 am
73
14
0.02
4 am
72
13
5 am
72
13
6 am
72
13
7 am
73
13
Wed, Aug 13 at 2:00 pm
89 °F
Overcast.
Feels Like: 93 °F
Humidity: 53%
Precipitation: Rain: 0 Snow: 0
Precipitation Chance: 2%
S
Wind: 12 mph

Detailed Hourly Forecast — Next 24 hours

Scroll right to see more
 ConditionsComfortPrecipitation
Time TempWeatherFeels LikeWind HumidityChanceAmount
2:00 pm
Wed, Aug 13
89 °FOvercast.93 °F12 mph53%2%0.00" (snow)
0.00" (rain)
3:00 pm88 °FOvercast.92 °F12 mph53%4%0.00" (snow)
0.00" (rain)
4:00 pm87 °FIsolated tstorms. Overcast.91 °F11 mph55%17%0.00" (snow)
0.02" (rain)
5:00 pm85 °FThundershowers. Cloudy.89 °F10 mph58%19%0.00" (snow)
0.02" (rain)
6:00 pm83 °FThunderstorms. Cloudy.86 °F7 mph64%35%0.00" (snow)
0.05" (rain)
7:00 pm80 °FA few tstorms. Overcast.83 °F4 mph73%56%0.00" (snow)
0.03" (rain)
8:00 pm78 °FA few tstorms. Overcast.81 °F2 mph78%72%0.00" (snow)
0.02" (rain)
9:00 pm76 °FThundershowers. Overcast.77 °F3 mph84%72%0.00" (snow)
0.02" (rain)
10:00 pm75 °FPassing showers. Overcast.75 °F4 mph85%56%0.00" (snow)
0.01" (rain)
11:00 pm74 °FPassing showers. Overcast.73 °F6 mph87%37%0.00" (snow)
0.01" (rain)
12:00 am
Thu, Aug 14
74 °FPassing showers. Overcast.73 °F5 mph87%24%0.00" (snow)
0.01" (rain)
1:00 am74 °FIsolated tstorms. Overcast.73 °F5 mph87%10%0.00" (snow)
0.01" (rain)
2:00 am74 °FIsolated tstorms. Overcast.73 °F5 mph87%10%0.00" (snow)
0.00" (rain)
3:00 am73 °FIsolated tstorms. Overcast.72 °F4 mph87%9%0.00" (snow)
0.00" (rain)
4:00 am73 °FIsolated tstorms. Cloudy.71 °F3 mph88%6%0.00" (snow)
0.00" (rain)
5:00 am72 °FCloudy.70 °F2 mph88%3%0.00" (snow)
0.00" (rain)
6:00 am72 °FCloudy.70 °F2 mph89%0%0.00" (snow)
0.00" (rain)
7:00 am73 °FOvercast.71 °F2 mph88%3%0.00" (snow)
0.00" (rain)
8:00 am75 °FOvercast.75 °F1 mph84%4%0.00" (snow)
0.00" (rain)
9:00 am77 °FOvercast.79 °F2 mph80%4%0.00" (snow)
0.00" (rain)
10:00 am79 °FOvercast.82 °F2 mph75%3%0.00" (snow)
0.00" (rain)
11:00 am81 °FOvercast.85 °F3 mph71%2%0.00" (snow)
0.00" (rain)
12:00 pm83 °FOvercast.87 °F3 mph68%3%0.00" (snow)
0.00" (rain)
1:00 pm84 °FOvercast.89 °F3 mph65%3%0.00" (snow)
0.00" (rain)
* Updated Wednesday, August 13, 2025 9:42:24 am Greenwich time - Weather by CustomWeather, © 2025

14 days extended forecast