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Hour-by-Hour Forecast for Washington Dulles International Airport, Virginia, USA

Currently: 77 °F. Mostly cloudy. (Weather station: Reagan National Airport, USA). See more current weather

Hour-by-hour Forecast in Washington Dulles International Airport — Graph

°F
Time
Wind
(mph)
Rain/Snow
()
Temp
(°F)
72
74
76
78
80
82
84
86
88
90
92
94
Wednesday, July 9, 2025
0.02
12 am
78
3
0.02
1 am
77
2
0.01
2 am
77
3
3 am
77
3
4 am
76
3
5 am
76
3
6 am
76
2
7 am
76
2
8 am
78
2
9 am
81
2
10 am
83
1
11 am
85
0
12 pm
87
2
1 pm
89
3
2 pm
90
5
3 pm
90
3
4 pm
88
4
0.01
5 pm
86
6
0.04
6 pm
85
6
0.08
7 pm
83
6
0.11
8 pm
81
8
0.1
9 pm
79
6
0.07
10 pm
78
5
0.07
11 pm
77
3
Thursday, July 10, 2025
0.1
12 am
76
4
0.15
1 am
75
4
0.17
2 am
74
5
0.14
3 am
74
5
0.06
4 am
73
5
0.02
5 am
73
5
6 am
73
5
7 am
74
5
8 am
75
5
9 am
76
5
10 am
78
5
11 am
79
5
12 pm
81
4
1 pm
82
4
2 pm
84
3
3 pm
84
3
4 pm
84
2
5 pm
83
2
6 pm
82
2
7 pm
80
3
8 pm
80
4
9 pm
78
4
0.01
10 pm
77
4
0.01
11 pm
76
5
Friday, July 11, 2025
0.01
12 am
76
5
0.01
1 am
75
5
0.01
2 am
74
5
0.01
3 am
74
4
4 am
74
3
5 am
73
3
6 am
73
2
7 am
74
2
8 am
75
3
9 am
78
3
10 am
80
3
11 am
82
4
12 pm
84
4
0.01
1 pm
86
5
0.01
2 pm
87
6
0.01
3 pm
86
5
0.01
4 pm
85
5
0.02
5 pm
84
5
0.01
6 pm
84
3
7 pm
83
2
8 pm
81
4
9 pm
79
3
10 pm
78
3
11 pm
77
3
Saturday, July 12, 2025
12 am
77
3
1 am
76
3
2 am
76
3
3 am
75
2
4 am
75
2
5 am
74
2
6 am
74
2
7 am
75
2
8 am
78
3
9 am
81
3
10 am
85
3
11 am
87
3
12 pm
89
3
1 pm
90
3
2 pm
91
4
0.01
3 pm
90
3
0.01
4 pm
90
3
0.01
5 pm
89
4
0.01
6 pm
87
4
0.01
7 pm
84
4
8 pm
83
6
9 pm
80
4
10 pm
79
2
11 pm
78
3
Sunday, July 13, 2025
12 am
78
1
1 am
77
1
2 am
77
3
3 am
76
3
4 am
76
2
5 am
75
2
6 am
75
2
7 am
76
3
8 am
79
3
9 am
82
5
10 am
85
7
11 am
87
10
12 pm
89
9
1 pm
90
9
2 pm
92
9
3 pm
92
9
4 pm
92
9
5 pm
91
9
6 pm
91
7
7 pm
89
5
8 pm
86
3
9 pm
84
4
10 pm
82
5
0.01
11 pm
81
5
Monday, July 14, 2025
0.01
12 am
79
5
0.01
1 am
78
6
0.01
2 am
77
7
3 am
76
7
4 am
75
6
5 am
74
6
6 am
74
6
7 am
76
6
8 am
78
6
9 am
82
6
10 am
86
6
11 am
87
6
12 pm
89
6
1 pm
91
6
2 pm
93
7
3 pm
92
7
4 pm
89
7
5 pm
87
7
6 pm
88
5
7 pm
87
4
8 pm
85
2
9 pm
83
1
0.01
10 pm
81
1
0.02
11 pm
79
2
Tuesday, July 15, 2025
0.02
12 am
78
1
0.02
1 am
78
2
0.01
2 am
77
3
0.02
3 am
77
3
0.02
4 am
76
3
5 am
75
3
6 am
75
2
0.02
7 am
76
2
0.01
8 am
79
1
9 am
82
1
10 am
86
1
11 am
88
1
12 pm
90
1
1 pm
92
1
2 pm
93
2
3 pm
92
2
4 pm
90
2
5 pm
87
2
6 pm
88
4
7 pm
87
5

Detailed Hourly Forecast — Next 24 hours

Scroll right to see more
 ConditionsComfortPrecipitation
Time TempWeatherFeels LikeWind HumidityChanceAmount
12:00 am
Wed, Jul 9
78 °FA few showers. Broken clouds.81 °F3 mph85%48%0.00" (snow)
0.02" (rain)
1:00 am77 °FA few showers. Mostly cloudy.79 °F2 mph86%46%0.00" (snow)
0.02" (rain)
2:00 am77 °FPassing showers. Mostly cloudy.78 °F3 mph87%43%0.00" (snow)
0.01" (rain)
3:00 am77 °FPassing showers. Broken clouds.78 °F3 mph87%37%0.00" (snow)
0.00" (rain)
4:00 am76 °FPassing showers. Broken clouds.76 °F3 mph89%30%0.00" (snow)
0.00" (rain)
5:00 am76 °FPartly cloudy.76 °F3 mph89%12%0.00" (snow)
0.00" (rain)
6:00 am76 °FPassing showers. Partly cloudy.75 °F2 mph89%22%0.00" (snow)
0.00" (rain)
7:00 am76 °FPassing showers. Partly cloudy.77 °F2 mph88%22%0.00" (snow)
0.00" (rain)
8:00 am78 °FPassing showers. Partly cloudy.81 °F2 mph83%23%0.00" (snow)
0.00" (rain)
9:00 am81 °FPassing showers. Partly cloudy.85 °F2 mph77%21%0.00" (snow)
0.00" (rain)
10:00 am83 °FPassing showers. Scattered clouds.89 °F1 mph71%18%0.00" (snow)
0.00" (rain)
11:00 am85 °FMostly sunny.92 °F0 mph67%7%0.00" (snow)
0.00" (rain)
12:00 pm87 °FMostly sunny.95 °F2 mph62%6%0.00" (snow)
0.00" (rain)
1:00 pm89 °FIsolated tstorms. Partly cloudy.96 °F3 mph58%6%0.00" (snow)
0.00" (rain)
2:00 pm90 °FIsolated tstorms. Mostly cloudy.98 °F5 mph55%6%0.00" (snow)
0.00" (rain)
3:00 pm90 °FIsolated tstorms. Cloudy.97 °F3 mph57%7%0.00" (snow)
0.00" (rain)
4:00 pm88 °FIsolated tstorms. Cloudy.96 °F4 mph61%7%0.00" (snow)
0.00" (rain)
5:00 pm86 °FIsolated tstorms. Overcast.93 °F6 mph65%17%0.00" (snow)
0.01" (rain)
6:00 pm85 °FA few tstorms. Overcast.92 °F6 mph69%27%0.00" (snow)
0.04" (rain)
7:00 pm83 °FThunderstorms. Overcast.90 °F6 mph72%37%0.00" (snow)
0.08" (rain)
8:00 pm81 °FThunderstorms. Overcast.86 °F8 mph79%44%0.00" (snow)
0.11" (rain)
9:00 pm79 °FThunderstorms. Overcast.82 °F6 mph82%49%0.00" (snow)
0.10" (rain)
10:00 pm78 °FThundershowers. Overcast.81 °F5 mph84%50%0.00" (snow)
0.07" (rain)
11:00 pm77 °FThundershowers. Overcast.79 °F3 mph85%49%0.00" (snow)
0.07" (rain)
* Updated Tuesday, July 8, 2025 9:42:29 pm Washington Dulles International Airport time - Weather by CustomWeather, © 2025

14 days extended forecast