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Monthly weather forecast in Dulles
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
16
+26
+21
16 June, sun
+26
+21
Feels like
+28
752 mmHg
70%
3.9
m/s
S
16 June, Sunday. day, 26°; night, 21°; rain
17
June
+33
+21
17 June, mon
+33
+21
Feels like
+33
756 mmHg
58%
4.2
m/s
S
Climate normal
+26
+20
17 June, Monday. day, 33°; night, 21°; clear
18
+33
+19
18 June, tue
+33
+19
Feels like
+32
759 mmHg
55%
4.2
m/s
S
Climate normal
+26
+20
18 June, Tuesday. day, 33°; night, 19°; clear
19
+32
+20
19 June, wed
+32
+20
Feels like
+32
761 mmHg
58%
3.5
m/s
S
Climate normal
+27
+20
19 June, Wednesday. day, 32°; night, 20°; clear
20
+32
+19
20 June, thu
+32
+19
Feels like
+32
762 mmHg
62%
3
m/s
S
Climate normal
+28
+21
20 June, Thursday. day, 32°; night, 19°; mostly clear
21
+34
+22
21 June, fri
+34
+22
Feels like
+31
758 mmHg
50%
2.9
m/s
S
Climate normal
+29
+23
21 June, Friday. day, 34°; night, 22°; partly cloudy
22
+35
+23
22 June, sat
+35
+23
Feels like
+32
754 mmHg
52%
3.3
m/s
SW
Climate normal
+29
+23
22 June, Saturday. day, 35°; night, 23°; partly cloudy
23
+33
+24
23 June, sun
+33
+24
Feels like
+31
749 mmHg
60%
4.9
m/s
SW
Climate normal
+28
+22
23 June, Sunday. day, 33°; night, 24°; partly cloudy
24
+30
+19
24 June, mon
+30
+19
Feels like
+27
751 mmHg
51%
4.8
m/s
NW
Climate normal
+28
+22
24 June, Monday. day, 30°; night, 19°; light rain
25
+30
+20
25 June, tue
+30
+20
Feels like
+27
754 mmHg
52%
3.6
m/s
N
Climate normal
+28
+21
25 June, Tuesday. day, 30°; night, 20°; partly cloudy
26
+31
+19
26 June, wed
+31
+19
Feels like
+28
753 mmHg
64%
4.2
m/s
SW
Climate normal
+27
+21
26 June, Wednesday. day, 31°; night, 19°; rain
27
+28
+17
27 June, thu
+28
+17
Feels like
+24
753 mmHg
58%
4.8
m/s
NW
Climate normal
+28
+21
27 June, Thursday. day, 28°; night, 17°; light rain
28
+28
+17
28 June, fri
+28
+17
Feels like
+24
754 mmHg
56%
4
m/s
NE
Climate normal
+29
+21
28 June, Friday. day, 28°; night, 17°; light rain
29
+27
+24
29 June, sat
+27
+24
Feels like
+29
744 mmHg
88%
3.8
m/s
S
Climate normal
+28
+22
29 June, Saturday. day, 27°; night, 24°; rain
30
+29
+23
30 June, sun
+29
+23
Feels like
+30
742 mmHg
88%
2.9
m/s
SW
Climate normal
+27
+21
30 June, Sunday. day, 29°; night, 23°; rain
1 July
+28
+23
1 July, mon
+28
+23
Feels like
+31
743 mmHg
91%
2.1
m/s
SW
Climate normal
+27
+22
1 July, Monday. day, 28°; night, 23°; rain
2
+28
+22
2 July, tue
+28
+22
Feels like
+30
745 mmHg
91%
3
m/s
E
Climate normal
+28
+22
2 July, Tuesday. day, 28°; night, 22°; rain
3
+26
+16
3 July, wed
+26
+16
Feels like
+25
746 mmHg
81%
3.8
m/s
E
Climate normal
+28
+22
3 July, Wednesday. day, 26°; night, 16°; mostly clear
4
+29
+18
4 July, thu
+29
+18
Feels like
+26
744 mmHg
70%
2.6
m/s
E
Climate normal
+27
+21
4 July, Thursday. day, 29°; night, 18°; clear
5
+32
+22
5 July, fri
+32
+22
Feels like
+28
743 mmHg
67%
1.7
m/s
SW
Climate normal
+29
+23
5 July, Friday. day, 32°; night, 22°; partly cloudy
6
+32
+21
6 July, sat
+32
+21
Feels like
+30
745 mmHg
63%
3.1
m/s
SE
Climate normal
+31
+23
6 July, Saturday. day, 32°; night, 21°; mostly clear
7
+31
+24
7 July, sun
+31
+24
Feels like
+29
745 mmHg
77%
3.7
m/s
S
Climate normal
+30
+24
7 July, Sunday. day, 31°; night, 24°; light rain
8
+30
+25
8 July, mon
+30
+25
Feels like
+31
743 mmHg
86%
2.9
m/s
SW
Climate normal
+30
+23
8 July, Monday. day, 30°; night, 25°; rain
9
+34
+23
9 July, tue
+34
+23
Feels like
+33
745 mmHg
74%
2.2
m/s
NE
Climate normal
+28
+23
9 July, Tuesday. day, 34°; night, 23°; rain
10
+28
+16
10 July, wed
+28
+16
Feels like
+23
749 mmHg
59%
4.6
m/s
E
Climate normal
+29
+22
10 July, Wednesday. day, 28°; night, 16°; clear
11
+30
+23
11 July, thu
+30
+23
Feels like
+27
749 mmHg
75%
2.9
m/s
SE
Climate normal
+28
+23
11 July, Thursday. day, 30°; night, 23°; light rain
12
+31
+23
12 July, fri
+31
+23
Feels like
+29
745 mmHg
82%
5.2
m/s
SW
Climate normal
+29
+23
12 July, Friday. day, 31°; night, 23°; rain
13
+30
+20
13 July, sat
+30
+20
Feels like
+28
747 mmHg
70%
3
m/s
NW
Climate normal
+29
+23
13 July, Saturday. day, 30°; night, 20°; clear
14
+35
+24
14 July, sun
+35
+24
Feels like
+31
747 mmHg
56%
2.4
m/s
S
Climate normal
+29
+22
14 July, Sunday. day, 35°; night, 24°; clear
15
+35
+26
15 July, mon
+35
+26
Feels like
+30
745 mmHg
54%
4.4
m/s
S
Climate normal
+29
+23
15 July, Monday. day, 35°; night, 26°; clear
16
+36
+26
16 July, tue
+36
+26
Feels like
+31
742 mmHg
57%
3.9
m/s
W
Climate normal
+29
+24
16 July, Tuesday. day, 36°; night, 26°; clear
Average data for 10 years
Next, the average data for 10 years
17
+30
+24
17 July, wed
+30
+24
Feels like
+32
753 mmHg
56%
3.7
m/s
SW
17 July, Wednesday. day, 30°; night, 24°; clear
18
+31
+24
18 July, thu
+31
+24
Feels like
+34
752 mmHg
58%
3.5
m/s
SW
18 July, Thursday. day, 31°; night, 24°; rain
19
+30
+24
19 July, fri
+30
+24
Feels like
+33
752 mmHg
60%
3.4
m/s
SW
19 July, Friday. day, 30°; night, 24°; clear
20
+29
+24
20 July, sat
+29
+24
Feels like
+32
752 mmHg
64%
3.5
m/s
SW
20 July, Saturday. day, 29°; night, 24°; partly cloudy
Average for 30 days
15
sunny days
10
days with precipitation
5
cloudy days
15 sunny days; 10 days with precipitation; 5 cloudy days;
67
%
air humidity
3.5
m/s
Wind
S
16
mm of precipitation
(2% of annual average)
air humidity 67%; 16 millimeters of precipitation (2% of annual average); Wind southerly 3.5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
S
S
S
SW
SW
NW
N
SW
NW
NE
S
SW
SW
E
E
E
SW
SE
S
SW
NE
E
SE
SW
NW
S
S
W
17
Average data for 10 years
18
19
20
21
22
23
24
25
26
27
28
29
30
1
July
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Daytime temperature
Night-time temperature
