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July 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
30
+27
+21
30 June, sun
+27
+21
Feels like
+29
751 mmHg
62%
3.7
m/s
SW
30 June, Sunday. day, 27°; night, 21°; clear
1
+27
+22
1 July, mon
+27
+22
Feels like
+29
752 mmHg
63%
3.7
m/s
SW
1 July, Monday. day, 27°; night, 22°; partly cloudy
2
+28
+22
2 July, tue
+28
+22
Feels like
+29
753 mmHg
60%
3.9
m/s
SW
2 July, Tuesday. day, 28°; night, 22°; rain
3
+28
+22
3 July, wed
+28
+22
Feels like
+30
753 mmHg
62%
4.1
m/s
SW
3 July, Wednesday. day, 28°; night, 22°; clear
4
+27
+21
4 July, thu
+27
+21
Feels like
+30
754 mmHg
68%
3.9
m/s
SW
4 July, Thursday. day, 27°; night, 21°; partly cloudy
5
+29
+23
5 July, fri
+29
+23
Feels like
+32
752 mmHg
66%
3.9
m/s
SW
5 July, Friday. day, 29°; night, 23°; clear
6
+31
+23
6 July, sat
+31
+23
Feels like
+34
751 mmHg
60%
3.5
m/s
SW
6 July, Saturday. day, 31°; night, 23°; clear
7
+30
+24
7 July, sun
+30
+24
Feels like
+32
751 mmHg
61%
4.1
m/s
SW
7 July, Sunday. day, 30°; night, 24°; partly cloudy
8
+30
+23
8 July, mon
+30
+23
Feels like
+33
752 mmHg
62%
4
m/s
SW
8 July, Monday. day, 30°; night, 23°; clear
9
+28
+23
9 July, tue
+28
+23
Feels like
+30
752 mmHg
67%
3.7
m/s
SW
9 July, Tuesday. day, 28°; night, 23°; partly cloudy
10
+29
+22
10 July, wed
+29
+22
Feels like
+31
753 mmHg
62%
3.7
m/s
SW
10 July, Wednesday. day, 29°; night, 22°; partly cloudy
11
+28
+23
11 July, thu
+28
+23
Feels like
+31
753 mmHg
62%
4
m/s
W
11 July, Thursday. day, 28°; night, 23°; partly cloudy
12
+29
+23
12 July, fri
+29
+23
Feels like
+32
753 mmHg
66%
3.9
m/s
S
12 July, Friday. day, 29°; night, 23°; clear
13
+29
+23
13 July, sat
+29
+23
Feels like
+32
752 mmHg
64%
3.9
m/s
S
13 July, Saturday. day, 29°; night, 23°; rain
14
+29
+22
14 July, sun
+29
+22
Feels like
+31
752 mmHg
64%
3.9
m/s
SW
14 July, Sunday. day, 29°; night, 22°; clear
15
+29
+23
15 July, mon
+29
+23
Feels like
+31
753 mmHg
56%
3.9
m/s
W
15 July, Monday. day, 29°; night, 23°; clear
16
+29
+24
16 July, tue
+29
+24
Feels like
+32
753 mmHg
58%
4
m/s
SW
16 July, Tuesday. day, 29°; night, 24°; clear
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
21
+29
+24
21 July, sun
+29
+24
Feels like
+32
752 mmHg
64%
3.7
m/s
SW
21 July, Sunday. day, 29°; night, 24°; rain
22
+30
+24
22 July, mon
+30
+24
Feels like
+33
751 mmHg
63%
3.7
m/s
SW
22 July, Monday. day, 30°; night, 24°; clear
23
+29
+25
23 July, tue
+29
+25
Feels like
+31
751 mmHg
62%
3.5
m/s
W
23 July, Tuesday. day, 29°; night, 25°; partly cloudy
24
+29
+23
24 July, wed
+29
+23
Feels like
+30
751 mmHg
60%
4.4
m/s
W
24 July, Wednesday. day, 29°; night, 23°; partly cloudy
25
+29
+23
25 July, thu
+29
+23
Feels like
+31
752 mmHg
56%
3.9
m/s
SW
25 July, Thursday. day, 29°; night, 23°; partly cloudy
26
+29
+23
26 July, fri
+29
+23
Feels like
+31
751 mmHg
62%
4.1
m/s
S
26 July, Friday. day, 29°; night, 23°; partly cloudy
27
+29
+23
27 July, sat
+29
+23
Feels like
+32
750 mmHg
67%
3.7
m/s
S
27 July, Saturday. day, 29°; night, 23°; clear
28
+28
+23
28 July, sun
+28
+23
Feels like
+30
751 mmHg
62%
4.4
m/s
NW
28 July, Sunday. day, 28°; night, 23°; partly cloudy
29
+28
+22
29 July, mon
+28
+22
Feels like
+29
752 mmHg
56%
4.1
m/s
NW
29 July, Monday. day, 28°; night, 22°; clear
30
+29
+23
30 July, tue
+29
+23
Feels like
+31
752 mmHg
60%
4
m/s
SW
30 July, Tuesday. day, 29°; night, 23°; clear
31
+28
+22
31 July, wed
+28
+22
Feels like
+31
752 mmHg
64%
3.5
m/s
SW
31 July, Wednesday. day, 28°; night, 22°; rain
1
+28
+22
1 August, thu
+28
+22
Feels like
+31
751 mmHg
62%
3.2
m/s
SW
1 August, Thursday. day, 28°; night, 22°; partly cloudy
2
+28
+23
2 August, fri
+28
+23
Feels like
+31
751 mmHg
68%
3.2
m/s
S
2 August, Friday. day, 28°; night, 23°; clear
3
+29
+22
3 August, sat
+29
+22
Feels like
+31
752 mmHg
61%
4.1
m/s
SW
3 August, Saturday. day, 29°; night, 22°; clear
Average data for 10 years
Dulles July
14
sunny days
5
days with precipitation
12
cloudy days
14 sunny days; 5 days with precipitation; 12 cloudy days;
62
%
air humidity
2.5
m/s
Wind
SW
50
mm of precipitation
(7% of annual average)
air humidity 62%; 50 millimeters of precipitation (7% of annual average); Wind south-westerly 2.5 Meters per second
Weather graphs for July
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
W
S
S
SW
W
SW
SW
SW
SW
SW
SW
SW
W
W
SW
S
S
NW
NW
SW
SW
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Daytime temperature
Night-time temperature
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