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Monthly weather forecast in Philadelphia
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
18
August
+36
+22
18 August, sun
+36
+22
Feels like
+33
749 mmHg
59%
3.9
m/s
NW
Climate normal
+30
+24
18 August, Sunday. day, 36°; night, 22°; light rain
19
+33
+19
19 August, mon
+33
+19
Feels like
+33
750 mmHg
52%
3.3
m/s
N
Climate normal
+29
+24
19 August, Monday. day, 33°; night, 19°; mostly clear
20
+32
+18
20 August, tue
+32
+18
Feels like
+30
751 mmHg
51%
2.8
m/s
N
Climate normal
+30
+25
20 August, Tuesday. day, 32°; night, 18°; mostly clear
21
+31
+17
21 August, wed
+31
+17
Feels like
+27
751 mmHg
51%
3.1
m/s
NE
Climate normal
+31
+24
21 August, Wednesday. day, 31°; night, 17°; clear
22
+32
+22
22 August, thu
+32
+22
Feels like
+28
751 mmHg
51%
3.2
m/s
E
Climate normal
+30
+25
22 August, Thursday. day, 32°; night, 22°; clear
23
+32
+21
23 August, fri
+32
+21
Feels like
+28
754 mmHg
51%
3.6
m/s
E
Climate normal
+29
+25
23 August, Friday. day, 32°; night, 21°; mostly clear
24
+32
+20
24 August, sat
+32
+20
Feels like
+28
754 mmHg
51%
3.7
m/s
E
Climate normal
+29
+24
24 August, Saturday. day, 32°; night, 20°; light rain
25
+33
+22
25 August, sun
+33
+22
Feels like
+31
754 mmHg
52%
3.6
m/s
E
Climate normal
+28
+24
25 August, Sunday. day, 33°; night, 22°; overcast
26
+34
+21
26 August, mon
+34
+21
Feels like
+30
753 mmHg
55%
3.4
m/s
E
Climate normal
+29
+23
26 August, Monday. day, 34°; night, 21°; partly cloudy
27
+34
+22
27 August, tue
+34
+22
Feels like
+31
752 mmHg
53%
3.3
m/s
N
Climate normal
+30
+24
27 August, Tuesday. day, 34°; night, 22°; partly cloudy
28
+33
+22
28 August, wed
+33
+22
Feels like
+30
750 mmHg
55%
3.2
m/s
S
Climate normal
+28
+24
28 August, Wednesday. day, 33°; night, 22°; partly cloudy
29
+33
+22
29 August, thu
+33
+22
Feels like
+30
750 mmHg
58%
3.4
m/s
SW
Climate normal
+29
+24
29 August, Thursday. day, 33°; night, 22°; partly cloudy
30
+36
+27
30 August, fri
+36
+27
Feels like
+32
751 mmHg
45%
2.1
m/s
E
Climate normal
+29
+24
30 August, Friday. day, 36°; night, 27°; partly cloudy
31
+32
+28
31 August, sat
+32
+28
Feels like
+30
751 mmHg
50%
1.9
m/s
NE
Climate normal
+30
+24
31 August, Saturday. day, 32°; night, 28°; partly cloudy
1 September
+32
+28
1 September, sun
+32
+28
Feels like
+29
753 mmHg
42%
3.9
m/s
NE
Climate normal
+29
+24
1 September, Sunday. day, 32°; night, 28°; partly cloudy
2
+31
+28
2 September, mon
+31
+28
Feels like
+28
754 mmHg
42%
3
m/s
NE
Climate normal
+30
+24
2 September, Monday. day, 31°; night, 28°; partly cloudy
3
+33
+25
3 September, tue
+33
+25
Feels like
+30
753 mmHg
46%
1.6
m/s
NW
Climate normal
+29
+24
3 September, Tuesday. day, 33°; night, 25°; partly cloudy
4
+34
+24
4 September, wed
+34
+24
Feels like
+30
752 mmHg
59%
1.9
m/s
NW
Climate normal
+28
+23
4 September, Wednesday. day, 34°; night, 24°; partly cloudy
5
+32
+25
5 September, thu
+32
+25
Feels like
+28
752 mmHg
53%
1.3
m/s
E
Climate normal
+28
+22
5 September, Thursday. day, 32°; night, 25°; partly cloudy
6
+32
+24
6 September, fri
+32
+24
Feels like
+28
751 mmHg
51%
1.6
m/s
SE
Climate normal
+29
+22
6 September, Friday. day, 32°; night, 24°; partly cloudy
7
+33
+25
7 September, sat
+33
+25
Feels like
+28
751 mmHg
47%
2.4
m/s
E
Climate normal
+29
+22
7 September, Saturday. day, 33°; night, 25°; partly cloudy
8
+32
+23
8 September, sun
+32
+23
Feels like
+27
753 mmHg
45%
2.4
m/s
NE
Climate normal
+29
+23
8 September, Sunday. day, 32°; night, 23°; partly cloudy
9
+31
+26
9 September, mon
+31
+26
Feels like
+26
754 mmHg
51%
3.7
m/s
NE
Climate normal
+28
+23
9 September, Monday. day, 31°; night, 26°; partly cloudy
10
+32
+27
10 September, tue
+32
+27
Feels like
+27
753 mmHg
45%
4.1
m/s
NE
Climate normal
+28
+23
10 September, Tuesday. day, 32°; night, 27°; partly cloudy
11
+32
+23
11 September, wed
+32
+23
Feels like
+26
752 mmHg
43%
4.2
m/s
NE
Climate normal
+26
+23
11 September, Wednesday. day, 32°; night, 23°; clear
12
+31
+22
12 September, thu
+31
+22
Feels like
+27
752 mmHg
53%
3.4
m/s
E
Climate normal
+26
+21
12 September, Thursday. day, 31°; night, 22°; clear
13
+34
+23
13 September, fri
+34
+23
Feels like
+27
754 mmHg
48%
2.2
m/s
E
Climate normal
+28
+22
13 September, Friday. day, 34°; night, 23°; clear
14
+38
+22
14 September, sat
+38
+22
Feels like
+29
754 mmHg
44%
2.3
m/s
S
Climate normal
+28
+22
14 September, Saturday. day, 38°; night, 22°; clear
15
+39
+27
15 September, sun
+39
+27
Feels like
+31
752 mmHg
50%
1
m/s
S
Climate normal
+28
+22
15 September, Sunday. day, 39°; night, 27°; clear
16
+35
+27
16 September, mon
+35
+27
Feels like
+29
751 mmHg
43%
4.2
m/s
SW
Climate normal
+29
+22
16 September, Monday. day, 35°; night, 27°; clear
Average data for 10 years
Next, the average data for 10 years
17
+28
+23
17 September, tue
+28
+23
Feels like
+30
748 mmHg
74%
4.9
m/s
E
17 September, Tuesday. day, 28°; night, 23°; rain
18
+27
+23
18 September, wed
+27
+23
Feels like
+29
748 mmHg
70%
4.8
m/s
E
18 September, Wednesday. day, 27°; night, 23°; clear
19
+27
+22
19 September, thu
+27
+22
Feels like
+29
748 mmHg
69%
4.6
m/s
NE
19 September, Thursday. day, 27°; night, 22°; rain
20
+27
+22
20 September, fri
+27
+22
Feels like
+28
749 mmHg
63%
5
m/s
NE
20 September, Friday. day, 27°; night, 22°; clear
21
+27
+22
21 September, sat
+27
+22
Feels like
+28
749 mmHg
60%
5.1
m/s
NE
21 September, Saturday. day, 27°; night, 22°; clear
Average for 30 days
11
sunny days
2
days with precipitation
17
cloudy days
11 sunny days; 2 days with precipitation; 17 cloudy days;
50
%
air humidity
2.9
m/s
Wind
E
0.9
mm of precipitation
(1% of annual average)
air humidity 50%; 0.9 millimeters of precipitation (1% of annual average); Wind easterly 2.9 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NW
N
N
NE
E
E
E
E
E
N
S
SW
E
NE
NE
NE
NW
NW
E
SE
E
NE
NE
NE
NE
E
E
S
S
SW
18
Average data for 10 years
19
20
21
22
23
24
25
26
27
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Daytime temperature
Night-time temperature
