10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
Monthly weather forecast in Allentown
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
+26
+21
18 August, sun
+26
+21
Feels like
+28
752 mmHg
66%
3.7
m/s
W
18 August, Sunday. day, 26°; night, 21°; rain
19
+26
+21
19 August, mon
+26
+21
Feels like
+27
753 mmHg
64%
4.4
m/s
W
19 August, Monday. day, 26°; night, 21°; clear
20
+27
+21
20 August, tue
+27
+21
Feels like
+28
753 mmHg
64%
4.1
m/s
SW
20 August, Tuesday. day, 27°; night, 21°; clear
21
August
+22
+11
21 August, wed
+22
+11
Feels like
+16
754 mmHg
58%
4.5
m/s
NW
Climate normal
+25
+20
21 August, Wednesday. day, 22°; night, 11°; light rain
22
+24
+12
22 August, thu
+24
+12
Feels like
+20
757 mmHg
57%
3.4
m/s
W
Climate normal
+24
+20
22 August, Thursday. day, 24°; night, 12°; mostly clear
23
+26
+14
23 August, fri
+26
+14
Feels like
+24
760 mmHg
58%
2.2
m/s
W
Climate normal
+25
+19
23 August, Friday. day, 26°; night, 14°; mostly clear
24
+27
+16
24 August, sat
+27
+16
Feels like
+23
759 mmHg
74%
2.9
m/s
W
Climate normal
+25
+20
24 August, Saturday. day, 27°; night, 16°; mostly clear
25
+29
+18
25 August, sun
+29
+18
Feels like
+25
757 mmHg
63%
3.2
m/s
SW
Climate normal
+26
+20
25 August, Sunday. day, 29°; night, 18°; partly cloudy
26
+29
+18
26 August, mon
+29
+18
Feels like
+26
755 mmHg
67%
2.5
m/s
NW
Climate normal
+25
+20
26 August, Monday. day, 29°; night, 18°; light rain
27
+28
+18
27 August, tue
+28
+18
Feels like
+26
754 mmHg
65%
2.9
m/s
E
Climate normal
+24
+20
27 August, Tuesday. day, 28°; night, 18°; light rain
28
+28
+20
28 August, wed
+28
+20
Feels like
+27
754 mmHg
73%
3
m/s
S
Climate normal
+25
+19
28 August, Wednesday. day, 28°; night, 20°; light rain
29
+28
+21
29 August, thu
+28
+21
Feels like
+27
753 mmHg
77%
3
m/s
S
Climate normal
+26
+20
29 August, Thursday. day, 28°; night, 21°; light rain
30
+28
+18
30 August, fri
+28
+18
Feels like
+25
752 mmHg
68%
3.8
m/s
W
Climate normal
+26
+21
30 August, Friday. day, 28°; night, 18°; light rain
31
+26
+17
31 August, sat
+26
+17
Feels like
+22
752 mmHg
63%
4.1
m/s
NW
Climate normal
+27
+21
31 August, Saturday. day, 26°; night, 17°; partly cloudy
1 September
+26
+16
1 September, sun
+26
+16
Feels like
+22
752 mmHg
55%
3.4
m/s
W
Climate normal
+26
+21
1 September, Sunday. day, 26°; night, 16°; partly cloudy
2
+23
+19
2 September, mon
+23
+19
Feels like
+20
751 mmHg
78%
2.8
m/s
SE
Climate normal
+26
+20
2 September, Monday. day, 23°; night, 19°; light rain
3
+25
+18
3 September, tue
+25
+18
Feels like
+25
747 mmHg
89%
1.3
m/s
NW
Climate normal
+24
+20
3 September, Tuesday. day, 25°; night, 18°; rain
4
+27
+18
4 September, wed
+27
+18
Feels like
+23
748 mmHg
79%
2.6
m/s
E
Climate normal
+25
+19
4 September, Wednesday. day, 27°; night, 18°; clear
5
+28
+21
5 September, thu
+28
+21
Feels like
+24
749 mmHg
74%
5
m/s
S
Climate normal
+23
+19
5 September, Thursday. day, 28°; night, 21°; clear
6
+26
+15
6 September, fri
+26
+15
Feels like
+22
750 mmHg
84%
5.3
m/s
NW
Climate normal
+24
+18
6 September, Friday. day, 26°; night, 15°; light rain
7
+15
+15
7 September, sat
+15
+15
Feels like
+13
753 mmHg
96%
4.3
m/s
NE
Climate normal
+25
+19
7 September, Saturday. day, 15°; night, 15°; light rain
8
+20
+17
8 September, sun
+20
+17
Feels like
+19
750 mmHg
96%
2.6
m/s
SE
Climate normal
+23
+19
8 September, Sunday. day, 20°; night, 17°; light rain
9
+26
+17
9 September, mon
+26
+17
Feels like
+22
747 mmHg
72%
3
m/s
W
Climate normal
+23
+19
9 September, Monday. day, 26°; night, 17°; mostly clear
10
+22
+15
10 September, tue
+22
+15
Feels like
+15
750 mmHg
70%
3.2
m/s
N
Climate normal
+23
+18
10 September, Tuesday. day, 22°; night, 15°; clear
11
+25
+15
11 September, wed
+25
+15
Feels like
+21
746 mmHg
89%
5.4
m/s
NW
Climate normal
+22
+18
11 September, Wednesday. day, 25°; night, 15°; rain
12
+20
+12
12 September, thu
+20
+12
Feels like
+12
754 mmHg
69%
3.8
m/s
N
Climate normal
+22
+17
12 September, Thursday. day, 20°; night, 12°; clear
13
+20
+12
13 September, fri
+20
+12
Feels like
+12
758 mmHg
67%
3.3
m/s
SE
Climate normal
+23
+17
13 September, Friday. day, 20°; night, 12°; clear
14
+18
+15
14 September, sat
+18
+15
Feels like
+14
756 mmHg
74%
3
m/s
SE
Climate normal
+23
+18
14 September, Saturday. day, 18°; night, 15°; overcast
15
+21
+18
15 September, sun
+21
+18
Feels like
+18
753 mmHg
83%
3.8
m/s
SE
Climate normal
+21
+18
15 September, Sunday. day, 21°; night, 18°; overcast
16
+22
+21
16 September, mon
+22
+21
Feels like
+21
745 mmHg
98%
5.2
m/s
S
Climate normal
+20
+16
16 September, Monday. day, 22°; night, 21°; rain
17
+23
+16
17 September, tue
+23
+16
Feels like
+17
741 mmHg
75%
7.1
m/s
W
Climate normal
+21
+15
17 September, Tuesday. day, 23°; night, 16°; light rain
18
+14
+8
18 September, wed
+14
+8
Feels like
+7
748 mmHg
63%
7.1
m/s
NW
Climate normal
+22
+17
18 September, Wednesday. day, 14°; night, 8°; partly cloudy
19
+18
+9
19 September, thu
+18
+9
Feels like
+9
754 mmHg
69%
2.7
m/s
SW
Climate normal
+21
+16
19 September, Thursday. day, 18°; night, 9°; clear
Average data for 10 years
Next, the average data for 10 years
20
+22
+16
20 September, fri
+22
+16
Feels like
+22
755 mmHg
68%
3.9
m/s
SE
20 September, Friday. day, 22°; night, 16°; clear
21
+23
+18
21 September, sat
+23
+18
Feels like
+22
755 mmHg
67%
4.3
m/s
NW
21 September, Saturday. day, 23°; night, 18°; partly cloudy
Average for 30 days
16
sunny days
8
days with precipitation
6
cloudy days
16 sunny days; 8 days with precipitation; 6 cloudy days;
73
%
air humidity
3.7
m/s
Wind
W
12
mm of precipitation
(2% of annual average)
air humidity 73%; 12 millimeters of precipitation (2% of annual average); Wind westerly 3.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NW
W
W
W
SW
NW
E
S
S
W
NW
W
SE
NW
E
S
NW
NE
SE
W
N
NW
N
SE
SE
SE
S
W
NW
SW
21
Average data for 10 years
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
17
18
19
Daytime temperature
Night-time temperature
