Allentown weather live forecast

Today's maximum temperature in Allentown is expected to be 14°C. Select a day from the live weather forecast for Allentown, Pennsylvania, USA for more weather parameters.

Saturday
25th Oct
14

5

7

3
Sunday
26th Oct
12

4

5

3
Monday
27th Oct
12

4

1

2
Tuesday
28th Oct
13

3

0

3
Wednesday
29th Oct
13

4

0

3

5-day weather forecast updated at 04:01 on Saturday 25th October 2025 GMT

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The 5-day weather forecast for Pennsylvania (Allentown) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Allentown weather forecast by day

Below are the detailed weather forecasts for Allentown for the next 5 days.

Allentown weather for Saturday 25th October 2025

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

14
°C maximum temperature
5
°C minimum temperature
scattered clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
14
°C wind chill
8
kph wind from NW

Allentown weather for Sunday 26th October 2025

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

12
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from N

Allentown weather for Monday 27th October 2025

Expect overcast skies in Allentown, Pennsylvania with a maximum temperature of 12°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-east.

12
°C maximum temperature
4
°C minimum temperature
overcast skies
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from NE

Allentown weather for Tuesday 28th October 2025

Expect overcast skies in Allentown, Pennsylvania with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

13
°C maximum temperature
3
°C minimum temperature
overcast skies
0
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
16
kph wind from NE

Allentown weather for Wednesday 29th October 2025

13
°C maximum temperature
4
°C minimum temperature
overcast skies
0
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from NE

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Metric (°C / mm) | Imperial (°F / inches)

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Pennsylvania - quick facts
Flight time^✝	8 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Culture
Tourist info	Pennsylvania Department of Community & Economic Development