Allentown weather live forecast

Today's maximum temperature in Allentown is expected to be 7°C. Select a day from the live weather forecast for Allentown, Pennsylvania, USA for more weather parameters.

Friday
6th Mar
7

4

0

1
Saturday
7th Mar
12

4

0

2
Sunday
8th Mar
17

8

9

5
Monday
9th Mar
21

6

12

4
Tuesday
10th Mar
24

9

5

5

5-day weather forecast updated at 04:01 on Friday 6th March 2026 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 Friday 6th March 2026

Expect mostly cloudy with light rain in Allentown, Pennsylvania with a maximum temperature of 7°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a light breeze of 12 kph from the east.

7
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
39
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
12
kph wind from E

Allentown weather for Saturday 7th March 2026

Expect isolated thunderstorms in Allentown, Pennsylvania with a maximum temperature of 12°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 66% chance of some rain and a light breeze of 10 kph from the south.

12
°C maximum temperature
4
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
66
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
10
kph wind from S

Allentown weather for Sunday 8th March 2026

Expect isolated thunderstorms in Allentown, Pennsylvania with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a gentle breeze of 14 kph from the west.

17
°C maximum temperature
8
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
5
UV index (Moderate)
24
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
14
kph wind from W

Allentown weather for Monday 9th March 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

21
°C maximum temperature
6
°C minimum temperature
scattered clouds
12
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from SW

Allentown weather for Tuesday 10th March 2026

Expect mostly cloudy with light rain in Allentown, Pennsylvania with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a light breeze of 10 kph from the south-west.