Allentown weather live forecast

Today's maximum temperature in Allentown is expected to be -1°C. Select a day from the live weather forecast for Allentown, Pennsylvania, USA for more weather parameters.

Tuesday
24th Feb
-1

-5

8

3
Wednesday
25th Feb
6

-4

4

3
Thursday
26th Feb
3

-2

0

2
Friday
27th Feb
4

-2

11

3
Saturday
28th Feb
9

-3

11

3

5-day weather forecast updated at 04:02 on Tuesday 24th February 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 Tuesday 24th February 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of -1°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 20 kph from the north-west.

-1
°C maximum temperature
-5
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
cm of snow expected
-6
°C wind chill
20
kph wind from NW

Allentown weather for Wednesday 25th February 2026

Expect mostly cloudy with light snow in Allentown, Pennsylvania with a maximum temperature of 6°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 cm of snow expected with 26% chance of some snow and a gentle breeze of 17 kph from the south-west.

6
°C maximum temperature
-4
°C minimum temperature
mostly cloudy with light snow
4
hours of sunshine
3
UV index (Moderate)
26
% chance of some snow
<2
cm of snow expected
3
°C wind chill
17
kph wind from SW

Allentown weather for Thursday 26th February 2026

Expect mostly cloudy with light snow in Allentown, Pennsylvania with a maximum temperature of 3°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 60% chance of some snow and a light breeze of 8 kph from the north-west.

3
°C maximum temperature
-2
°C minimum temperature
mostly cloudy with light snow
0
hours of sunshine
2
UV index (Low)
60
% chance of some snow
<5
cm of snow expected
1
°C wind chill
8
kph wind from NW

Allentown weather for Friday 27th February 2026

Expect clear skies in Allentown, Pennsylvania with a maximum temperature of 4°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

4
°C maximum temperature
-2
°C minimum temperature
clear skies
11
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
2
°C wind chill
7
kph wind from N

Allentown weather for Saturday 28th February 2026

Expect clear skies in Allentown, Pennsylvania with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.