Allentown weather live forecast

Today's maximum temperature in Allentown is expected to be 0°C. Select a day from the live weather forecast for Allentown, Pennsylvania, USA for more weather parameters.

Tuesday
3rd Feb
0

-10

3

2
Wednesday
4th Feb
-1

-9

10

2
Thursday
5th Feb
-2

-11

10

2
Friday
6th Feb
-1

-12

1

2
Saturday
7th Feb
-5

-15

10

2

5-day weather forecast updated at 04:01 on Tuesday 3rd 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 3rd February 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 0°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 11 kph from the west.

0
°C maximum temperature
-10
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-3
°C wind chill
11
kph wind from W

Allentown weather for Wednesday 4th February 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of -1°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 10 kph from the north-west.

-1
°C maximum temperature
-9
°C minimum temperature
scattered clouds
10
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-5
°C wind chill
10
kph wind from NW

Allentown weather for Thursday 5th February 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of -2°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 10 kph from the north-west.

-2
°C maximum temperature
-11
°C minimum temperature
scattered clouds
10
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-5
°C wind chill
10
kph wind from NW

Allentown weather for Friday 6th February 2026

Expect mostly cloudy with light snow in Allentown, Pennsylvania with a maximum temperature of -1°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 76% chance of some snow and a gentle breeze of 15 kph from the south-west.

-1
°C maximum temperature
-12
°C minimum temperature
mostly cloudy with light snow
1
hour of sunshine
2
UV index (Low)
76
% chance of some snow
<2
cm of snow expected
-6
°C wind chill
15
kph wind from SW

Allentown weather for Saturday 7th February 2026

Expect clear skies with flurries of snow in Allentown, Pennsylvania with a maximum temperature of -5°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0-2 cm of snow expected with 5% chance of some snow and a moderate breeze of 25 kph from the north-west.