Allentown weather live forecast

Today's maximum temperature in Allentown is expected to be 4°C. Select a day from the live weather forecast for Allentown, Pennsylvania, USA for more weather parameters.

Sunday
1st Mar
4

-6

5

4
Monday
2nd Mar
2

-7

4

4
Tuesday
3rd Mar
4

-4

0

1
Wednesday
4th Mar
11

3

2

3
Thursday
5th Mar
12

4

0

2

5-day weather forecast updated at 04:02 on Sunday 1st 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 Sunday 1st March 2026

Expect clear skies with flurries of snow in Allentown, Pennsylvania with a maximum temperature of 4°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 49% chance of some snow and a light breeze of 12 kph from the north.

4
°C maximum temperature
-6
°C minimum temperature
clear skies with flurries of snow
5
hours of sunshine
4
UV index (Moderate)
49
% chance of some snow
<2
cm of snow expected
1
°C wind chill
12
kph wind from N

Allentown weather for Monday 2nd March 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 2°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-east.

2
°C maximum temperature
-7
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
°C wind chill
8
kph wind from SE

Allentown weather for Tuesday 3rd March 2026

Expect cloudy with sleet or snow in Allentown, Pennsylvania with a maximum temperature of 4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 99% chance of some sleet or snow and little or no wind of 6 kph from the south-east.

4
°C maximum temperature
-4
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
99
% chance of some sleet or snow
<20
mm of sleet/snow expected
2
°C wind chill
6
kph wind from SE

Allentown weather for Wednesday 4th March 2026

Expect mostly cloudy with rain in Allentown, Pennsylvania with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 50% chance of some rain and little or no wind of 6 kph from the south-east.

11
°C maximum temperature
3
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
3
UV index (Moderate)
50
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
6
kph wind from SE

Allentown weather for Thursday 5th March 2026

Expect overcast with light rain in Allentown, Pennsylvania with a maximum temperature of 12°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and little or no wind of 5 kph from the south-west.