Weather information for the Allentown area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
Monthly average temperatures and precipitation for Allentown are shown below.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 34° | 37° | 48° | 60° | 71° | 80° | 84° | 82° | 75° | 64° | 51° | 38° |
| Avg. Low | 18° | 20° | 28° | 38° | 48° | 58° | 64° | 62° | 54° | 42° | 34° | 24° |
| Daily Avg | 27° | 28° | 38° | 50° | 60° | 68° | 74° | 72° | 65° | 54° | 44° | 32° |
| Avg. Precip. | 3.3 in | 3.0 in | 3.3 in | 3.5 in | 4.3 in | 3.8 in | 4.1 in | 4.3 in | 3.9 in | 2.9 in | 3.9 in | 3.5 in |
| Note: All temperatures are in degrees Fahrenheit. | ||||||||||||
Tonight
Partly Cloudy
Friday
Sunny
Friday Night
Slight Chance Light Snow then Chance Sleet
Saturday
Light Rain
Saturday Night
Slight Chance Light Rain then Mostly Cloudy
Sunday
Light Rain
Detailed Forecast |
|
|---|---|
| Tonight | Partly cloudy, with a low around 25. West wind 0 to 5 mph. |
| Friday | Sunny, with a high near 45. West wind 0 to 5 mph. |
| Friday Night | A slight chance of snow between 10pm and midnight, then a chance of rain and snow between midnight and 3am, then a chance of sleet and rain and snow. Mostly cloudy, with a low around 31. Southeast wind 0 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than half an inch possible. |
| Saturday | Rain. Cloudy, with a high near 48. South wind around 5 mph. Chance of precipitation is 80%. New snow accumulation of less than half an inch possible. |
| Saturday Night | A slight chance of rain before 7pm. Mostly cloudy, with a low around 36. Northwest wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday | Rain after 7am. Cloudy, with a high near 47. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Sunday Night | Rain before 7pm, then a chance of rain showers. Cloudy, with a low around 39. Chance of precipitation is 80%. |
| Monday | A chance of rain showers before 7am. Partly sunny, with a high near 48. Chance of precipitation is 30%. |
| Monday Night | Mostly clear, with a low around 24. |
| Tuesday | Sunny, with a high near 40. |
| Tuesday Night | A slight chance of snow after 1am. Partly cloudy, with a low around 29. |
| Wednesday | A slight chance of snow before 10am, then a slight chance of rain. Partly sunny, with a high near 48. |
| Wednesday Night | A slight chance of rain before 10pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 34. |
| Thursday | A slight chance of snow before 7am, then a slight chance of rain and snow. Partly sunny, with a high near 48. |
