| National Weather Service Forecast for:
Allentown, PA Issued by: National Weather Service Philadelphia/Mt Holly |
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| Updated: 4:10 pm EDT Oct 10, 2026 | ||||||||||||||||||||||||||||||||||||||||
| Allentown, PA | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly cloudy, with a low around 54. East wind 0 to 5 mph. |
| Sunday |
Rain between 7am and 5pm, then rain and a slight chance of thunderstorms. Cloudy, with a high near 64. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
| Sunday Night |
Rain and a slight chance of thunderstorms before 8pm, then showers and thunderstorms likely between 8pm and 11pm, then a slight chance of showers and thunderstorms between 11pm and midnight, then a chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers and thunderstorms between 3am and 5am. Cloudy, with a low around 59. Northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible. |
| Columbus Day |
Partly sunny, with a high near 73. North wind around 5 mph. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night |
Mostly clear, with a low around 55. Northwest wind 0 to 5 mph. |
| Tuesday |
Mostly sunny, with a high near 74. |
| Tuesday Night |
Partly cloudy, with a low around 61. |
| Wednesday |
Mostly sunny, with a high near 74. |
| Wednesday Night |
Mostly clear, with a low around 53. |
| Thursday |
Mostly sunny, with a high near 67. |
| Thursday Night |
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 51. |
| Friday |
A chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%. |
| Friday Night |
A chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%. |
| Saturday |
A slight chance of rain showers before 8am. Partly sunny, with a high near 60. |
Forecast from NOAA-NWS for Allentown, PA.