| National Weather Service Forecast for:
Bethlehem PA Issued by: National Weather Service Philadelphia, PA |
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| Updated: 4:10 pm EDT Apr 5, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 36. West wind around 5 mph. |
| Monday |
Increasing clouds, with a high near 55. West wind 5 to 10 mph, with gusts as high as 20 mph. |
| Monday Night |
Partly cloudy, with a low around 37. West wind around 5 mph. |
| Tuesday |
Sunny, with a high near 48. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. |
| Tuesday Night |
Mostly clear, with a low around 26. Northwest wind 5 to 10 mph becoming light north after midnight. |
| Wednesday |
Sunny, with a high near 52. |
| Wednesday Night |
Mostly clear, with a low around 31. |
| Thursday |
Mostly sunny, with a high near 61. |
| Thursday Night |
Partly cloudy, with a low around 40. |
| Friday |
Partly sunny, with a high near 71. |
| Friday Night |
Partly cloudy, with a low around 49. |
| Saturday |
Partly sunny, with a high near 73. |
| Saturday Night |
Mostly cloudy, with a low around 49. |
| Sunday |
Partly sunny, with a high near 70. |
Forecast from NOAA-NWS for Bethlehem PA.
