| National Weather Service Forecast for:
Bethlehem PA Issued by: National Weather Service Philadelphia, PA |
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| Updated: 4:08 pm EDT Jun 29, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 66. Southwest wind around 5 mph. |
| Tuesday |
Mostly sunny, with a high near 89. Southwest wind 5 to 15 mph. |
| Tuesday Night |
Partly cloudy, with a low around 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. |
| Wednesday |
Sunny, with a high near 95. Heat index values as high as 105. West wind 5 to 15 mph. |
| Wednesday Night |
Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening. |
| Thursday |
Sunny and hot, with a high near 98. |
| Thursday Night |
Clear, with a low around 77. |
| Friday |
A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 101. Chance of precipitation is 30%. |
| Friday Night |
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%. |
| Independence Day |
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 50%. |
| Saturday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%. |
| Sunday |
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%. |
| Sunday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%. |
| Monday |
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Bethlehem PA.
