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I-78 weather conditions near Emmaus, Pennsylvania

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       Current Weather Conditions

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7 day weather forecast

  • Current condition: Mostly Cloudy 74°F 2025-07-14T03:51:00-04:00
  • Overnight 2025-07-14, Chance T-storms. A chance of showers and thunderstorms. Cloudy, with a low around 71. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Monday 2025-07-14, Chance T-storms then T-storms Likely. Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 85. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Monday Night 2025-07-14, T-storms and Patchy Fog then Chance T-storms and Patchy Fog. Showers and thunderstorms, mainly before 9pm. Patchy fog after 9pm. Low around 71. Southeast wind around 5 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
  • Tuesday 2025-07-15, Chance Showers and Patchy Fog then Showers Likely. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 86. North wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
  • Tuesday Night 2025-07-15, Showers Likely then Slight Chance Showers. Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 11pm, then a slight chance of showers after 11pm. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Wednesday 2025-07-16, Chance Showers then Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Wednesday Night 2025-07-16, Showers Likely then Chance T-storms. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
  • Thursday 2025-07-17, Chance Showers then Showers Likely. Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 70%.
  • Thursday Night 2025-07-17, Showers Likely then Chance Showers. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
  • Friday 2025-07-18, Mostly Sunny then Showers Likely. Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
  • Friday Night 2025-07-18, Showers Likely then Partly Cloudy. Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
  • Saturday 2025-07-19, Mostly Sunny then Chance Showers. A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
  • Saturday Night 2025-07-19, Chance Showers then Partly Cloudy. A chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
  • Sunday 2025-07-20, Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.





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