Temperatures will be close to the 90s while rain is possible over the next few days in the Lehigh Valley.
Highs near or at 90 are possible Thursday through Saturday, with Friday being the warmest at 90, according to the National Weather Service in Mount Holly, New Jersey. Additionally, there is a chance of showers and thunderstorms Saturday and Sunday.
There is a 50% chance of rain Saturday night, followed by a 40% chance Sunday.
“The bulk of the precipitation is on Sunday with scattered showers developing along with some thunderstorms as our cold front moves south,” meteorologists wrote Thursday in their daily forecast discussion. “Depending on the timing and how the atmospheric conditions evolve, the potential for an isolated stronger to severe thunderstorm may be possible.”
(1/3) High pressure continues to dominate today. Skies will be sunny and temps will be warm, generally in the upper 80s to near 90. pic.twitter.com/0AkRjqKCF7
— NWS Mount Holly (@NWS_MountHolly) June 4, 2026
Temperatures will drop into the low 80s early next week.
Any rain that comes to the area would be beneficial. Most of the Lehigh Valley remains under moderate drought conditions, according to the U.S. Drought Monitor. The Pennsylvania Department of Environmental Protection has placed Lehigh and Northampton counties under a drought watch.
The start of next week should be clear. Here is the extended forecast from the National Weather Service:
Friday: Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.
Saturday: Mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Sunday: A chance of showers and thunderstorms after 2 p.m. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Monday: Mostly sunny, with a high near 80.
Tuesday: Sunny, with a high near 83.
Wednesday: Mostly sunny, with a high near 88.