Lehigh Valley, PA Weather Tomorrow

Need tomorrow's weather for Lehigh Valley? This 5 day forecast provides daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Lehigh Valley area.
Updated: Sat Aug 29th 2026 6:45 PM EDT
Lehigh Valley, PA Weather – 8-29 – Sunny
81° / 55°
Sunny
Lehigh Valley is set for sunshine with temperatures peaking at 81°F and dipping to 55°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 6mph and gusts of 3.2mph at 8 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 77% at 11 PM and 68% being its lowest at 8 PM. Barometric pressure is its highest of 30.19inHg at 10 PM, a lowest point of 30.16inHg at 8 PM with an avg 30.18inHg.
Lehigh Valley, PA Weather – 8-30 – Scattered Showers
83° / 62°

Weather Tomorrow

Scattered Showers
Showers likely at times in Lehigh Valley, with a high of 83°F and a low of 62°F. Rainfall predicted to have a 60% chance with an estimated 0.05in. Wind will be moderate, blowing around 12mph on average and gusts of 19.5mph at 7 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 92% at 11 PM and 53% being its lowest at 4 PM. Barometric pressure is its highest of 30.2inHg at 8 AM, a lowest point of 30.04inHg at 5 PM with an avg 30.13inHg.
Lehigh Valley, PA Weather – 8-31 – Scattered Showers
83° / 66°
Scattered Showers
Highs will reach 83°F with lows near 66°F in Lehigh Valley, where passing showers are. Rainfall predicted to have a 56% chance with an estimated 0.03in. Winds will be light at 10mph and gusts of 14.6mph at 3 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 93% at 1 AM and 53% being its lowest at 1 PM. Barometric pressure is its highest of 30.09inHg at 11 AM, a lowest point of 30.02inHg at 5 PM with an avg 30.06inHg.
Lehigh Valley, PA Weather – 9-1 – Overcast
84° / 66°
Overcast
In Lehigh Valley, overcast is likely with a high near 84°F and a low around 66°F. The chance of rain is 77% with an estimated 0.1in. Wind will be moderate, blowing around 11mph on average and gusts of 17.7mph at 12 PM. High humidity with average of 84% is anticipated, the maximum being 96% at 10 PM and 62% being its lowest at 5 PM. Barometric pressure is its highest of 30.09inHg at 10 PM, a lowest point of 29.92inHg at 5 PM with an avg 30inHg.
Lehigh Valley, PA Weather – 9-2 – Light Rain Shower
87° / 66°
Light Rain Shower
Rain is in the forecast for Lehigh Valley, with a high of 87°F and a low of 66°F. The chance of rain is 91% with an estimated 0.78in. Winds will be light at 9mph and gusts of 18.3mph at 9 PM. High humidity with average of 92% is anticipated, the maximum being 99% at 10 PM and 67% being its lowest at 2 PM. Barometric pressure is its highest of 30.06inHg at 12 AM, a lowest point of 29.89inHg at 8 PM with an avg 30inHg.
Lehigh Valley, PA Weather – 9-3 – Light Rain Shower
83° / 68°
Light Rain Shower
Lehigh Valley is set for rain with temperatures peaking at 83°F and dipping to 68°F. The chance of rain is 83% with an estimated 0.32in. Wind will be moderate, blowing around 13mph on average and gusts of 19.9mph at 12 AM. High humidity with average of 85% is anticipated, the maximum being 99% at 1 AM and 63% being its lowest at 5 PM. Barometric pressure is its highest of 30.04inHg at 12 AM, a lowest point of 29.81inHg at 5 PM with an avg 29.88inHg.

Currently

Sunny 76°F
30.15 inHg.
Barometer
49%
Humidity
SW 9.7 mph
Wind
Sunny

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