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Lehigh Valley, PA Weather

Updated: Mon Aug 31st 2026 12:45 PM EDT

Light Drizzle

78^°F 26^°C

Feels Like 81^°F / 27^°C

Lehigh Valley, PA weather condition is Light Drizzle and 78°F.

Today's Weather in Lehigh Valley,PA

The current weather in Lehigh Valley PA as of 12:45 PM EDT on Mon Aug 31st 2026, has a sky condition of Light Drizzle with the visibility of 6 mile(s) and the UV index at 4.3. It is 78 degrees fahrenheit but feels like 81 degrees with a forecasted high of 79 and low of 66. The barometric pressure is 30.1 - measured by inches of mercury - and is falling since its last observation. The humidity is 66 percent that's falling since the last report, with a dew point of 66 degrees fahrenheit which is rising. Wind direction is from the South-Southwest at 3.8 miles per hour, gusting at 5.2 miles per hour. Sunrise was at 6:28 AM and Sunset is at 7:36 PM. The moon phase is a Waning Gibbous moon rising at 8:58 PM with 80% illumination. Thank you for listening to the weather report from LocalConditions.com!

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Barometer 30.1 inHg. falling
Humidity 66% falling
Heat Index 81°F
Wind from SSW. 3.8 mph
Wind Gust 5.2 miles per hour
Wind Chill 78°F
UV Index 4.3

Dew Point 66°F rising
Visibility 6 mi.
Sunrise 6:28 AM
Sunset 7:36 PM
Moonrise 8:58 PM
Moonset 10:03 AM
Moon Phase Waning Gibbous Moon 80%

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

5 Day Forecast

Light Drizzle

Light Drizzle with a high of 79°F and a low of 66°F. Probable rainfall forecasted, having an 83% chance with an estimated 0.18in. Winds will be light at 8mph at times. Expect high humidity with levels above 80% to 82%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 79° \| Lo 66°	82%	83% \| est. 0.18in	0%	7.4 mph

Overcast

Overcast with a high of 87°F and a low of 66°F. Probable rainfall forecasted, having a 72% chance with an estimated 0.1in. Winds will be light at 10mph at times. The humidity will be on the higher side, reaching around 79%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 87° \| Lo 66°	79%	72% \| est. 0.1in	0%	9.6 mph

Light Rain Shower

Light Rain Shower with a high of 90°F and a low of 68°F. Probable rainfall forecasted, having an 86% chance with an estimated 0.38in. Winds will be moderate, blowing around 11mph. Expect high humidity with levels above 80% to 85%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 90° \| Lo 68°	85%	86% \| est. 0.38in	0%	10.3 mph

Intermittent Thunderstorms In The Area

Intermittent Thunderstorms In The Area with a high of 84°F and a low of 67°F. Probable rainfall forecasted, having an 84% chance with an estimated 0.2in. Winds will be light at 10mph at times. Expect high humidity with levels above 80% to 86%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 84° \| Lo 67°	86%	84% \| est. 0.2in	0%	9.8 mph

Overcast

Overcast with a high of 83°F and a low of 63°F. 11% possible chance of rain predicted with an estimated 0in. Winds will be moderate, blowing around 13mph. The humidity will be on the higher side, reaching around 69%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 83° \| Lo 63°	69%	11% \| est. 0in	0%	12.1 mph

Yesterday 5-Day 10-Day

Weather Radar Map

Live Lehigh Valley, PA weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Friday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

The current temperature today is 78^°F. The morning temperature of 66°^F is lowest at 7am with the daytime high of 79°^F at 1pm and a low around 69°^F at 9pm is expected.

Hourly Barometric Pressure

The highest pressure today is 30.14^inHg at 11am and lowest being 30.06^inHg at 6pm.

Hourly Wind Speeds

The fastest wind is reported to be 7.4^mph at 5pm, while the slowest is 0.9^mph around 6am; expect wind gusts peaking 15.3^mph at 4pm.

More Weather Charts

Current National Weather

Heavy Rain and Thunderstorms to Impact Great Basin and Gulf Coast 08-31 to 09-02

Updated Mon Aug 31st 2026, 7:09am PDT

Salt Lake City,UT and surrounding areas are in for a wet start to the week. Expect heavy rain and thunderstorms throughout Monday due to monsoon moisture. The risk is high for flash flooding, especially near streams and areas affected by recent fires.

Stormy Weather for the Western Gulf Coast

From Houston,TX to Lake Charles,LA, Tuesday and Wednesday will see heavy rains sparked by low pressure systems. Prepare for localized flooding in urban areas and along roads.

Severe Thunderstorm Alert for the Northeast

Thunderstorms will start on Tuesday across the Buffalo,NY, Philadelphia,PA, and New York,NY areas, possibly bringing lightning, gusty winds, and even hail. There's a chance of isolated tornadoes, so stay alert.

Northwest Rain and Midwest Heat

By Tuesday, rain will reach the Seattle,WA area, spreading inland by Wednesday. Meanwhile, places like St. Louis,MO will experience high temperatures, with heat advisories in effect.

This weather report is relevant for ZIP codes 18001, 18002, and 18003, accurately covering areas of Lehigh Valley, PA.