Lehigh County, PA Weather Forecast
County weather hub
Partly Sunny
Compare major city weather across Lehigh County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly sunny, with a high near 69. Northwest wind around 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Lehigh County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 10 of 10 mapped cities in Lehigh County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 15 to May 20, 2026
- Latest sync
- May 14, 2026 5:04 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Lehigh County
Tuesday looks like the warmest upcoming period in Lehigh County at 89 degrees F.
Friday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Friday at about 10 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 14, 2026 5:04 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 50. Northwest wind 0 to 5 mph.
Sunny, with a high near 79.
Partly cloudy, with a low around 58.
A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60.
Sunny, with a high near 85.
Mostly clear, with a low around 63.
Sunny, with a high near 89.
A chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
May 15
|
Partly Sunny
|
69°F |
10 mph
NW
|
|
Friday Night
May 15
|
Partly Cloudy
|
50°F |
0 to 5 mph
NW
|
|
Saturday
May 16
|
Sunny
|
79°F |
0 to 10 mph
SW
|
|
Saturday Night
May 16
|
Partly Cloudy
|
58°F |
0 to 10 mph
SW
|
|
Sunday
May 17
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
81°F |
0 to 5 mph
W
|
|
Sunday Night
May 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
60°F |
0 to 5 mph
NW
|
|
Monday
May 18
|
Sunny
|
85°F |
0 to 5 mph
SE
|
|
Monday Night
May 18
|
Mostly Clear
|
63°F |
0 to 5 mph
S
|
|
Tuesday
May 19
|
Sunny
|
89°F |
0 to 10 mph
S
|
|
Tuesday Night
May 19
|
Chance Rain Showers
|
67°F |
0 to 10 mph
SW
|
|
Wednesday
May 20
|
Mostly Sunny then Chance Showers And Thunderstorms
|
86°F |
0 to 10 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Lehigh County.
Coverage
Forecast coverage currently spans 10 of 10 mapped cities in Lehigh County.
Largest mapped city population in this region: 121,470.
