Emmaus, PA Weather

Lehigh County2:18 AM EDT40.54°N, 75.50°WElevation 446 ft
Freeze Watch from 12:00 AM Sat until 9:00 AM Sat

Current conditions

Clear
54°
Clear
Feels like 54°
High 60°·Low 41° tonight
WindN 7 mph
Humidity67%
Dew point43°
Pressure30.17 inHg
Visibility10 mi
Cloud cover10%
UV index0 Low
Sunrise7:22 AM
Sunset6:12 PM

Observed at Allentown, Lehigh Valley International Airport · 1 hr ago

Forecast

10-day

  • Tonight

    Clear, with a low around 41. North wind around 5 mph.

  • Friday

    Sunny, with a high near 60. Northeast wind 5 to 10 mph.

  • Friday Night

    Patchy frost after 1am. Mostly clear, with a low around 32. Northeast wind 0 to 5 mph.

National Weather Service forecast updated 10 hrs ago.

Hourly

Hourly forecast
  1. Now Mostly Clear 47°
  2. 3 AM Clear 46°
  3. 4 AM Clear 45°
  4. 5 AM Clear 44°
  5. 6 AM Sunny 43°
  6. 7 AM Sunny 42°
  7. 8 AM Sunny 42°
  8. 9 AM Sunny 45°
  9. 10 AM Sunny 50°
  10. 11 AM Sunny 54°
  11. 12 PM Sunny 56°
  12. 1 PM Sunny 58°
  13. 2 PM Sunny 59°
  14. 3 PM Sunny 60°
  15. 4 PM Sunny 60°
  16. 5 PM Sunny 60°
  17. 6 PM Mostly Clear 57°
  18. 7 PM Mostly Clear 51°
  19. 8 PM Partly Cloudy 47°
  20. 9 PM Mostly Clear 45°
  21. 10 PM Partly Cloudy 42°
  22. 11 PM Mostly Clear 40°
  23. Sat12 AM Mostly Clear 39°
  24. 1 AM Patchy Frost 37°

10-day forecast

Details
  1. TonightOct 22 Clear Clear41°
  2. TodayOct 23 Sunny Sunny32°60°
  3. SatOct 24 Areas Of Frost then Sunny Areas Of Frost then Sunny34°62°
  4. SunOct 25 Patchy Frost then Sunny Patchy Frost then Sunny37°65°
  5. MonOct 26 Sunny Sunny45°70°
  6. TueOct 27 Sunny Sunny40°65°
  7. WedOct 28 Partly Sunny Partly Sunny43°61°
  8. ThuOct 29 Partly Sunny Partly Sunny65°
  9. FriOct 30 Partly cloudy Partly cloudy50°70°
  10. SatOct 31 Partly cloudy Partly cloudy43°59°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
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Weather news in Pennsylvania

More weather news

Air quality

33
Good
Ozone

Air quality is satisfactory, and air pollution poses little or no risk.

Forecast

  • FriGood (30)
  • SatGood (30)
  • SunGood

Lehigh Valley, PA reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:22 AM
Sunset 6:12 PM
Daylight 10 h 49 min (−2 min 30 s tomorrow)
Waxing Gibbous · 90% lit
Moonrise 4:38 PM Moonset 4:29 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low63° / 41°
Record high85° (1947)
Record low24° (1997)
Wettest1.70 in (1983)
Month to date1.96 in (normal 3.14 in)

Allentown Area, records since 1922. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in PHI, issued 57 min ago

What Has Changed

Updated the Aviation Section for the 06Z TAFs.

Key Messages

1. Post-Tropical Cyclone Josephine located well off the Mid- Atlantic coast will continue to move off to the northeast through the end of the week, with coastal impacts and hazardous marine conditions gradually dwindling.

2. Elevated tide cycles persist due to Post-Tropical Cyclone Josephine well of the coast resulting in widespread minor coastal flooding continuing in Ocean County, NJ and Sussex County, DE.

3. Frost and freeze impacts possible Friday night and Saturday night where the growing season continues.

Discussion

KEY MESSAGE 1...Post-Tropical Cyclone Josephine located well off the Mid-Atlantic coast will continue to move off to the northeast through the end of the week, with coastal impacts and hazardous marine conditions gradually dwindling.

Post-Tropical Cyclone Josephine located well off the Mid- Atlantic coast will continue to move off to the northeast through the end of the week. Impacts will continue to dwindle for our coastal and marine areas. The multi-day north-northeast wind has resulted in elevated seas that will continue to lessen through the end of the week and into the weekend. These big waves breaking onto the beaches will result in some additional beach erosion, especially during the times of high tide. This will continue to lessen each day through the weekend.

An incoming system from the northwest will push across the region tonight, but no precipitation and minimal cloud cover is expected with it. Its main function is to move Josephine away. This is what will help further reduce the marine and coastal impacts, while providing a fresh shot of chilly air. A lingering tight pressure gradient into tonight starts to lessen Friday morning as high pressure builds into the region.

KEY MESSAGE 2...Elevated tide cycles persist due to Post- Tropical Cyclone Josephine well of the coast resulting in widespread minor coastal flooding continuing in Ocean County, NJ and Sussex County, DE.

As Post-Tropical Cyclone Josephine lingers well off the coast elevated tide cycles are persisting some areas.

In Ocean County, New Jersey and Sussex County, Delaware, water levels remain elevated and minor tidal flooding is continuing, particularly in the back bays. In fact a few locations in the back bays came very close to or even touched moderate levels of coastal flooding earlier today with the high tide. It's going to take some time for water levels to diminish in these areas so we've extended the Coastal Flood Advisory for these counties through Friday evening. Elsewhere along the Atlantic coast and Delaware Bay any additional coastal flooding looks to be spotty at most.

Aviation

The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

Thru 12Z this morning...VFR. North winds around 5-10 kt. High confidence.

Today...VFR. North winds around 7-12 kt will become more easterly late in the day. A few gusts up to 15-20 kt possible. High confidence.

Tonight...VFR. Winds northeast around 5 kts. High confidence.

Outlook...

Saturday through Tuesday...VFR. No significant weather expected.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.