National Weather Service United States Department of Commerce

Active pattern for the Pacific Northwest this week while a coastal low takes aim on the Northeast later this week

Thunderstorms with heavy rainfall is forecast to bring 5 to 7 inches of rainfall, with localized heavier amounts, to the Pacific Northwest throughout the week. Across the higher mountain elevations, measurable snow is likely. The Northeast will also be the focus of showers and thunderstorms beginning mid-week as a coastal low meanders of the Mid-Atlantic coast.
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Current Conditions

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Allentown PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

Overnight

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

Low: 51 °F

Tuesday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 66 °F

Tuesday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 46 °F

Wednesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 60 °F

Wednesday
Night

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

Low: 46 °F

Thursday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 57 °F

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 43 °F

Friday

Partly Sunny

Partly
Sunny

High: 58 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 44 °F

Detailed Forecast

  • Overnight Scattered showers. Cloudy, with a steady temperature around 51. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
  • Tuesday Showers likely, mainly after 2pm. Cloudy, with a high near 66. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
  • Tuesday Night Showers likely, mainly after 5am. Cloudy, with a low around 46. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Wednesday Rain likely, mainly before 8am. Cloudy, with a high near 60. North wind 8 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Wednesday Night Rain likely, mainly before 2am. Cloudy, with a low around 46. North wind 13 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
  • Thursday A chance of showers. Cloudy, with a high near 57. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Thursday Night Mostly cloudy, with a low around 43.
  • Friday Partly sunny, with a high near 58.
  • Friday Night Partly cloudy, with a low around 44.
  • Saturday Mostly sunny, with a high near 64.
  • Saturday Night Mostly clear, with a low around 45.
  • Sunday Sunny, with a high near 63.
  • Sunday Night Mostly clear, with a low around 43.
  • Monday Sunny, with a high near 65.