Allentown, NJ Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Allentown, NJ in one place.
Sunny, with a high near 72. West wind 5 to 15 mph.
Local Weather Overview
This forecast page for Allentown, NJ is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 8, 2026 8:03 PM EDT.
The active forecast window currently covers Oct 9 to Oct 15, 2026 for Allentown, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 9 to Oct 15, 2026
- Latest sync
- Oct 8, 2026 8:03 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Allentown
Tuesday looks like the warmest upcoming period in Allentown at 74 degrees F.
Friday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 8:03 PM EDT
- Coverage
- 7 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 48. Northwest wind 0 to 5 mph.
Mostly sunny, with a high near 72. Northeast wind 0 to 5 mph.
Mostly cloudy, with a low around 54. Southeast wind 0 to 5 mph.
Rain showers likely after 8am. Cloudy, with a high near 69. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers. Cloudy, with a low around 61. Chance of precipitation is 90%.
Rain showers before 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 80%.
Mostly cloudy, with a low around 59.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 74.
A slight chance of rain showers before 2am. Partly cloudy, with a low around 55.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 49.
Mostly sunny, with a high near 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 9
|
Sunny
|
72°F |
5 to 15 mph
W
|
|
Friday Night
Oct 9
|
Partly Cloudy
|
48°F |
0 to 5 mph
NW
|
|
Saturday
Oct 10
|
Mostly Sunny
|
72°F |
0 to 5 mph
NE
|
|
Saturday Night
Oct 10
|
Mostly Cloudy
|
54°F |
0 to 5 mph
SE
|
|
Sunday
Oct 11
|
Rain Showers Likely
|
69°F |
0 to 10 mph
SE
|
|
Sunday Night
Oct 11
|
Rain Showers
|
61°F |
5 to 10 mph
E
|
|
Columbus Day
Oct 12
|
Rain Showers
|
72°F |
5 mph
N
|
|
Monday Night
Oct 12
|
Mostly Cloudy
|
59°F |
0 to 5 mph
NW
|
|
Tuesday
Oct 13
|
Mostly Sunny then Slight Chance Rain Showers
|
74°F |
5 to 10 mph
W
|
|
Tuesday Night
Oct 13
|
Slight Chance Rain Showers
|
55°F |
5 to 10 mph
W
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
65°F |
5 to 10 mph
NW
|
|
Wednesday Night
Oct 14
|
Partly Cloudy
|
49°F |
5 mph
NW
|
|
Thursday
Oct 15
|
Mostly Sunny
|
64°F |
5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allentown.