Allentown, PA Weather Forecast
Local 7-day forecast
Patchy Fog then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Allentown, PA in one place.
Patchy fog between 7am and 8am. Mostly sunny, with a high near 68. Southwest wind 0 to 10 mph.
Local Weather Overview
This forecast page for Allentown, PA 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: Apr 9, 2026 3:44 PM EDT.
The active forecast window currently covers Apr 10 to Apr 15, 2026 for Allentown, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:44 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Allentown
Wednesday looks like the warmest upcoming period in Allentown at 84 degrees F.
Saturday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Friday at about 0 to 10 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 3:44 PM 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
A slight chance of rain showers between 8pm and 2am. Mostly cloudy, with a low around 45. West wind 5 to 10 mph. Chance of precipitation is 20%.
Sunny, with a high near 61. Northwest wind 5 to 10 mph.
Mostly clear, with a low around 38.
Mostly sunny, with a high near 64.
Mostly cloudy, with a low around 49.
Mostly cloudy, with a high near 76.
Mostly cloudy, with a low around 59.
Mostly sunny, with a high near 82.
Mostly cloudy, with a low around 62.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 84.
A slight chance of rain showers before 2am. Mostly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Patchy Fog then Mostly Sunny
|
68°F |
0 to 10 mph
SW
|
|
Friday Night
Apr 10
|
Slight Chance Rain Showers
|
45°F |
5 to 10 mph
W
|
|
Saturday
Apr 11
|
Sunny
|
61°F |
5 to 10 mph
NW
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
38°F |
0 to 5 mph
N
|
|
Sunday
Apr 12
|
Mostly Sunny
|
64°F |
0 to 10 mph
SE
|
|
Sunday Night
Apr 12
|
Mostly Cloudy
|
49°F |
5 to 10 mph
S
|
|
Monday
Apr 13
|
Mostly Cloudy
|
76°F |
5 to 10 mph
SW
|
|
Monday Night
Apr 13
|
Mostly Cloudy
|
59°F |
5 to 10 mph
SW
|
|
Tuesday
Apr 14
|
Mostly Sunny
|
82°F |
5 to 10 mph
SW
|
|
Tuesday Night
Apr 14
|
Mostly Cloudy
|
62°F |
0 to 10 mph
SW
|
|
Wednesday
Apr 15
|
Partly Sunny then Slight Chance Rain Showers
|
84°F |
0 to 10 mph
W
|
|
Wednesday Night
Apr 15
|
Slight Chance Rain Showers
|
59°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allentown.
