New York, NY 68° Los Angeles, CA 72° Chicago, IL 66° Houston, TX 79° Miami, FL 78° 🌤️ Phoenix, AZ 🌤️ Seattle, WA Denver, CO 70° 🌤️ Toronto, ON 🌤️ Vancouver, BC
WeatherLive › Pennsylvania › Allentown

Allentown, PA Weather (18105)

ZIP codes: 18105 · 18102 · 18101
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherAllentown · 2:36 AM EDT
83° | 64°
68°F
Feels like 71°
Partly cloudy
WindSE 4 mph · Gusts 15 mph
Precip80% · 2.50 in
Humidity93% · Dew point 66°
UV index7 High
Air Quality39 Good
Pressure29.85 inHg
Visibility6 mi
Sunrise / Sunset6:20 AM · 7:48 PM · 13h 28m

Weather map — Allentown

Full radar →
Now
68°
33%
4 mph
03:00
67°
39%
6 mph
04:00
67°
0.14 in
5 mph
05:00
67°
0.20 in
4 mph
06:00
67°
0.20 in
3 mph
07:00
67°
0.20 in
2 mph
08:00
68°
0.20 in
3 mph
09:00
69°
0.20 in
5 mph
10:00
72°
0.20 in
9 mph
11:00
74°
0.20 in
11 mph
12:00
75°
0.20 in
12 mph
13:00
76°
0.20 in
12 mph
14:00
83°
0.20 in
13 mph
15:00
83°
0.20 in
9 mph
16:00
83°
0.20 in
11 mph
17:00
77°
2%
11 mph
18:00
75°
3%
9 mph
19:00
73°
4%
5 mph
20:00
69°
10%
6 mph
21:00
67°
6%
6 mph
22:00
66°
5%
7 mph
23:00
64°
5%
7 mph
00:00
62°
5%
6 mph
01:00
61°
6%
5 mph

Today · Sun 8/23

High 83°
80% / 2.50 in

Rain. Winds W at 13 mph.

Overnight · Sun 8/23

Low 67°
39% / –

Partly cloudy. Winds E at 6 mph.

Tomorrow · Mon 8/24

74° | 58°
5% / –

Sunny. Winds W at 12 mph.

7-day trend

Allentown · temperature + precipitation

10-day forecast

Updated 2:36 AM

Details & indices

Wind
4 mph SE
Gusts 15 mph
Humidity
93%
Dew point 66°
Pressure
29.85 inHg
Falling
UV index
7 — High
High today
Air Quality
Good
AQI 39 · US EPA
Allergy
Low
Mugwort
Visibility
6 mi
Clear view
Allergy — Allentown

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Low
Ragweed
Low

Sun & moon

Sunrise6:20 AM
Sunset7:48 PM
Length of day13h 28m
Moonrise5:31 PM
Moonset1:26 AM
Moon phase🌔 Waxing Gibbous · 78%
Next full moonAug 28 Sturgeon Moon
Latitude40.6084°N
Longitude-75.4902°E

Water temps nearby

View all →
No beaches within 50 miles
🌦️Dry now — rain moving in around 3:30 AM (53 min)
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Philadelphia
—
—
Pittsburgh
Partly cloudy
66°
Data sources · Sunday, August 23
Where the Allentown forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.6084°N, -75.4902°.
NBM + global weather models
Updated: 2:36 AM
ZIP codes in Allentown
📮
18101
Allentown
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18102
Allentown
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18103
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18104
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18105
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18106
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18109
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18195
Allentown
Weather in Allentown
Allentown's outlook: warmest day near 83° (Sunday), coldest night about 56° (Tuesday). About 6.5 in of precipitation is expected in total; the most likely wet day is Thursday (88% chance). Wind is the one to watch: gusts to 33 mph around Monday. The NWS alert board for this area is currently clear. Right now Allentown is about 6° cooler than nearby Bridgeport. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Allentown, PA · Elev 338 ft · 40.61°N, 75.49°W · Pennsylvania · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 2:36 AM