Weather Allentown long-term weather forecast
Long-term weather forecast for Allentown for ten days.
Sunday, Jun 21
81 / 61°F
| 0.00 in | 9 mph |
| 61 °F | 61 °F | 2 am | |
| 63 °F | 63 °F | 8 am | |
| 79 °F | 79 °F | 2 pm | |
| 75 °F | 77 °F | 8 pm |
sunrise 5:31 am
sunset 8:36 pm
HOURLY
sunset 8:36 pm
|
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Weather forecast Allentown, Pennsylvania, USA extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sunday 06/21/2026 |
|||||||||||||
| 2 AM
7 AM
| clear | 61 °F 59 °F |
0.0 in | 9 fps 6 mph west |
29.8 in | 66 % | 48 °F | 0 % | 0% | 0% | 0% | 0% | |
| 8 AM
1 PM
| clear | 63 °F 63 °F |
0.00 in | 6 fps 4 mph west-northwest |
29.9 in | 66 % | 50 °F | 4 % | 0% | 0% | 4% | 0% | |
| 2 PM
7 PM
| overcast | 79 °F 79 °F |
0.00 in | 13 fps 9 mph west |
29.8 in | 41 % | 52 °F | 92 % | 0% | 2% | 32% | 87% | |
| 8 PM
1 AM
| cloudy | 75 °F 75 °F |
0.0 in | 6 fps 4 mph north-northwest |
29.8 in | 46 % | 54 °F | 60 % | 0% | 0% | 0% | 59% | |
Monday 06/22/2026 |
|||||||||||||
| 2 AM
7 AM
| overcast | 66 °F 66 °F |
0.0 in | 7 fps 5 mph east-northeast |
29.9 in | 63 % | 52 °F | 100 % | 0% | 0% | 100% | 100% | |
| 8 AM
1 PM
| heavy rain | 66 °F 66 °F |
0.40 in | 9 fps 6 mph east |
29.9 in | 63 % | 54 °F | 100 % | 0% | 1% | 100% | 100% | |
| 2 PM
7 PM
| heavy rain | 64 °F 66 °F |
0.37 in | 13 fps 9 mph east-northeast |
29.8 in | 82 % | 57 °F | 100 % | 0% | 100% | 100% | 94% | |
| 8 PM
1 AM
| rain | 63 °F 66 °F |
0.06 in | 10 fps 7 mph northeast |
29.7 in | 97 % | 61 °F | 100 % | 0% | 100% | 5% | 56% | |
Allentown, Pennsylvania, USA - information
State: Pennsylvania, USAGPS coordinates: 40.6084; -75.4902
Time zone: America / New York
time difference in hours with time in US is -6 hours
Population: 120 207
Altitude: 337 ft
The administrative part:
- Pennsylvania, Harrisburg
- Lehigh County, Allentown
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Weather Allentown, Pennsylvania, USA. Weather forecast for Allentown.
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Data source
Weather forecast for Allentown is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.Weather with Meteobox for your website
Long-term statistical averages
| average | min. | max. | precipit… days |
|
|---|---|---|---|---|
| January | 27 °F | 19 °F | 34 °F | 8 |
| February | 29 °F | 21 °F | 38 °F | 7 |
| March | 39 °F | 30 °F | 49 °F | 8 |
| April | 50 °F | 39 °F | 60 °F | 9 |
| May | 60 °F | 49 °F | 71 °F | 9 |
| June | 69 °F | 59 °F | 80 °F | 9 |
| July | 74 °F | 64 °F | 85 °F | 8 |
| August | 72 °F | 62 °F | 82 °F | 8 |
| September | 65 °F | 54 °F | 75 °F | 7 |
| October | 53 °F | 42 °F | 64 °F | 6 |
| November | 43 °F | 34 °F | 52 °F | 8 |
| December | 32 °F | 24 °F | 39 °F | 8 |
Astronomical information Allentown
data are always in the local timeSun and light
June 21, 2026
| Sunrise: | Sunset: |
| 5:31 am | 8:36 pm |
| Noon: | Length of day: |
| 1:03 pm | 15:05 |
| Start of civil twilight*: | End of civil twilight*: |
| 4:56 am | 9:10 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 4:15 am | 9:52 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 3:25 am | 10:42 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 06/21/2026 12:55 pm | 06/22/2026 12:56 am |
| Next new moon: | Next full moon: |
| 07/14/2026 | 06/30/2026 |
