Allentown (PA)
Tomorrow
Tomorrow weather in Allentown
Wednesday, August 20th, 2025
21°
Patchy rain possible
The weather tomorrow in Allentown will be much colder than today, with max temperatures up to 20°.
The rain will visit again tomorrow in Allentown and the expected precipitation are 1 mm.
21° / 15°
Temp
83%
Rain
11 km/h
Wind
93%
Humidity
Allentown Weather Pages
Allentown hourly forecast for tomorrow
Scroll right to see more weather forecasts for Allentown tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:17 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 07:52 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  | | | | |  |  |  |  | |  | | | | | | | | | |  | | | | | Next |
| temperatures | 18.9° | 18.4° | 18° | 17.6° | 17.3° | 17° | 16.9° | Sunrise | 17.2° | 17.7° | 18.2° | 18.9° | 19.5° | 19.8° | 20.2° | 20.1° | 20° | 19.9° | 19.1° | 18.4° | 17.8° | Sunset | 16.7° | 15.8° | 16.1° | 15.2° | |
| wind speed | 9 km/h | 7 km/h | 7 km/h | 8 km/h | 8 km/h | 7 km/h | 7 km/h | 8 km/h | 9 km/h | 8 km/h | 7 km/h | 7 km/h | 8 km/h | 6 km/h | 4 km/h | 5 km/h | 8 km/h | 10 km/h | 12 km/h | 10 km/h | 9 km/h | 10 km/h | 9 km/h | 9 km/h | |||
| wind degree | 122° | 106° | 96° | 91° | 80° | 90° | 108° | 116° | 119° | 132° | 137° | 138° | 145° | 143° | 93° | 52° | 62° | 57° | 48° | 43° | 42° | 43° | 37° | 33° | |||
| wind direction | ESE | ESE | E | E | E | E | ESE | ESE | ESE | SE | SE | SE | SE | SE | E | NE | ENE | ENE | NE | NE | NE | NE | NE | NNE | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 1.3 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.1 mm | |||
| chance for rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 100% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 100% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 79% | 81% | 86% | 88% | 89% | 91% | 96% | 97% | 97% | 94% | 95% | 95% | 96% | 96% | 95% | 96% | 96% | 97% | 96% | 96% | 96% | 95% | 94% | 99% | |||
| dew point | 15.1° | 15.2° | 15.5° | 15.5° | 15.5° | 15.6° | 16° | 16.5° | 16.9° | 17.3° | 17.9° | 18.8° | 19.3° | 19.5° | 19.8° | 19.5° | 19.3° | 19.2° | 17.8° | 17.1° | 16.4° | 14.8° | 14° | 16.2° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 2 km | 2 km | 2 km | 9 km | 10 km | 2 km | 2 km | 10 km | 10 km | 10 km | 10 km | 10 km | 0 km | 0 km | 0 km | |||
| cloud cover | 96% | 66% | 76% | 100% | 85% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.3 | 1 | 1.4 | 2 | 1.3 | 1.3 | 2.5 | 2.4 | 1.2 | 0.5 | 0.1 | 0 | 0 | 0 | 0 |
Weather in Allentown tomorrow
The temperature tomorrow in Allentown is expected to be typical for this time of year, with a forecast of 21 °F, closely aligning with the historical average for August 20th.
temperatures
21 °F
rain
1.4 mm
wind
11 km/h
UV
Low
Allentown daylight overview ☀️
Tomorrow in Allentown, The sun rises at 06:17 and sets at 19:52, giving a total daylight duration of 13 hours and 35 minutes.
Quick links
More Allentown weather pages
What to wear tomorrow in Allentown? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Allentown forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
Umbrella
The weather tomorrow in Allentown - FAQ
What is the maximum temperature for tomorrow in Allentown?
The maximum temperature for tomorrow in Allentown is expected to be 21° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Allentown? 🌧️
Yes, there is a 83% chance of rain in Allentown tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Allentown? 🌀
The wind in Allentown is expected to blow at 11 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Allentown tomorrow?
Given the forecast of 21 °F with a 83% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Allentown tomorrow.
What is the sunrise and sunset time for Allentown tomorrow?
The sun is expected to rise at 06:17 and set at 19:52 in Allentown.
How accurate is the weather forecast Allentown tomorrow? ✅
Allentown weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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