Allentown, Pennsylvania weather
United States · America/New_York · 40.61, -75.49
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Allentown, PA Weather Today
Current conditions, hourly and 7 day forecast, official severe weather alerts, and air quality for Allentown, Pennsylvania. Every section shows where the data came from and when it was last checked.
Your briefing
Allentown, Pennsylvania
- Right now
- No official warning for this location. 73° and mainly clear.Observed
- Next few hours
- Light rain expected around 7:00 PM.Forecast
- Your day
- Take an umbrella.Our reading
- Evening commute: rain may affect travel.Our reading
What happens next
- NowMainly clearObserved
- NextLight rain expected around 7:00 PM.Forecast
- ThenLight rain expected around evening travel time, near 7:00 PM.Forecast
- AfterConditions forecast to improve after about 10:00 PM.Forecast
Official warnings for this location come from NOAA / National Weather Service. Lines marked Our reading are WeatherSignal’s reading of the measurements and forecast, not an official statement.
Allentown, Pennsylvania
73°
Mainly clear
Feels like 73° · High 78° · Low 65°
Partly cloudy sky here right now. Nothing falling.
Mild and partly cloudy this evening. 73° right now. Sunset is at 2:00 PM. Temperatures hold fairly steady for the next few hours.
- Sunset 2:00 PM
- Overnight low 65°
- Rain this evening 0%
Next few hours
Now
73°
—
1 PM
73°
—
2 PM
77°
—
3 PM
78°
—
4 PM
75°
—
- Rain chance
- 0%
- Wind
- 13 mph SW
- Humidity
- 75%
- Air quality
- No reading
Source updated: 5:08:08 PM · WeatherSignal checked: 5:08:08 PM
What matters today
Six quick answers for Allentown. Tap Why? on any of them to see the reasoning.
Umbrella
Nah (Good)
Best time
1 PM (Good)
Dog walk
1 PM (Good)
Car wash
Wait (Not good)
Cookout
Green light (Good)
Windows
Roll 'em down (Good)
Today's Signal
Excellent day
85/100
Mostly favorable, but the humidity and poor visibility will make it less comfortable outside.
Dew point 65° · Visibility 0.0 mi
Today is about 18° warmer than the rest of the week.
See exactly how this number was worked out
Every location starts at 100. Points come off for heat, cold, rain, wind, UV, humidity, poor visibility, and any official alert. Nothing is ever added back.
- Starting score100
- Dew point 65°: muggy-5
- Visibility 0.0 mi-10
- Final Signal85
Next 12 hours
Steady conditions, but the temperature swings about 19° across the next 12 hours.
- 2 PMSunset
- 3 PMWarmest stretch · 78°
- 12 AMCoolest stretch · 59°
- 1 PM—73 degrees, 0 percent chance of rain
- 2 PM—77 degrees, 0 percent chance of rain
- 3 PM—78 degrees, 0 percent chance of rain
- 4 PM—75 degrees, 0 percent chance of rain
- 5 PM—69 degrees, 0 percent chance of rain
- 6 PM—68 degrees, 0 percent chance of rain
- 7 PM—65 degrees, 0 percent chance of rain
- 8 PM—64 degrees, 0 percent chance of rain
- 9 PM—63 degrees, 0 percent chance of rain
- 10 PM—62 degrees, 0 percent chance of rain
- 11 PM—60 degrees, 0 percent chance of rain
- 12 AM—59 degrees, 0 percent chance of rain
The line is temperature by hour. The number under each hour is the chance of rain. Scroll sideways for the full 12 hours.
Next change
Conditions gradually ease off this evening
Temperatures fall from about 73° to 59° over the next 12 hours. There is no meaningful rain signal in the next several hours.
WeatherSignal NOW: Allentown, Pennsylvania
One number for everything happening around you, from 0 to 100.
96
NORMAL
Nothing here needs your attention right now.
Tap any line to see exactly what added or subtracted points. Every rule is published on our methodology page. This is an informational signal, not a safety rating: official warnings always come first.
What this means
Generated from the forecast values above using fixed rules: not an AI guess.
- No significant precipitation is expected in the next 24 hours.
Next 24 hours
Will it rain during your commute? When does the storm arrive?
See all 48 hours (2 days) — free
| Time | Condition | Temp | Feels | Precip % | Amount | Wind | Humidity |
|---|---|---|---|---|---|---|---|
| 1 PM | Mainly clear | 73° | 73° | 0% | 0.00″ | 13 SW | 75% |
| 2 PM | Clear sky | 77° | 77° | 0% | 0.00″ | 12 SSW | 73% |
| 3 PM | Light rain | 78° | 78° | 0% | 0.02″ | 12 SSW | 71% |
| 4 PM | Heavy rain | 75° | 75° | 0% | 0.26″ | 13 SW | 79% |
| 5 PM | Heavy rain | 69° | 69° | 0% | 0.09″ | 13 W | 95% |
| 6 PM | Overcast | 68° | 68° | 0% | 0.00″ | 12 W | 94% |
| 7 PM | Partly cloudy | 65° | 65° | 0% | 0.00″ | 12 WNW | 85% |
| 8 PM | Mainly clear | 64° | 64° | 0% | 0.00″ | 11 WNW | 78% |
| 9 PM | Mainly clear | 63° | 63° | 0% | 0.00″ | 13 WNW | 73% |
| 10 PM | Partly cloudy | 62° | 62° | 0% | 0.00″ | 12 NW | 73% |
| 11 PM | Overcast | 60° | 60° | 0% | 0.00″ | 10 NW | 71% |
| 12 AM | Overcast | 59° | 59° | 0% | 0.00″ | 11 NNW | 70% |
| 1 AM | Overcast | 57° | 54° | 0% | 0.00″ | 12 N | 71% |
| 2 AM | Partly cloudy | 55° | 52° | 0% | 0.00″ | 11 NNW | 68% |
| 3 AM | Overcast | 53° | 50° | 0% | 0.00″ | 11 NNW | 68% |
| 4 AM | Overcast | 52° | 49° | 0% | 0.00″ | 10 NNW | 65% |
| 5 AM | Overcast | 52° | 48° | 0% | 0.00″ | 11 NNW | 62% |
| 6 AM | Partly cloudy | 51° | 46° | 0% | 0.00″ | 11 NNW | 59% |
| 7 AM | Partly cloudy | 49° | 44° | 0% | 0.00″ | 12 NNW | 59% |
| 8 AM | Overcast | 48° | 43° | 0% | 0.00″ | 11 N | 63% |
| 9 AM | Overcast | 49° | 44° | 0% | 0.00″ | 11 NNW | 61% |
| 10 AM | Overcast | 50° | 45° | 0% | 0.00″ | 13 N | 55% |
| 11 AM | Overcast | 50° | 44° | 0% | 0.00″ | 13 NNW | 55% |
| 12 PM | Overcast | 50° | 45° | 0% | 0.00″ | 14 NNW | 53% |
7-day forecast
Confidence decreases the further out you look.
Today
Heavy rain
78° / 65°
- Precip:
- 0% · 0.38″
- Wind:
- 13 mph
- UV:
- 4.7
- Sun:
- 2 AM to 2 PM
Sat, Oct 17
Overcast
64° / 45°
- Precip:
- 0% · 0.00″
- Wind:
- 14 mph
- UV:
- 4.1
- Sun:
- 2 AM to 2 PM
Sun, Oct 18
Clear sky
57° / 35°
- Precip:
- 0% · 0.00″
- Wind:
- 10 mph
- UV:
- 4.2
- Sun:
- 2 AM to 2 PM
Mon, Oct 19
Clear sky
57° / 41°
- Precip:
- 0% · 0.00″
- Wind:
- 8 mph
- UV:
- 0.0
- Sun:
- 2 AM to 2 PM
Tue, Oct 20
Clear sky
67° / 46°
- Precip:
- 0% · 0.00″
- Wind:
- 9 mph
- UV:
- 0.0
- Sun:
- 2 AM to 2 PM
Lower confidence: long-range outlook, not a certainty.
Wed, Oct 21
Clear sky
62° / 51°
- Precip:
- 0% · 0.00″
- Wind:
- 12 mph
- UV:
- 0.0
- Sun:
- 2 AM to 2 PM
Lower confidence: long-range outlook, not a certainty.
Thu, Oct 22
Clear sky
56° / 50°
- Precip:
- 0% · 0.00″
- Wind:
- 10 mph
- UV:
- 0.0
- Sun:
- 2 AM to 2 PM
Lower confidence: long-range outlook, not a certainty.
Forecasts describe likely conditions, not guaranteed outcomes. Official warnings from your national weather service always take precedence over anything shown here.
Allentown hourly weather
Hour by hour, out to eight days ahead.
Allentown 7 day forecast
Highs, lows and rain chance for the week.
Air quality detail
Pollutants, category, and official guidance.