As of 07:01 CDT

Weather in Allentown, IL

45°

Allentown, Tuesday, 20 October, 07:01

Clear. Feels like 45°. High 72°, low 44°.

Pressure30.36 inHg

Wind2.5 mph E

Humidity90%

Visibility6.2 mi

Dew point42°

See detailed hourly forecast

Wed, 2173° / 43°

73 °

Allentown, Wednesday, 21 October

Clear. High 73°, low 43°.

Pressure30.27 inHg

Wind2.4 mph SW

Humidity49%

Visibility6.2 mi

Dew point47°

Thu, 2271° / 51°

71 °

Allentown, Thursday, 22 October

Clear. High 71°, low 51°.

Pressure30.30 inHg

Wind1.1 mph NW

Humidity53%

Visibility6.2 mi

Dew point51°

Fri, 2369° / 51°

69 °

Allentown, Friday, 23 October

Clear. High 69°, low 51°.

Pressure30.33 inHg

Wind6.7 mph SE

Humidity53%

Visibility6.2 mi

Dew point50°

Sat, 2470° / 50°

70 °

Allentown, Saturday, 24 October

Overcast. High 70°, low 50°.

Pressure30.36 inHg

Wind8.1 mph S

Humidity49%

Visibility—

Dew point46°

Sun, 2575° / 54°

75 °

Allentown, Sunday, 25 October

Partly cloudy. High 75°, low 54°.

Pressure30.36 inHg

Wind6.9 mph S

Humidity49%

Visibility—

Dew point49°

Mon, 2670° / 51°

0.03

70 °

Allentown, Monday, 26 October

Light rain. High 70°, low 51°.

Pressure30.15 inHg

Wind15.3 mph SW

Humidity35%

Visibility—

Dew point39°

Tue, 2752° / 38°

0.01

52 °

Allentown, Tuesday, 27 October

Light rain. High 52°, low 38°.

Pressure30.39 inHg

Wind16.9 mph NW

Humidity37%

Visibility—

Dew point25°

Wed, 2843° / 28°

43 °

Allentown, Wednesday, 28 October

Clear. High 43°, low 28°.

Pressure30.53 inHg

Wind10.7 mph N

Humidity26%

Visibility—

Dew point7°

Thu, 2951° / 29°

51 °

Allentown, Thursday, 29 October

Partly cloudy. High 51°, low 29°.

Pressure30.21 inHg

Wind13 mph SW

Humidity27%

Visibility—

Dew point14°

Fri, 3054° / 42°

0.02

54 °

Allentown, Friday, 30 October

Light rain. High 54°, low 42°.

Pressure30.06 inHg

Wind9.4 mph SW

Humidity55%

Visibility—

Dew point35°

Sat, 3157° / 45°

57 °

Allentown, Saturday, 31 October

Clear. High 57°, low 45°.

Pressure30.12 inHg

Wind8.4 mph NW

Humidity46%

Visibility—

Dew point35°

Sun, 0154° / 40°

54 °

Allentown, Sunday, 1 November

Overcast. High 54°, low 40°.

Pressure30.27 inHg

Wind9.1 mph E

Humidity39%

Visibility—

Dew point28°

Mon, 0252° / 39°

52 °

Allentown, Monday, 2 November

Overcast. High 52°, low 39°.

Pressure30.24 inHg

Wind10.5 mph NE

Humidity38%

Visibility—

Dew point26°

Tue, 0354° / 35°

54 °

Allentown, Tuesday, 3 November

Partly cloudy. High 54°, low 35°.

Pressure30.18 inHg

Wind5.7 mph NE

Humidity30%

Visibility—

Dew point20°

Wed, 0459° / 39°

59 °

Allentown, Wednesday, 4 November

Overcast. High 59°, low 39°.

Pressure30.06 inHg

Wind8.1 mph SW

Humidity50%

Visibility—

Dew point36°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Allentown, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Allentown, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.