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As of 18:22 CDT

Weather in Arlington, IL

64°Current weather

Arlington, Tuesday, 20 October, 18:22

Clear. Feels like 62°. High 69°, low 42°.

Pressure30.30 inHg
Wind2.7 mph SE
Humidity54%
Visibility6.2 mi
Dew point46°
Wed, 2172° / 43°0Clear
72 °Clear

Arlington, Wednesday, 21 October

Clear. High 72°, low 43°.

Pressure30.27 inHg
Wind4.8 mph SW
Humidity52%
Visibility6.2 mi
Dew point49°
Thu, 2271° / 47°0Clear
71 °Clear

Arlington, Thursday, 22 October

Clear. High 71°, low 47°.

Pressure30.27 inHg
Wind3.1 mph E
Humidity59%
Visibility6.2 mi
Dew point54°
Fri, 2369° / 51°0Clear
69 °Clear

Arlington, Friday, 23 October

Clear. High 69°, low 51°.

Pressure30.33 inHg
Wind7.7 mph SE
Humidity60%
Visibility6.2 mi
Dew point52°
Sat, 2468° / 49°0Partly cloudy
68 °Partly cloudy

Arlington, Saturday, 24 October

Partly cloudy. High 68°, low 49°.

Pressure30.36 inHg
Wind9.7 mph S
Humidity60%
Visibility6.2 mi
Dew point49°
Sun, 2572° / 53°0Overcast
72 °Overcast

Arlington, Sunday, 25 October

Overcast. High 72°, low 53°.

Pressure30.33 inHg
Wind6.6 mph S
Humidity53%
Visibility—
Dew point50°
Mon, 2671° / 50°0.01Light rain
71 °Light rain

Arlington, Monday, 26 October

Light rain. High 71°, low 50°.

Pressure30.15 inHg
Wind14.2 mph NE
Humidity49%
Visibility—
Dew point47°
Tue, 2749° / 46°0.18Light rain
49 °Light rain

Arlington, Tuesday, 27 October

Light rain. High 49°, low 46°.

Pressure30.30 inHg
Wind14.7 mph NE
Humidity85%
Visibility—
Dew point42°
Wed, 2846° / 37°0.11Snow
46 °Snow

Arlington, Wednesday, 28 October

Snow. High 46°, low 37°.

Pressure30.15 inHg
Wind15.4 mph NW
Humidity97%
Visibility—
Dew point37°
Thu, 2944° / 34°0Clear
44 °Clear

Arlington, Thursday, 29 October

Clear. High 44°, low 34°.

Pressure30.27 inHg
Wind13 mph NW
Humidity53%
Visibility—
Dew point27°
Fri, 3048° / 30°0Clear
48 °Clear

Arlington, Friday, 30 October

Clear. High 48°, low 30°.

Pressure30.27 inHg
Wind9.5 mph S
Humidity39%
Visibility—
Dew point20°
Sat, 3152° / 39°0.02Light rain
52 °Light rain

Arlington, Saturday, 31 October

Light rain. High 52°, low 39°.

Pressure29.94 inHg
Wind15.7 mph S
Humidity40%
Visibility—
Dew point27°
Sun, 0163° / 49°0.29Light rain
63 °Light rain

Arlington, Sunday, 1 November

Light rain. High 63°, low 49°.

Pressure29.77 inHg
Wind18.4 mph S
Humidity77%
Visibility—
Dew point54°
Mon, 0262° / 41°0.14Light rain
62 °Light rain

Arlington, Monday, 2 November

Light rain. High 62°, low 41°.

Pressure30.15 inHg
Wind19 mph NW
Humidity44%
Visibility—
Dew point33°
Tue, 0351° / 36°0Clear
51 °Clear

Arlington, Tuesday, 3 November

Clear. High 51°, low 36°.

Pressure30.50 inHg
Wind6.5 mph S
Humidity35%
Visibility—
Dew point22°
Wed, 0451° / 39°0Overcast
51 °Overcast

Arlington, Wednesday, 4 November

Overcast. High 51°, low 39°.

Pressure30.30 inHg
Wind10.5 mph W
Humidity41%
Visibility—
Dew point26°

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 Arlington, 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 Arlington, 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.