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As of 17:36 CDT

Weather in Arlington, IL

60°Current weather

Arlington, Sunday, 18 October, 17:36

Clear. Feels like 58°. High 63°, low 40°.

Pressure30.33 inHg
Wind8.1 mph S
Humidity48%
Visibility6.2 mi
Dew point40°
Mon, 1966° / 41°0Partly cloudy
66 °Partly cloudy

Arlington, Monday, 19 October

Partly cloudy. High 66°, low 41°.

Pressure30.39 inHg
Wind4 mph S
Humidity58%
Visibility6.2 mi
Dew point45°
Tue, 2065° / 43°0Clear
65 °Clear

Arlington, Tuesday, 20 October

Clear. High 65°, low 43°.

Pressure30.39 inHg
Wind5.7 mph SE
Humidity50%
Visibility6.2 mi
Dew point44°
Wed, 2167° / 44°0Clear
67 °Clear

Arlington, Wednesday, 21 October

Clear. High 67°, low 44°.

Pressure30.30 inHg
Wind1.9 mph SW
Humidity52%
Visibility6.2 mi
Dew point47°
Thu, 2268° / 50°0Partly cloudy
68 °Partly cloudy

Arlington, Thursday, 22 October

Partly cloudy. High 68°, low 50°.

Pressure30.30 inHg
Wind4 mph E
Humidity57%
Visibility6.2 mi
Dew point50°
Fri, 2365° / 48°0Clear
65 °Clear

Arlington, Friday, 23 October

Clear. High 65°, low 48°.

Pressure30.30 inHg
Wind10.3 mph SE
Humidity57%
Visibility—
Dew point47°
Sat, 2472° / 49°0Overcast
72 °Overcast

Arlington, Saturday, 24 October

Overcast. High 72°, low 49°.

Pressure30.30 inHg
Wind14.2 mph S
Humidity43%
Visibility—
Dew point42°
Sun, 2565° / 57°0Overcast
65 °Overcast

Arlington, Sunday, 25 October

Overcast. High 65°, low 57°.

Pressure30.36 inHg
Wind10.1 mph N
Humidity37%
Visibility—
Dew point37°
Mon, 2662° / 53°0.01Light rain
62 °Light rain

Arlington, Monday, 26 October

Light rain. High 62°, low 53°.

Pressure30.36 inHg
Wind9.9 mph E
Humidity54%
Visibility—
Dew point43°
Tue, 2762° / 50°0Overcast
62 °Overcast

Arlington, Tuesday, 27 October

Overcast. High 62°, low 50°.

Pressure30.33 inHg
Wind9.6 mph E
Humidity58%
Visibility—
Dew point43°
Wed, 2864° / 55°0Overcast
64 °Overcast

Arlington, Wednesday, 28 October

Overcast. High 64°, low 55°.

Pressure30.18 inHg
Wind7.6 mph E
Humidity62%
Visibility—
Dew point49°
Thu, 2968° / 54°0Overcast
68 °Overcast

Arlington, Thursday, 29 October

Overcast. High 68°, low 54°.

Pressure30.03 inHg
Wind12.5 mph SW
Humidity51%
Visibility—
Dew point46°
Fri, 3065° / 50°0.34Rain
65 °Rain

Arlington, Friday, 30 October

Rain. High 65°, low 50°.

Pressure29.88 inHg
Wind16.6 mph SW
Humidity51%
Visibility—
Dew point46°
Sat, 3160° / 45°0Partly cloudy
60 °Partly cloudy

Arlington, Saturday, 31 October

Partly cloudy. High 60°, low 45°.

Pressure30.12 inHg
Wind5 mph N
Humidity48%
Visibility—
Dew point37°
Sun, 0156° / 51°0.31Rain
56 °Rain

Arlington, Sunday, 1 November

Rain. High 56°, low 51°.

Pressure29.91 inHg
Wind12.3 mph E
Humidity94%
Visibility—
Dew point50°
Mon, 0254° / 40°0.64Rain
54 °Rain

Arlington, Monday, 2 November

Rain. High 54°, low 40°.

Pressure30.15 inHg
Wind18.2 mph N
Humidity82%
Visibility—
Dew point40°

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.