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As of 20:07 CDT

Weather in Arlington, IL

75°Current weather

Arlington, Saturday, 8 August, 20:07

Clear. Feels like 75°. High 83°, low 68°.

Pressure30.00 inHg
Wind1.3 mph W
Humidity73%
Visibility6.2 mi
Dew point66°
Sun, 0989° / 63°0.11Rain
89 °Rain

Arlington, Sunday, 9 August

Rain. High 89°, low 63°.

Pressure29.91 inHg
Wind15.6 mph S
Humidity77%
Visibility6.2 mi
Dew point75°
Mon, 1088° / 71°0Light rain
88 °Light rain

Arlington, Monday, 10 August

Light rain. High 88°, low 71°.

Pressure29.91 inHg
Wind6.1 mph S
Humidity85%
Visibility6.2 mi
Dew point74°
Tue, 1186° / 72°0Overcast
86 °Overcast

Arlington, Tuesday, 11 August

Overcast. High 86°, low 72°.

Pressure29.80 inHg
Wind8.5 mph SW
Humidity81%
Visibility6.2 mi
Dew point72°
Wed, 1279° / 68°0.04Light rain
79 °Light rain

Arlington, Wednesday, 12 August

Light rain. High 79°, low 68°.

Pressure29.88 inHg
Wind6.6 mph N
Humidity74%
Visibility6.2 mi
Dew point72°
Thu, 1373° / 61°0.06Light rain
73 °Light rain

Arlington, Thursday, 13 August

Light rain. High 73°, low 61°.

Pressure30.00 inHg
Wind8.2 mph E
Humidity78%
Visibility—
Dew point64°
Fri, 1475° / 59°0Partly cloudy
75 °Partly cloudy

Arlington, Friday, 14 August

Partly cloudy. High 75°, low 59°.

Pressure30.12 inHg
Wind7.6 mph E
Humidity67%
Visibility—
Dew point60°
Sat, 1563° / 60°0.07Light rain
63 °Light rain

Arlington, Saturday, 15 August

Light rain. High 63°, low 60°.

Pressure30.30 inHg
Wind8.1 mph E
Humidity94%
Visibility—
Dew point58°
Sun, 1672° / 60°0Overcast
72 °Overcast

Arlington, Sunday, 16 August

Overcast. High 72°, low 60°.

Pressure30.15 inHg
Wind6.9 mph E
Humidity77%
Visibility—
Dew point59°
Mon, 1777° / 62°0.04Light rain
77 °Light rain

Arlington, Monday, 17 August

Light rain. High 77°, low 62°.

Pressure30.06 inHg
Wind3.6 mph NW
Humidity78%
Visibility—
Dew point66°
Tue, 1882° / 64°0Overcast
82 °Overcast

Arlington, Tuesday, 18 August

Overcast. High 82°, low 64°.

Pressure29.97 inHg
Wind9 mph SW
Humidity70%
Visibility—
Dew point67°
Wed, 1971° / 59°0.07Light rain
71 °Light rain

Arlington, Wednesday, 19 August

Light rain. High 71°, low 59°.

Pressure29.97 inHg
Wind13.1 mph NW
Humidity81%
Visibility—
Dew point62°
Thu, 2068° / 52°0.05Light rain
68 °Light rain

Arlington, Thursday, 20 August

Light rain. High 68°, low 52°.

Pressure30.09 inHg
Wind11.5 mph N
Humidity63%
Visibility—
Dew point53°
Fri, 2172° / 52°0Overcast
72 °Overcast

Arlington, Friday, 21 August

Overcast. High 72°, low 52°.

Pressure30.06 inHg
Wind5.4 mph N
Humidity65%
Visibility—
Dew point56°
Sat, 2275° / 54°0.01Light rain
75 °Light rain

Arlington, Saturday, 22 August

Light rain. High 75°, low 54°.

Pressure29.85 inHg
Wind9.3 mph SE
Humidity78%
Visibility—
Dew point63°
Sun, 2380° / 65°0Clear
80 °Clear

Arlington, Sunday, 23 August

Clear. High 80°, low 65°.

Pressure29.94 inHg
Wind11.4 mph NW
Humidity55%
Visibility—
Dew point60°

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.