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As of 07:57 CDT

Weather in Arlington, IL

35°Current weather

Arlington, Saturday, 17 October, 07:57

Clear. Feels like 31°. High 54°, low 35°.

Pressure30.53 inHg
Wind4.5 mph N
Humidity85%
Visibility6.2 mi
Dew point31°
Sun, 1861° / 40°0Clear
61 °Clear

Arlington, Sunday, 18 October

Clear. High 61°, low 40°.

Pressure30.45 inHg
Wind12.5 mph S
Humidity52%
Visibility6.2 mi
Dew point40°
Mon, 1964° / 42°0Overcast
64 °Overcast

Arlington, Monday, 19 October

Overcast. High 64°, low 42°.

Pressure30.39 inHg
Wind5.1 mph S
Humidity55%
Visibility6.2 mi
Dew point44°
Tue, 2066° / 43°0.01Light rain
66 °Light rain

Arlington, Tuesday, 20 October

Light rain. High 66°, low 43°.

Pressure30.39 inHg
Wind5.7 mph SE
Humidity47%
Visibility6.2 mi
Dew point43°
Wed, 2169° / 46°0.05Light rain
69 °Light rain

Arlington, Wednesday, 21 October

Light rain. High 69°, low 46°.

Pressure30.27 inHg
Wind5.3 mph SW
Humidity46%
Visibility—
Dew point43°
Thu, 2269° / 50°0Clear
69 °Clear

Arlington, Thursday, 22 October

Clear. High 69°, low 50°.

Pressure30.24 inHg
Wind4.8 mph E
Humidity45%
Visibility—
Dew point44°
Fri, 2371° / 54°0Overcast
71 °Overcast

Arlington, Friday, 23 October

Overcast. High 71°, low 54°.

Pressure30.18 inHg
Wind9.8 mph S
Humidity36%
Visibility—
Dew point40°
Sat, 2470° / 56°0Overcast
70 °Overcast

Arlington, Saturday, 24 October

Overcast. High 70°, low 56°.

Pressure30.18 inHg
Wind13 mph S
Humidity37%
Visibility—
Dew point40°
Sun, 2573° / 56°0.01Light rain
73 °Light rain

Arlington, Sunday, 25 October

Light rain. High 73°, low 56°.

Pressure30.00 inHg
Wind11.8 mph SW
Humidity39%
Visibility—
Dew point44°
Mon, 2654° / 41°0.61Rain
54 °Rain

Arlington, Monday, 26 October

Rain. High 54°, low 41°.

Pressure30.15 inHg
Wind14.6 mph NW
Humidity83%
Visibility—
Dew point39°
Tue, 2750° / 36°0Overcast
50 °Overcast

Arlington, Tuesday, 27 October

Overcast. High 50°, low 36°.

Pressure30.45 inHg
Wind8 mph SE
Humidity52%
Visibility—
Dew point30°
Wed, 2855° / 46°0.72Rain
55 °Rain

Arlington, Wednesday, 28 October

Rain. High 55°, low 46°.

Pressure30.06 inHg
Wind20.7 mph SW
Humidity76%
Visibility—
Dew point39°
Thu, 2959° / 48°0.02Light rain
59 °Light rain

Arlington, Thursday, 29 October

Light rain. High 59°, low 48°.

Pressure30.00 inHg
Wind26.1 mph W
Humidity61%
Visibility—
Dew point44°
Fri, 3061° / 45°0Overcast
61 °Overcast

Arlington, Friday, 30 October

Overcast. High 61°, low 45°.

Pressure30.03 inHg
Wind16 mph S
Humidity53%
Visibility—
Dew point40°
Sat, 3168° / 56°0.66Rain
68 °Rain

Arlington, Saturday, 31 October

Rain. High 68°, low 56°.

Pressure29.59 inHg
Wind22.3 mph SW
Humidity78%
Visibility—
Dew point55°
Sun, 0164° / 46°0.01Light rain
64 °Light rain

Arlington, Sunday, 1 November

Light rain. High 64°, low 46°.

Pressure29.94 inHg
Wind15.8 mph SW
Humidity60%
Visibility—
Dew point38°

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.