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As of 08:42 CDT

Weather in Aviston, IL

61°Current weather

Aviston, Monday, 12 October, 08:42

Clear. Feels like 60°. High 93°, low 61°.

Pressure29.97 inHg
Wind7 mph S
Humidity75%
Visibility6.2 mi
Dew point53°
Tue, 1393° / 65°0Clear
93 °Clear

Aviston, Tuesday, 13 October

Clear. High 93°, low 65°.

Pressure29.91 inHg
Wind7.8 mph SW
Humidity49%
Visibility6.2 mi
Dew point64°
Wed, 1478° / 71°0.24Rain
78 °Rain

Aviston, Wednesday, 14 October

Rain. High 78°, low 71°.

Pressure30.03 inHg
Wind7.4 mph SW
Humidity84%
Visibility3.5 mi
Dew point72°
Thu, 1579° / 70°0.28Rain
79 °Rain

Aviston, Thursday, 15 October

Rain. High 79°, low 70°.

Pressure30.03 inHg
Wind9 mph W
Humidity91%
Visibility3.2 mi
Dew point72°
Fri, 1669° / 53°0.01Light rain
69 °Light rain

Aviston, Friday, 16 October

Light rain. High 69°, low 53°.

Pressure30.36 inHg
Wind18.7 mph N
Humidity44%
Visibility—
Dew point38°
Sat, 1762° / 44°0Clear
62 °Clear

Aviston, Saturday, 17 October

Clear. High 62°, low 44°.

Pressure30.50 inHg
Wind8.7 mph N
Humidity42%
Visibility—
Dew point35°
Sun, 1868° / 41°0Clear
68 °Clear

Aviston, Sunday, 18 October

Clear. High 68°, low 41°.

Pressure30.33 inHg
Wind11.4 mph S
Humidity21%
Visibility—
Dew point21°
Mon, 1972° / 52°0Overcast
72 °Overcast

Aviston, Monday, 19 October

Overcast. High 72°, low 52°.

Pressure30.21 inHg
Wind13.4 mph S
Humidity57%
Visibility—
Dew point51°
Tue, 2077° / 57°0.04Light rain
77 °Light rain

Aviston, Tuesday, 20 October

Light rain. High 77°, low 57°.

Pressure30.18 inHg
Wind6.7 mph NE
Humidity63%
Visibility—
Dew point56°
Wed, 2178° / 61°0.1Light rain
78 °Light rain

Aviston, Wednesday, 21 October

Light rain. High 78°, low 61°.

Pressure30.24 inHg
Wind9.6 mph SE
Humidity55%
Visibility—
Dew point58°
Thu, 2283° / 62°0Overcast
83 °Overcast

Aviston, Thursday, 22 October

Overcast. High 83°, low 62°.

Pressure30.27 inHg
Wind11.7 mph S
Humidity43%
Visibility—
Dew point54°
Fri, 2382° / 66°0Overcast
82 °Overcast

Aviston, Friday, 23 October

Overcast. High 82°, low 66°.

Pressure30.27 inHg
Wind13.8 mph S
Humidity41%
Visibility—
Dew point53°
Sat, 2484° / 62°0.02Light rain
84 °Light rain

Aviston, Saturday, 24 October

Light rain. High 84°, low 62°.

Pressure30.03 inHg
Wind19 mph S
Humidity49%
Visibility—
Dew point57°
Sun, 2568° / 56°0.11Light rain
68 °Light rain

Aviston, Sunday, 25 October

Light rain. High 68°, low 56°.

Pressure30.06 inHg
Wind17.6 mph NW
Humidity50%
Visibility—
Dew point45°
Mon, 2662° / 47°0Overcast
62 °Overcast

Aviston, Monday, 26 October

Overcast. High 62°, low 47°.

Pressure30.21 inHg
Wind12.7 mph NW
Humidity32%
Visibility—
Dew point28°
Tue, 2770° / 46°0Clear
70 °Clear

Aviston, Tuesday, 27 October

Clear. High 70°, low 46°.

Pressure29.85 inHg
Wind17.2 mph NW
Humidity35%
Visibility—
Dew point37°

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 Aviston, 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 Aviston, 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.