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As of 02:27 CDT

Weather in Aviston, IL

56°Current weather

Aviston, Friday, 16 October, 02:27

Overcast. Feels like 56°. High 59°, low 51°.

Pressure30.06 inHg
Wind10 mph N
Humidity84%
Visibility6.2 mi
Dew point52°
Sat, 1758° / 43°0Clear
58 °Clear

Aviston, Saturday, 17 October

Clear. High 58°, low 43°.

Pressure30.56 inHg
Wind3.8 mph NE
Humidity52%
Visibility6.2 mi
Dew point37°
Sun, 1863° / 42°0Clear
63 °Clear

Aviston, Sunday, 18 October

Clear. High 63°, low 42°.

Pressure30.50 inHg
Wind7.6 mph S
Humidity40%
Visibility6.2 mi
Dew point34°
Mon, 1968° / 42°0Clear
68 °Clear

Aviston, Monday, 19 October

Clear. High 68°, low 42°.

Pressure30.39 inHg
Wind4.6 mph SE
Humidity49%
Visibility6.2 mi
Dew point44°
Tue, 2070° / 45°0Overcast
70 °Overcast

Aviston, Tuesday, 20 October

Overcast. High 70°, low 45°.

Pressure30.33 inHg
Wind4.8 mph E
Humidity38%
Visibility—
Dew point39°
Wed, 2174° / 48°0Mostly clear
74 °Mostly clear

Aviston, Wednesday, 21 October

Mostly clear. High 74°, low 48°.

Pressure30.27 inHg
Wind4.6 mph SE
Humidity36%
Visibility—
Dew point40°
Thu, 2278° / 53°0Partly cloudy
78 °Partly cloudy

Aviston, Thursday, 22 October

Partly cloudy. High 78°, low 53°.

Pressure30.24 inHg
Wind6.8 mph SE
Humidity24%
Visibility—
Dew point33°
Fri, 2379° / 55°0Overcast
79 °Overcast

Aviston, Friday, 23 October

Overcast. High 79°, low 55°.

Pressure30.15 inHg
Wind9.7 mph SE
Humidity24%
Visibility—
Dew point34°
Sat, 2478° / 57°0Overcast
78 °Overcast

Aviston, Saturday, 24 October

Overcast. High 78°, low 57°.

Pressure30.18 inHg
Wind7.6 mph SE
Humidity28%
Visibility—
Dew point38°
Sun, 2577° / 55°0Overcast
77 °Overcast

Aviston, Sunday, 25 October

Overcast. High 77°, low 55°.

Pressure30.21 inHg
Wind6.8 mph E
Humidity31%
Visibility—
Dew point39°
Mon, 2679° / 59°0Overcast
79 °Overcast

Aviston, Monday, 26 October

Overcast. High 79°, low 59°.

Pressure30.00 inHg
Wind15.3 mph S
Humidity33%
Visibility—
Dew point43°
Tue, 2768° / 48°0Clear
68 °Clear

Aviston, Tuesday, 27 October

Clear. High 68°, low 48°.

Pressure30.06 inHg
Wind8.5 mph W
Humidity33%
Visibility—
Dew point34°
Wed, 2867° / 52°0.57Heavy rain
67 °Heavy rain

Aviston, Wednesday, 28 October

Heavy rain. High 67°, low 52°.

Pressure29.71 inHg
Wind22 mph W
Humidity79%
Visibility—
Dew point51°
Thu, 2963° / 45°0Partly cloudy
63 °Partly cloudy

Aviston, Thursday, 29 October

Partly cloudy. High 63°, low 45°.

Pressure29.97 inHg
Wind17 mph W
Humidity47%
Visibility—
Dew point38°
Fri, 3069° / 47°0Partly cloudy
69 °Partly cloudy

Aviston, Friday, 30 October

Partly cloudy. High 69°, low 47°.

Pressure30.06 inHg
Wind6.5 mph NW
Humidity43%
Visibility—
Dew point41°
Sat, 3172° / 50°0Overcast
72 °Overcast

Aviston, Saturday, 31 October

Overcast. High 72°, low 50°.

Pressure29.97 inHg
Wind10.6 mph S
Humidity35%
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 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.