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As of 17:50 CDT

Weather in Aviston, IL

52°Current weather

Aviston, Friday, 16 October, 17:50

Mostly clear. Feels like 51°. High 61°, low 50°.

Pressure30.27 inHg
Wind8 mph N
Humidity87%
Visibility6.2 mi
Dew point48°
Sat, 1760° / 43°0Clear
60 °Clear

Aviston, Saturday, 17 October

Clear. High 60°, low 43°.

Pressure30.56 inHg
Wind3 mph NE
Humidity51%
Visibility6.2 mi
Dew point37°
Sun, 1863° / 42°0Clear
63 °Clear

Aviston, Sunday, 18 October

Clear. High 63°, low 42°.

Pressure30.50 inHg
Wind7.4 mph S
Humidity39%
Visibility6.2 mi
Dew point35°
Mon, 1968° / 43°0Clear
68 °Clear

Aviston, Monday, 19 October

Clear. High 68°, low 43°.

Pressure30.39 inHg
Wind2.9 mph S
Humidity45%
Visibility6.2 mi
Dew point43°
Tue, 2070° / 46°0Clear
70 °Clear

Aviston, Tuesday, 20 October

Clear. High 70°, low 46°.

Pressure30.36 inHg
Wind2.1 mph SE
Humidity46%
Visibility6.2 mi
Dew point44°
Wed, 2171° / 49°0.01Light rain
71 °Light rain

Aviston, Wednesday, 21 October

Light rain. High 71°, low 49°.

Pressure30.27 inHg
Wind4.4 mph E
Humidity42%
Visibility—
Dew point43°
Thu, 2277° / 52°0Clear
77 °Clear

Aviston, Thursday, 22 October

Clear. High 77°, low 52°.

Pressure30.18 inHg
Wind5.1 mph SE
Humidity34%
Visibility—
Dew point41°
Fri, 2378° / 55°0Overcast
78 °Overcast

Aviston, Friday, 23 October

Overcast. High 78°, low 55°.

Pressure30.18 inHg
Wind6.3 mph SE
Humidity26%
Visibility—
Dew point36°
Sat, 2481° / 58°0Overcast
81 °Overcast

Aviston, Saturday, 24 October

Overcast. High 81°, low 58°.

Pressure30.24 inHg
Wind7.3 mph SE
Humidity24%
Visibility—
Dew point36°
Sun, 2580° / 58°0Overcast
80 °Overcast

Aviston, Sunday, 25 October

Overcast. High 80°, low 58°.

Pressure30.18 inHg
Wind9.9 mph S
Humidity33%
Visibility—
Dew point45°
Mon, 2667° / 51°0Overcast
67 °Overcast

Aviston, Monday, 26 October

Overcast. High 67°, low 51°.

Pressure30.24 inHg
Wind13.5 mph NW
Humidity63%
Visibility—
Dew point49°
Tue, 2760° / 38°0Partly cloudy
60 °Partly cloudy

Aviston, Tuesday, 27 October

Partly cloudy. High 60°, low 38°.

Pressure30.36 inHg
Wind10.5 mph N
Humidity25%
Visibility—
Dew point20°
Wed, 2867° / 48°0Overcast
67 °Overcast

Aviston, Wednesday, 28 October

Overcast. High 67°, low 48°.

Pressure30.24 inHg
Wind9.6 mph S
Humidity20%
Visibility—
Dew point20°
Thu, 2970° / 55°0Overcast
70 °Overcast

Aviston, Thursday, 29 October

Overcast. High 70°, low 55°.

Pressure29.88 inHg
Wind19 mph SW
Humidity57%
Visibility—
Dew point49°
Fri, 3067° / 50°0Mostly clear
67 °Mostly clear

Aviston, Friday, 30 October

Mostly clear. High 67°, low 50°.

Pressure30.03 inHg
Wind17.1 mph NW
Humidity39%
Visibility—
Dew point38°
Sat, 3169° / 48°0.01Light rain
69 °Light rain

Aviston, Saturday, 31 October

Light rain. High 69°, low 48°.

Pressure29.97 inHg
Wind12 mph S
Humidity36%
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 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.