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As of 03:20 CDT

Weather in Winchester, IL

47°Current weather

Winchester, Wednesday, 21 October, 03:20

Clear. Feels like 45°. High 76°, low 47°.

Pressure30.27 inHg
Wind3.8 mph S
Humidity88%
Visibility6.2 mi
Dew point43°
Thu, 2277° / 48°0Clear
77 °Clear

Winchester, Thursday, 22 October

Clear. High 77°, low 48°.

Pressure30.27 inHg
Wind1.8 mph NE
Humidity46%
Visibility6.2 mi
Dew point50°
Fri, 2372° / 53°0Clear
72 °Clear

Winchester, Friday, 23 October

Clear. High 72°, low 53°.

Pressure30.30 inHg
Wind6.7 mph S
Humidity50%
Visibility6.2 mi
Dew point50°
Sat, 2472° / 52°0Overcast
72 °Overcast

Winchester, Saturday, 24 October

Overcast. High 72°, low 52°.

Pressure30.33 inHg
Wind8.5 mph S
Humidity52%
Visibility6.2 mi
Dew point49°
Sun, 2575° / 53°0Overcast
75 °Overcast

Winchester, Sunday, 25 October

Overcast. High 75°, low 53°.

Pressure30.36 inHg
Wind7 mph SE
Humidity44%
Visibility—
Dew point48°
Mon, 2675° / 53°0Overcast
75 °Overcast

Winchester, Monday, 26 October

Overcast. High 75°, low 53°.

Pressure30.21 inHg
Wind17.9 mph N
Humidity38%
Visibility—
Dew point44°
Tue, 2749° / 43°0.28Rain
49 °Rain

Winchester, Tuesday, 27 October

Rain. High 49°, low 43°.

Pressure30.36 inHg
Wind14.8 mph N
Humidity81%
Visibility—
Dew point38°
Wed, 2854° / 42°0Partly cloudy
54 °Partly cloudy

Winchester, Wednesday, 28 October

Partly cloudy. High 54°, low 42°.

Pressure30.30 inHg
Wind6.5 mph N
Humidity42%
Visibility—
Dew point29°
Thu, 2959° / 37°0Clear
59 °Clear

Winchester, Thursday, 29 October

Clear. High 59°, low 37°.

Pressure30.24 inHg
Wind7 mph NW
Humidity40%
Visibility—
Dew point30°
Fri, 3060° / 40°0Partly cloudy
60 °Partly cloudy

Winchester, Friday, 30 October

Partly cloudy. High 60°, low 40°.

Pressure30.21 inHg
Wind7.9 mph SE
Humidity42%
Visibility—
Dew point33°
Sat, 3164° / 42°0Partly cloudy
64 °Partly cloudy

Winchester, Saturday, 31 October

Partly cloudy. High 64°, low 42°.

Pressure30.00 inHg
Wind12.9 mph S
Humidity27%
Visibility—
Dew point26°
Sun, 0160° / 51°0.28Rain
60 °Rain

Winchester, Sunday, 1 November

Rain. High 60°, low 51°.

Pressure29.97 inHg
Wind9.8 mph S
Humidity92%
Visibility—
Dew point53°
Mon, 0268° / 54°0Clear
68 °Clear

Winchester, Monday, 2 November

Clear. High 68°, low 54°.

Pressure30.18 inHg
Wind9.2 mph NW
Humidity35%
Visibility—
Dew point37°
Tue, 0359° / 44°0Overcast
59 °Overcast

Winchester, Tuesday, 3 November

Overcast. High 59°, low 44°.

Pressure30.30 inHg
Wind7.4 mph N
Humidity31%
Visibility—
Dew point25°
Wed, 0462° / 46°0Overcast
62 °Overcast

Winchester, Wednesday, 4 November

Overcast. High 62°, low 46°.

Pressure30.03 inHg
Wind11.7 mph SE
Humidity39%
Visibility—
Dew point32°
Thu, 0562° / 47°0Clear
62 °Clear

Winchester, Thursday, 5 November

Clear. High 62°, low 47°.

Pressure30.30 inHg
Wind12.5 mph E
Humidity37%
Visibility—
Dew point34°

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 Winchester, 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 Winchester, 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.