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As of 15:30 CDT

Weather in Winchester, IL

78°Current weather

Winchester, Thursday, 22 October, 15:30

Clear. Feels like 77°. High 78°, low 47°.

Pressure30.21 inHg
Wind1 mph NW
Humidity39%
Visibility6.2 mi
Dew point51°
Fri, 2376° / 48°0Clear
76 °Clear

Winchester, Friday, 23 October

Clear. High 76°, low 48°.

Pressure30.27 inHg
Wind7.7 mph S
Humidity48%
Visibility6.2 mi
Dew point50°
Sat, 2472° / 47°0Overcast
72 °Overcast

Winchester, Saturday, 24 October

Overcast. High 72°, low 47°.

Pressure30.36 inHg
Wind7.8 mph S
Humidity49%
Visibility6.2 mi
Dew point49°
Sun, 2575° / 51°0Partly cloudy
75 °Partly cloudy

Winchester, Sunday, 25 October

Partly cloudy. High 75°, low 51°.

Pressure30.39 inHg
Wind4.6 mph S
Humidity50%
Visibility6.2 mi
Dew point51°
Mon, 2673° / 52°0Overcast
73 °Overcast

Winchester, Monday, 26 October

Overcast. High 73°, low 52°.

Pressure30.33 inHg
Wind3.5 mph SE
Humidity57%
Visibility6.2 mi
Dew point52°
Tue, 2770° / 51°0Overcast
70 °Overcast

Winchester, Tuesday, 27 October

Overcast. High 70°, low 51°.

Pressure30.27 inHg
Wind6.6 mph E
Humidity53%
Visibility—
Dew point48°
Wed, 2865° / 51°0Clear
65 °Clear

Winchester, Wednesday, 28 October

Clear. High 65°, low 51°.

Pressure30.18 inHg
Wind7.2 mph W
Humidity52%
Visibility—
Dew point44°
Thu, 2971° / 52°0Light rain
71 °Light rain

Winchester, Thursday, 29 October

Light rain. High 71°, low 52°.

Pressure30.12 inHg
Wind8.7 mph S
Humidity42%
Visibility—
Dew point44°
Fri, 3065° / 52°0.21Light rain
65 °Light rain

Winchester, Friday, 30 October

Light rain. High 65°, low 52°.

Pressure29.97 inHg
Wind11.6 mph S
Humidity75%
Visibility—
Dew point56°
Sat, 3154° / 51°0.17Light rain
54 °Light rain

Winchester, Saturday, 31 October

Light rain. High 54°, low 51°.

Pressure30.12 inHg
Wind8.4 mph NE
Humidity77%
Visibility—
Dew point46°
Sun, 0153° / 50°0.4Light rain
53 °Light rain

Winchester, Sunday, 1 November

Light rain. High 53°, low 50°.

Pressure30.06 inHg
Wind10.4 mph N
Humidity88%
Visibility—
Dew point47°
Mon, 0260° / 47°0.01Light rain
60 °Light rain

Winchester, Monday, 2 November

Light rain. High 60°, low 47°.

Pressure30.18 inHg
Wind8.1 mph N
Humidity42%
Visibility—
Dew point34°
Tue, 0358° / 43°0Overcast
58 °Overcast

Winchester, Tuesday, 3 November

Overcast. High 58°, low 43°.

Pressure30.39 inHg
Wind5.4 mph NE
Humidity49%
Visibility—
Dew point36°
Wed, 0452° / 48°0Overcast
52 °Overcast

Winchester, Wednesday, 4 November

Overcast. High 52°, low 48°.

Pressure30.50 inHg
Wind4.7 mph NE
Humidity52%
Visibility—
Dew point35°
Thu, 0555° / 45°0Overcast
55 °Overcast

Winchester, Thursday, 5 November

Overcast. High 55°, low 45°.

Pressure30.47 inHg
Wind5.9 mph NE
Humidity51%
Visibility—
Dew point33°
Fri, 0660° / 49°0Overcast
60 °Overcast

Winchester, Friday, 6 November

Overcast. High 60°, low 49°.

Pressure30.24 inHg
Wind6.3 mph S
Humidity35%
Visibility—
Dew point31°

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.