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Winchester, IL Weather Forecast | 10 Days

Updated: Tue Oct 20th 2026 10:00 PM CDT

Tue, 10-20

73°F
50°F

Wed, 10-21

75°F
52°F

Thu, 10-22

76°F
54°F

Fri, 10-23

77°F
54°F

Sat, 10-24

76°F
54°F

Sun, 10-25

77°F
56°F

Mon, 10-26

75°F
51°F

Tue, 10-27

50°F
42°F

Wed, 10-28

54°F
41°F

Thu, 10-29

58°F
38°F

Sunny

Tue 10-20

Sunny with a high of 73°F and a low of 50°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 7mph and gusts of 6.1mph at 11 PM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 52% at 11 PM and 52% being its lowest at 11 PM. Barometric pressure is its highest of 30.26^inHg at 11 PM, a lowest point of 30.26^inHg at 11 PM with an avg 30.26^inHg.

HI: 73°F
LO: 50°F

Rain: 2%
Snow: 0%

Wind
6.3 mph
Humidity
46% avg.

UV Index
4.4
Air Quality
Good

Sunrise
07:17 AM
Sunset
06:15 PM

Moonrise
03:43 PM
Moonset
01:39 AM
Moon Phase
Waxing Gibbous

Hourly

Sunny

Wed 10-21

Sunny with a high of 75°F and a low of 52°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 6mph and gusts of 5.6mph at 12 AM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 57% at 4 AM and 27% being its lowest at 3 PM. Barometric pressure is its highest of 30.27^inHg at 9 AM, a lowest point of 30.16^inHg at 5 PM with an avg 30.22^inHg.

HI: 75°F
LO: 52°F

Rain: 2%
Snow: 0%

Wind
5.4 mph
Humidity
44% avg.

UV Index
4.4
Air Quality
Good

Sunrise
07:18 AM
Sunset
06:14 PM

Moonrise
04:04 PM
Moonset
02:40 AM
Moon Phase
Waxing Gibbous

Hourly

Sunny

Thu 10-22

Sunny with a high of 76°F and a low of 54°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 7mph and gusts of 13.6mph at 7 AM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 55% at 7 AM and 28% being its lowest at 3 PM. Barometric pressure is its highest of 30.26^inHg at 9 AM, a lowest point of 30.17^inHg at 3 PM with an avg 30.21^inHg.

HI: 76°F
LO: 54°F

Rain: 2%
Snow: 0%

Wind
6.3 mph
Humidity
44% avg.

UV Index
4.2
Air Quality
Good

Sunrise
07:19 AM
Sunset
06:13 PM

Moonrise
04:25 PM
Moonset
03:40 AM
Moon Phase
Waxing Gibbous

Hourly

Sunny

Fri 10-23

Sunny with a high of 77°F and a low of 54°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 10mph and gusts of 22.9mph at 11 PM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 64% at 7 AM and 31% being its lowest at 3 PM. Barometric pressure is its highest of 30.3^inHg at 10 AM, a lowest point of 30.21^inHg at 4 PM with an avg 30.25^inHg.

HI: 77°F
LO: 54°F

Rain: 2%
Snow: 0%

Wind
9.8 mph
Humidity
48% avg.

UV Index
4.2
Air Quality
Good

Sunrise
07:20 AM
Sunset
06:11 PM

Moonrise
04:46 PM
Moonset
04:41 AM
Moon Phase
Full Moon

Hourly

Overcast

Sat 10-24

Overcast with a high of 76°F and a low of 54°F. There's a very small chance of rainfall, only about 9%. Wind will be moderate, blowing around 11mph on average and gusts of 25.4mph at 12 AM. Humidity levels should be comfortable, sitting around 38% on average, the maximum being 48% at 7 AM and 24% being its lowest at 2 PM. Barometric pressure is its highest of 30.35^inHg at 8 AM, a lowest point of 30.27^inHg at 4 PM with an avg 30.31^inHg.

HI: 76°F
LO: 54°F

Rain: 9%
Snow: 0%

Wind
10.3 mph
Humidity
38% avg.

UV Index
5
Air Quality
Good

Sunrise
07:21 AM
Sunset
06:10 PM

Moonrise
05:09 PM
Moonset
05:43 AM
Moon Phase
Full Moon

Hourly

Overcast

Sun 10-25

Overcast with a high of 77°F and a low of 56°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 8mph and gusts of 12.4mph at 1 AM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 56% at 7 AM and 29% being its lowest at 4 PM. Barometric pressure is its highest of 30.35^inHg at 10 AM, a lowest point of 30.24^inHg at 4 PM with an avg 30.29^inHg.

HI: 77°F
LO: 56°F

Rain: 10%
Snow: 0%

Wind
7.4 mph
Humidity
43% avg.

UV Index
5
Air Quality
Good

Sunrise
07:22 AM
Sunset
06:09 PM

Moonrise
05:34 PM
Moonset
06:48 AM
Moon Phase
Full Moon

Hourly

Overcast

Mon 10-26

Overcast with a high of 75°F and a low of 51°F. There might be light rainfall having a 19% chance. Wind will be moderate, blowing around 17mph on average and gusts of 25.9mph at 10 PM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 79% at 11 PM and 33% being its lowest at 4 PM. Barometric pressure is its highest of 30.23^inHg at 12 AM, a lowest point of 30.08^inHg at 4 PM with an avg 30.17^inHg.

HI: 75°F
LO: 51°F

Rain: 19%
Snow: 0%

Wind
17 mph
Humidity
52% avg.

UV Index
5
Air Quality
TBA

Sunrise
07:23 AM
Sunset
06:07 PM

Moonrise
06:03 PM
Moonset
07:56 AM
Moon Phase
Full Moon

Hourly

Overcast

Tue 10-27

Overcast with a high of 50°F and a low of 42°F. It will likey rain, having a 85% chance of a downpour with an estimated 0.23in. Wind will be moderate, blowing around 15mph on average and gusts of 23.3mph at 7 AM. The humidity will be on the higher side, averaging about 80%, the maximum being 89% at 7 AM and 68% being its lowest at 7 PM. Barometric pressure is its highest of 30.38^inHg at 6 PM, a lowest point of 30.23^inHg at 12 AM with an avg 30.33^inHg.

HI: 50°F
LO: 42°F

Rain: 85% | est. 0.23in
Snow: 0%

Wind
14.8 mph
Humidity
80% avg.

UV Index
2
Air Quality
TBA

Sunrise
07:24 AM
Sunset
06:06 PM

Moonrise
06:40 PM
Moonset
09:06 AM
Moon Phase
Waning Gibbous

Hourly

Sunny

Wed 10-28

Sunny with a high of 54°F and a low of 41°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 8mph and gusts of 14.8mph at 1 AM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 74% at 7 AM and 39% being its lowest at 4 PM. Barometric pressure is its highest of 30.38^inHg at 7 AM, a lowest point of 30.26^inHg at 4 PM with an avg 30.33^inHg.

HI: 54°F
LO: 41°F

Rain: 6%
Snow: 0%

Wind
7.2 mph
Humidity
58% avg.

UV Index
4
Air Quality
TBA

Sunrise
07:25 AM
Sunset
06:05 PM

Moonrise
07:25 PM
Moonset
10:17 AM
Moon Phase
Waning Gibbous

Hourly

Sunny

Thu 10-29

Sunny with a high of 58°F and a low of 38°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 8mph and gusts of 8.3mph at 11 AM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 68% at 11 PM and 40% being its lowest at 2 PM. Barometric pressure is its highest of 30.31^inHg at 9 AM, a lowest point of 30.2^inHg at 4 PM with an avg 30.26^inHg.

HI: 58°F
LO: 38°F

Rain: 4%
Snow: 0%

Wind
7.2 mph
Humidity
56% avg.

UV Index
4
Air Quality
TBA

Sunrise
07:26 AM
Sunset
06:03 PM

Moonrise
08:21 PM
Moonset
11:24 AM
Moon Phase
Waning Gibbous

Hourly

This 10-Day weather forecast is valid for ZIP code 62694, accurately covering the area of Winchester, IL.

Currently

	58°F	30.27 inHg. Barometer 50% Humidity SSE 9.4 mph Wind
Clear

Full Report

National Outlook

Nor'easter Hits Mid-Atlantic and Rainfall Returns to the Southwest 10-20 to 10-22

Tue Oct 20th 2026, 8:19am PDT

Read

Rain and Snow Expected Across the Southwest and Rockies - 10-23-2026 to 10-27-2026

Extended Forecast
Tue Oct 20th 2026, 8:13am PDT

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Illinois

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