10-day forecast for Winchester, IL: 62° to 102°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
98°
Best day: Monday, August 10
80° · 0.64 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1098° / 76°0
Morning79°feels 79°
Afternoon97°feels 101°
Evening88°feels 89°
Overnight81°feels 84°
98 °
Winchester, Monday, 10 August
Overcast. High 98°, low 76°.
Pressure29.91 inHg
Wind11.9 mph SW
Humidity40%
Visibility6.2 mi
Dew point67°
Tue, 11102° / 72°0.13
Morning75°feels 76°
Afternoon100°feels 104°
Evening88°feels 89°
Overnight73°feels 74°
102 °
Winchester, Tuesday, 11 August
Light rain. High 102°, low 72°.
Pressure29.85 inHg
Wind14.5 mph SW
Humidity38%
Visibility6.2 mi
Dew point67°
Wed, 1294° / 73°0.03
Morning77°feels 78°
Afternoon95°feels 100°
Evening83°feels 90°
Overnight79°feels 79°
94 °
Winchester, Wednesday, 12 August
Light rain. High 94°, low 73°.
Pressure29.83 inHg
Wind2.6 mph NW
Humidity44%
Visibility6.2 mi
Dew point68°
Thu, 1380° / 72°0.64
Morning73°feels 75°
Afternoon79°feels 79°
Evening79°feels 79°
Overnight75°feels 77°
80 °
Winchester, Thursday, 13 August
Rain. High 80°, low 72°.
Pressure29.88 inHg
Wind14 mph E
Humidity75%
Visibility—
Dew point70°
Fri, 1478° / 69°0.24
Morning72°feels 73°
Afternoon77°feels 78°
Evening76°feels 77°
Overnight72°feels 73°
78 °
Winchester, Friday, 14 August
Light rain. High 78°, low 69°.
Pressure30.03 inHg
Wind13.7 mph NE
Humidity81%
Visibility—
Dew point70°
Sat, 1586° / 68°0
Morning73°feels 76°
Afternoon85°feels 93°
Evening82°feels 90°
Overnight74°feels 76°
86 °
Winchester, Saturday, 15 August
Overcast. High 86°, low 68°.
Pressure30.09 inHg
Wind11.8 mph E
Humidity66%
Visibility—
Dew point71°
Sun, 1686° / 69°0
Morning76°feels 79°
Afternoon84°feels 89°
Evening77°feels 77°
Overnight70°feels 71°
86 °
Winchester, Sunday, 16 August
Overcast. High 86°, low 69°.
Pressure30.03 inHg
Wind14.8 mph NW
Humidity64%
Visibility—
Dew point70°
Mon, 1782° / 62°0
Morning67°feels 67°
Afternoon79°feels 80°
Evening74°feels 74°
Overnight69°feels 69°
82 °
Winchester, Monday, 17 August
Overcast. High 82°, low 62°.
Pressure30.09 inHg
Wind8.9 mph NE
Humidity50%
Visibility—
Dew point57°
Tue, 1894° / 66°0.04
Morning71°feels 73°
Afternoon85°feels 89°
Evening82°feels 87°
Overnight73°feels 74°
94 °
Winchester, Tuesday, 18 August
Light rain. High 94°, low 66°.
Pressure29.83 inHg
Wind12.8 mph S
Humidity55%
Visibility—
Dew point65°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Winchester, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.