10-day forecast for Delta, IL: 57° to 100°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
100°
Best day: Tuesday, August 11
81° · 0.46 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0991° / 73°0
Morning78°feels 79°
Afternoon91°feels 93°
Evening83°feels 88°
Overnight75°feels 77°
91 °
Delta, Sunday, 9 August
Clear. High 91°, low 73°.
Pressure30.03 inHg
Wind11.5 mph S
Humidity47%
Visibility6.2 mi
Dew point66°
Mon, 1098° / 75°0
Morning79°feels 79°
Afternoon97°feels 101°
Evening85°feels 91°
Overnight77°feels 78°
98 °
Delta, Monday, 10 August
Clear. High 98°, low 75°.
Pressure30.00 inHg
Wind14.2 mph SW
Humidity44%
Visibility6.2 mi
Dew point69°
Tue, 11100° / 75°0
Morning81°feels 83°
Afternoon99°feels 104°
Evening89°feels 94°
Overnight80°feels 80°
100 °
Delta, Tuesday, 11 August
Light rain. High 100°, low 75°.
Pressure29.94 inHg
Wind15.8 mph SW
Humidity38%
Visibility6.2 mi
Dew point67°
Wed, 1298° / 79°0
Morning83°feels 86°
Afternoon90°feels 94°
Evening84°feels 87°
Overnight83°feels 86°
98 °
Delta, Wednesday, 12 August
Overcast. High 98°, low 79°.
Pressure29.83 inHg
Wind15.4 mph W
Humidity37%
Visibility6.2 mi
Dew point66°
Thu, 1384° / 72°0.37
Morning75°feels 77°
Afternoon80°feels 85°
Evening76°feels 77°
Overnight73°feels 74°
84 °
Delta, Thursday, 13 August
Rain. High 84°, low 72°.
Pressure29.88 inHg
Wind9.7 mph S
Humidity75%
Visibility—
Dew point71°
Fri, 1481° / 64°0.46
Morning71°feels 73°
Afternoon80°feels 80°
Evening72°feels 72°
Overnight65°feels 65°
81 °
Delta, Friday, 14 August
Rain. High 81°, low 64°.
Pressure30.09 inHg
Wind11.5 mph NE
Humidity53%
Visibility—
Dew point60°
Sat, 1582° / 57°0
Morning64°feels 63°
Afternoon79°feels 79°
Evening71°feels 71°
Overnight63°feels 63°
82 °
Delta, Saturday, 15 August
Overcast. High 82°, low 57°.
Pressure30.27 inHg
Wind8.1 mph E
Humidity36%
Visibility—
Dew point48°
Sun, 1686° / 60°0
Morning67°feels 66°
Afternoon83°feels 82°
Evening77°feels 77°
Overnight71°feels 71°
86 °
Delta, Sunday, 16 August
Light rain. High 86°, low 60°.
Pressure30.21 inHg
Wind7.4 mph S
Humidity37%
Visibility—
Dew point52°
Mon, 1788° / 70°0.21
Morning75°feels 78°
Afternoon87°feels 93°
Evening83°feels 89°
Overnight76°feels 78°
88 °
Delta, Monday, 17 August
Light rain. High 88°, low 70°.
Pressure30.00 inHg
Wind17.9 mph SW
Humidity59%
Visibility—
Dew point69°
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 Delta, 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.