10-day forecast for Grayville, IL: 65° to 96°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Tuesday, August 11
75° · 0.87 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0992° / 74°0
Morning79°feels 79°
Afternoon92°feels 100°
Evening85°feels 96°
Overnight76°feels 78°
92 °
Grayville, Sunday, 9 August
Mostly clear. High 92°, low 74°.
Pressure30.03 inHg
Wind10.8 mph SW
Humidity64%
Visibility6.2 mi
Dew point73°
Mon, 1093° / 74°0
Morning79°feels 79°
Afternoon91°feels 98°
Evening82°feels 87°
Overnight78°feels 80°
93 °
Grayville, Monday, 10 August
Mostly clear. High 93°, low 74°.
Pressure30.00 inHg
Wind14.5 mph SW
Humidity62%
Visibility6.2 mi
Dew point73°
Tue, 1196° / 75°0
Morning78°feels 79°
Afternoon96°feels 103°
Evening86°feels 92°
Overnight78°feels 79°
96 °
Grayville, Tuesday, 11 August
Overcast. High 96°, low 75°.
Pressure29.91 inHg
Wind12.8 mph SW
Humidity54%
Visibility6.2 mi
Dew point72°
Wed, 1284° / 69°0.2
Morning75°feels 76°
Afternoon85°feels 89°
Evening70°feels 71°
Overnight85°feels 88°
84 °
Grayville, Wednesday, 12 August
Rain. High 84°, low 69°.
Pressure29.85 inHg
Wind9.1 mph W
Humidity75%
Visibility6.2 mi
Dew point72°
Thu, 1381° / 68°0.2
Morning72°feels 74°
Afternoon80°feels 83°
Evening74°feels 76°
Overnight71°feels 73°
81 °
Grayville, Thursday, 13 August
Light rain. High 81°, low 68°.
Pressure29.97 inHg
Wind9.8 mph NE
Humidity75%
Visibility—
Dew point70°
Fri, 1475° / 68°0.87
Morning71°feels 73°
Afternoon74°feels 76°
Evening71°feels 72°
Overnight69°feels 70°
75 °
Grayville, Friday, 14 August
Rain. High 75°, low 68°.
Pressure30.03 inHg
Wind10.5 mph NE
Humidity89%
Visibility—
Dew point71°
Sat, 1576° / 66°0.09
Morning68°feels 69°
Afternoon74°feels 75°
Evening72°feels 73°
Overnight67°feels 67°
76 °
Grayville, Saturday, 15 August
Light rain. High 76°, low 66°.
Pressure30.21 inHg
Wind14.8 mph E
Humidity72%
Visibility—
Dew point64°
Sun, 1685° / 65°0.18
Morning70°feels 72°
Afternoon80°feels 84°
Evening79°feels 79°
Overnight72°feels 74°
85 °
Grayville, Sunday, 16 August
Light rain. High 85°, low 65°.
Pressure30.06 inHg
Wind9 mph SE
Humidity78%
Visibility—
Dew point71°
Mon, 1780° / 69°0.1
Morning73°feels 75°
Afternoon80°feels 84°
Evening77°feels 78°
Overnight73°feels 74°
80 °
Grayville, Monday, 17 August
Light rain. High 80°, low 69°.
Pressure30.06 inHg
Wind7.2 mph N
Humidity78%
Visibility—
Dew point72°
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 Grayville, 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.