Grayville, IL 14 Day Weather - 62844 WeatherWorld.com
Quick Weather Clicks
Settings
Sun & Moon


Grayville, IL Weather Forecast


Grayville, IL Weather Forecast Dated: 843 PM Thu Sep 03 2026
Expect a hot stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
98°F 36°C
Sunny
Early-Evening
88°F 31°C
Sunny
Sizzling hot near 98°F 36°C with a heat index reaching 105°F 40°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the SSW to the S at 8 mph 13 km/h.
Friday, September 4, 2026
Mid-Morning
87°F 31°C
Sunny
Mid-Afternoon
101°F 38°C
Overcast
Early-Evening
94°F 35°C
Overcast
Sweltering temperatures near 101°F 38°C with a heat index of 104°F 40°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the WSW to the S at 9 mph 14 km/h.
Saturday, September 5, 2026
Mid-Morning
89°F 32°C
Sunny
Mid-Afternoon
102°F 39°C
Sunny
Early-Evening
79°F 26°C
Scattered Showers
Dangerously hot with a high of 102°F 39°C (heat index near 106°F 41°C), locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the WSW to the SW at 10 mph 16 km/h.
Sunday, September 6, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
82°F 28°C
Sunny
Hot temperatures near 92°F 33°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the ENE at 11 mph 18 km/h. Gusts up to 22 mph 35 km/h.
Monday, September 7, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
81°F 27°C
Partly Cloudy
Very warm with a high of 89°F 32°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds blowing from the E at 8 mph 13 km/h.
Tuesday, September 8, 2026
Mid-Morning
77°F 25°C
Cloudy
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
88°F 32°C
Sunny
Very hot with temperatures reaching 94°F 34°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds SSE at 8 mph 13 km/h.
Wednesday, September 9, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
105°F 41°C
Cloudy
Early-Evening
96°F 36°C
Cloudy
Dangerously hot temperatures around 105°F 41°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the SW to the ENE at 6 mph 10 km/h.
Thursday, September 10, 2026
Mid-Morning
89°F 32°C
Overcast
Mid-Afternoon
109°F 43°C
Sunny
Early-Evening
95°F 35°C
Overcast
Sweltering temperatures near 109°F 43°C with a heat index of 112°F 45°C, cloudy throughout the day, with steady humidity and barometric pressure falling. Winds moving from the WSW to the S at 11 mph 17 km/h.
Friday, September 11, 2026
Mid-Morning
88°F 31°C
Scattered Showers
Mid-Afternoon
101°F 38°C
Scattered Showers
Early-Evening
91°F 33°C
Scattered Showers
Scorching hot near 101°F 38°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the WSW to the ESE at 7 mph 11 km/h.
Saturday, September 12, 2026
Mid-Morning
87°F 31°C
Sunny
Mid-Afternoon
104°F 40°C
Sunny
Early-Evening
96°F 36°C
Partly Cloudy
Sweltering heat reaching 104°F 40°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds picking up from SSW at 2 mph 4 km/h to S at 11 mph 17 km/h.
Sunday, September 13, 2026
Mid-Morning
92°F 34°C
Sunny
Mid-Afternoon
104°F 40°C
Partly Cloudy
Early-Evening
90°F 32°C
Overcast
Dangerously hot temperatures around 104°F 40°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with increasing humidity and steady pressure. Winds turning from the WSW to the WNW at 12 mph 19 km/h. Gusts up to 20 mph 33 km/h.
Monday, September 14, 2026
Mid-Morning
86°F 30°C
Light Showers
Mid-Afternoon
103°F 39°C
Partly Cloudy
Early-Evening
90°F 33°C
Overcast
Dangerously hot with a high of 103°F 39°C, morning showers, giving way to clearing skies, with lower humidity and barometric pressure falling. Winds switching from the S to the SSW at 8 mph 14 km/h.
Tuesday, September 15, 2026
Mid-Morning
73°F 23°C
Cloudy
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
76°F 24°C
Sunny
Quite warm around 85°F 30°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the WNW to the ESE at 9 mph 15 km/h.
Wednesday, September 16, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
74°F 23°C
Sunny
Warm temperatures up to 84°F 29°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the NNW to the NNE at 9 mph 14 km/h.
Grayville, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...
Weather World