Jaynes Park, IL 14 Day Weather
Quick Weather Clicks
Settings
Sun & Moon


Jaynes Park, IL Weather Forecast


Jaynes Park, IL Weather Forecast Dated: 743 PM Tue Sep 15 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Tuesday, September 15, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
98°F 37°C
Cloudy
Early-Evening
85°F 30°C
Partly Cloudy
Very hot with temperatures reaching 98°F 37°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds easing from SSW 17 mph 27 km/h to ENE 7 mph 11 km/h.
Wednesday, September 16, 2026
Mid-Morning
74°F 23°C
Light Showers
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
87°F 31°C
Sunny
Hot and sweltering around 92°F 33°C (heat index 97°F 36°C), scattered morning showers before drying out later, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
87°F 31°C
Sunny
Very hot with a high of 96°F 35°C, feeling closer to 100°F 38°C in the humidity, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the SSW to the NE at 8 mph 13 km/h.
Friday, September 18, 2026
Mid-Morning
75°F 24°C
Scattered Showers
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
89°F 31°C
Sunny
Sizzling hot near 94°F 34°C with a heat index reaching 98°F 37°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds moving from the E to the SE at 7 mph 11 km/h.
Saturday, September 19, 2026
Mid-Morning
77°F 25°C
Overcast
Mid-Afternoon
93°F 34°C
Overcast
Early-Evening
83°F 28°C
Overcast
Very hot with a high of 93°F 34°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the W to the ESE at 11 mph 17 km/h. Gusts up to 20 mph 33 km/h.
Sunday, September 20, 2026
Mid-Morning
81°F 27°C
Overcast
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
86°F 30°C
Sunny
Very hot with temperatures reaching 96°F 36°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds building from SSW at 0 mph 1 km/h to SE at 9 mph 15 km/h.
Monday, September 21, 2026
Mid-Morning
76°F 24°C
Overcast
Mid-Afternoon
88°F 31°C
Cloudy
Early-Evening
78°F 26°C
Overcast
Balmy with temperatures reaching 88°F 31°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the WNW to the ESE at 11 mph 18 km/h.
Tuesday, September 22, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
80°F 27°C
Overcast
Quite warm around 88°F 31°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds switching from the NNE to the E at 9 mph 14 km/h.
Wednesday, September 23, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
80°F 27°C
Overcast
Hot temperatures near 91°F 33°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds blowing from the SE at 12 mph 19 km/h.
Thursday, September 24, 2026
Mid-Morning
71°F 22°C
Light Showers
Mid-Afternoon
71°F 22°C
Light Showers
Early-Evening
66°F 19°C
Light Showers
Mild with a high of 71°F 22°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds swinging from the SW to the W at 8 mph 13 km/h.
Friday, September 25, 2026
Mid-Morning
60°F 16°C
Scattered Showers
Mid-Afternoon
66°F 19°C
Scattered Showers
Early-Evening
64°F 18°C
Light Showers
Comfortable at 66°F 19°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the WNW to the NNW at 14 mph 22 km/h. Gusts up to 29 mph 46 km/h.
Saturday, September 26, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
67°F 20°C
Sunny
Comfortable with temperatures reaching 74°F 23°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the NNW to the N at 10 mph 17 km/h. Gusts up to 21 mph 33 km/h.
Sunday, September 27, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
62°F 17°C
Light Showers
Early-Evening
59°F 15°C
Partly Cloudy
Refreshing around 62°F 17°C, drier morning followed by scattered afternoon showers, with lower humidity and steady pressure. Winds switching from the NNW to the WSW at 6 mph 9 km/h.
Monday, September 28, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mildly cool near 65°F 18°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NNE to the E at 8 mph 12 km/h.
Jaynes Park, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...
Weather World