New Castle, IL 14 Day Weather - WeatherWorld.com
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New Castle, IL Weather Forecast


New Castle, IL Weather Forecast Dated: 1202 AM Wed Oct 07 2026
Expect a mild stretch with plenty of sunshine and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, October 7, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
72°F 22°C
Sunny
Warm and summery near 84°F 29°C, sunny throughout the day, with steady humidity and steady pressure.
Thursday, October 8, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
73°F 23°C
Sunny
Balmy with temperatures reaching 85°F 30°C, sunny throughout the day, with lower humidity and steady pressure.
Friday, October 9, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
77°F 25°C
Sunny
Quite warm around 88°F 31°C, sunny throughout the day, with steady humidity and steady pressure.
Saturday, October 10, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
71°F 22°C
Overcast
Warm temperatures up to 84°F 29°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds turning from the S to the ESE at 6 mph 10 km/h. Gusts up to 20 mph 33 km/h.
Sunday, October 11, 2026
Mid-Morning
60°F 15°C
Drizzle
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
62°F 17°C
Partly Cloudy
Refreshing around 62°F 17°C, scattered downpours possible, with steady humidity and barometric pressure rising. Winds switching from the WNW to the NW at 4 mph 7 km/h.
Monday, October 12, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
73°F 23°C
Sunny
Warm and summery near 83°F 28°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Tuesday, October 13, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
77°F 25°C
Sunny
Balmy with temperatures reaching 85°F 30°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the SW to the SSW at 6 mph 9 km/h.
Wednesday, October 14, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
79°F 26°C
Sunny
Quite warm around 89°F 32°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the S to the SSE at 7 mph 11 km/h.
Thursday, October 15, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
74°F 24°C
Overcast
Warm temperatures up to 88°F 31°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds shifting from the SSW to the NW at 12 mph 19 km/h. Gusts up to 28 mph 45 km/h.
Friday, October 16, 2026
Mid-Morning
57°F 14°C
Partly Cloudy
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
58°F 14°C
Overcast
Mildly cool near 65°F 18°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds turning from the N to the WNW at 3 mph 5 km/h.
Saturday, October 17, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
52°F 11°C
Sunny
Comfortable at 62°F 17°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the WNW to the NNW at 8 mph 13 km/h. Gusts up to 22 mph 35 km/h.
Sunday, October 18, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
52°F 11°C
Sunny
Cool with a high near 59°F 15°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Monday, October 19, 2026
Mid-Morning
53°F 11°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
61°F 16°C
Sunny
Enjoyable around 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the SSW to the S at 6 mph 10 km/h.
Tuesday, October 20, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
65°F 18°C
Sunny
Mild temperatures up to 75°F 24°C, sunny throughout the day, with steady humidity and steady pressure.
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