Wittenberg, IL 14 Day Weather
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Wittenberg, IL Weather Forecast


Wittenberg, IL Weather Forecast Dated: 1149 AM Sat Sep 12 2026
Expect a very warm period with plenty of sunshine and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Saturday, September 12, 2026
Mid-Morning
75°F 24°C
Cloudy
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
83°F 29°C
Sunny
Sizzling hot near 94°F 35°C with a heat index reaching 98°F 37°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the W to the ENE at 7 mph 11 km/h.
Sunday, September 13, 2026
Mid-Morning
73°F 23°C
Scattered Showers
Mid-Afternoon
88°F 31°C
Overcast
Early-Evening
74°F 24°C
Partly Cloudy
Balmy with temperatures reaching 88°F 31°C, scattered downpours possible, with lower humidity and steady pressure. Winds building from NNE at 3 mph 5 km/h to NNE at 13 mph 21 km/h. Gusts up to 22 mph 35 km/h.
Monday, September 14, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
78°F 25°C
Overcast
Enjoyable around 78°F 26°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the E to the ESE at 10 mph 15 km/h. Gusts up to 22 mph 35 km/h.
Tuesday, September 15, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
99°F 37°C
Cloudy
Early-Evening
81°F 27°C
Light Showers
Hot temperatures near 99°F 37°C, drier conditions through late afternoon before showers move in, with increasing humidity and steady pressure. Winds swinging from the SSW to the ESE at 8 mph 12 km/h.
Wednesday, September 16, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
85°F 29°C
Sunny
Hot and sweltering around 96°F 36°C (heat index 100°F 38°C), sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the SW to the NE at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
76°F 25°C
Light Fog
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
81°F 28°C
Overcast
Very warm near 87°F 31°C, though humidity makes it feel like 90°F 32°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds turning from the NNE to the WSW at 8 mph 13 km/h.
Friday, September 18, 2026
Mid-Morning
82°F 28°C
Scattered Showers
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
79°F 27°C
Cloudy
Hot and sweltering around 93°F 34°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds switching from the SW to the SSE at 13 mph 20 km/h. Gusts up to 20 mph 32 km/h.
Saturday, September 19, 2026
Mid-Morning
68°F 20°C
Scattered Showers
Mid-Afternoon
70°F 21°C
Partly Cloudy
Early-Evening
65°F 18°C
Scattered Showers
Enjoyable around 70°F 21°C, scattered downpours possible, with lower humidity and steady pressure. Winds moving from the WNW to the ESE at 14 mph 23 km/h. Gusts up to 22 mph 35 km/h.
Sunday, September 20, 2026
Mid-Morning
60°F 16°C
Cloudy
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
64°F 18°C
Sunny
Mild temperatures up to 69°F 21°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds NE at 15 mph 23 km/h. Gusts up to 23 mph 36 km/h.
Monday, September 21, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mild with a high of 70°F 21°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the NE at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
68°F 20°C
Sunny
Pleasant near 74°F 23°C, sunny throughout the day, with steady humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
66°F 19°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 steady humidity and steady pressure. Winds turning from the SW to the N at 11 mph 18 km/h. Gusts up to 24 mph 38 km/h.
Thursday, September 24, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
64°F 18°C
Sunny
Enjoyable around 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the N to the E at 8 mph 12 km/h.
Friday, September 25, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
90°F 32°C
Cloudy
Early-Evening
85°F 29°C
Sunny
Hot temperatures near 90°F 32°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds moving from the S to the SSW at 12 mph 20 km/h. Gusts up to 31 mph 49 km/h.
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