Weather WorldSt. Augustine High School, IL 14 Day Weather
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St. Augustine High School, IL Weather Forecast
St. Augustine High School, IL Weather Forecast Dated: 321 PM Fri Sep 11 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, September 11, 2026
Mid-Morning
68°F 20°C
Partly Cloudy
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
76°F 24°C
Sunny
Warm and summery near 81°F 27°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.
Saturday, September 12, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
81°F 27°C
Sunny
Balmy with temperatures reaching 85°F 30°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SSW to the SW at 6 mph 10 km/h.
Sunday, September 13, 2026
Mid-Morning
70°F 21°C
Scattered Showers
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
68°F 20°C
Overcast
Enjoyable around 71°F 22°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds switching from the NNE to the NE at 8 mph 13 km/h.
Monday, September 14, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
76°F 24°C
Overcast
Mild temperatures up to 70°F 21°C, overcast through the afternoon, turning cloudy this evening, with increasing humidity and barometric pressure falling. Winds moving from the E to the SE at 10 mph 15 km/h. Gusts up to 28 mph 45 km/h.
Tuesday, September 15, 2026
Mid-Morning
76°F 24°C
Scattered Showers
Mid-Afternoon
85°F 29°C
Overcast
Early-Evening
77°F 25°C
Overcast
Quite warm reaching 85°F 29°C, feeling like 88°F 31°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds swinging from the WSW to the NNE at 4 mph 6 km/h.
Wednesday, September 16, 2026
Mid-Morning
69°F 21°C
Light Showers
Mid-Afternoon
67°F 19°C
Light Showers
Early-Evening
65°F 18°C
Light Showers
Mildly cool near 67°F 19°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds blowing from the NNE at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
65°F 18°C
Scattered Showers
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
63°F 17°C
Sunny
Comfortable with temperatures reaching 69°F 21°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the N to the WSW at 8 mph 13 km/h.
Friday, September 18, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
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 barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
62°F 16°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
67°F 20°C
Sunny
Mild temperatures up to 74°F 23°C, sunny throughout the day, with steady humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
70°F 21°C
Sunny
Mild with a high of 77°F 25°C, sunny throughout the day, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
70°F 21°C
Sunny
Pleasant near 76°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the E at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
73°F 23°C
Partly Cloudy
Comfortable with temperatures reaching 77°F 25°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
76°F 24°C
Sunny
Quite warm around 80°F 27°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
74°F 24°C
Overcast
Mild temperatures up to 79°F 26°C, overcast throughout the day, with steady humidity and steady pressure.
St. Augustine High School, IL Weather Radar Map
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