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Troy, IL Weather Forecast


Troy, IL Weather Forecast Dated: 1153 PM Sat Sep 05 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Saturday, September 5, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
106°F 41°C
Sunny
Early-Evening
97°F 36°C
Sunny
Scorching heat reaching 106°F 41°C, feeling like 119°F 48°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the W to the NNW at 7 mph 11 km/h.
Sunday, September 6, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
81°F 28°C
Sunny
Hot and sweltering around 90°F 32°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds blowing from the ENE at 11 mph 18 km/h. Gusts up to 20 mph 33 km/h.
Monday, September 7, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
87°F 30°C
Sunny
Early-Evening
79°F 26°C
Overcast
Quite warm around 87°F 30°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds ENE at 8 mph 13 km/h.
Tuesday, September 8, 2026
Mid-Morning
73°F 23°C
Partly Cloudy
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
90°F 33°C
Overcast
Hot temperatures near 97°F 36°C, partly cloudy in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds swinging from the SSE to the S at 7 mph 12 km/h.
Wednesday, September 9, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
90°F 32°C
Scattered Showers
Early-Evening
85°F 29°C
Scattered Showers
Very hot with a high of 90°F 32°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the SSW to the W at 9 mph 14 km/h.
Thursday, September 10, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
88°F 31°C
Overcast
Early-Evening
84°F 28°C
Overcast
Very warm near 88°F 31°C, though humidity makes it feel like 91°F 33°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds turning from the WNW to the SSE at 4 mph 7 km/h.
Friday, September 11, 2026
Mid-Morning
80°F 27°C
Partly Cloudy
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
89°F 31°C
Partly Cloudy
Hot and sweltering around 96°F 36°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds switching from the SSW to the WSW at 10 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
74°F 23°C
Light Showers
Mid-Afternoon
85°F 30°C
Scattered Showers
Early-Evening
81°F 27°C
Sunny
Quite warm reaching 85°F 30°C, feeling like 89°F 31°C during peak afternoon, scattered downpours possible, with lower humidity and steady pressure. Winds moving from the SSW to the SSE at 13 mph 20 km/h. Gusts up to 22 mph 36 km/h.
Sunday, September 13, 2026
Mid-Morning
78°F 25°C
Scattered Showers
Mid-Afternoon
94°F 35°C
Overcast
Early-Evening
92°F 33°C
Overcast
Very hot with a high of 94°F 35°C, feeling closer to 99°F 37°C in the humidity, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the SW to the S at 12 mph 18 km/h. Gusts up to 25 mph 40 km/h.
Monday, September 14, 2026
Mid-Morning
77°F 25°C
Scattered Showers
Mid-Afternoon
87°F 30°C
Scattered Showers
Early-Evening
75°F 24°C
Scattered Showers
Warm and summery around 87°F 30°C (feels like 90°F 32°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the SSW to the NNW at 9 mph 15 km/h.
Tuesday, September 15, 2026
Mid-Morning
60°F 16°C
Light Showers
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
67°F 20°C
Sunny
Pleasant near 74°F 23°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds turning from the NW to the ESE at 12 mph 19 km/h. Gusts up to 23 mph 36 km/h.
Wednesday, September 16, 2026
Mid-Morning
59°F 15°C
Light Fog
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
66°F 19°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the SE to the NNE at 8 mph 12 km/h.
Thursday, September 17, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
67°F 19°C
Sunny
Enjoyable around 74°F 23°C, sunny throughout the day, with lower humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
71°F 21°C
Sunny
Mild temperatures up to 78°F 25°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds out of the ENE at 8 mph 13 km/h.
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