Pecatonica, IL 14 Day Weather - 61024 WeatherWorld.com
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Pecatonica, IL Weather Forecast


Pecatonica, IL Weather Forecast Dated: 720 PM Thu Sep 03 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.
Thursday, September 3, 2026
Mid-Morning
80°F 27°C
Drizzle
Mid-Afternoon
95°F 35°C
Rain Showers
Early-Evening
88°F 31°C
Rain Showers
Sizzling hot near 95°F 35°C with a heat index reaching 103°F 40°C, rounds of showers expected off and on all day, with lower humidity and steady pressure. Winds turning from the SW to the S at 6 mph 10 km/h.
Friday, September 4, 2026
Mid-Morning
72°F 22°C
Scattered Showers
Mid-Afternoon
88°F 31°C
Nearby Thunderstorms
Early-Evening
83°F 28°C
Nearby Thunderstorms
Quite warm reaching 88°F 31°C, feeling like 92°F 33°C during peak afternoon, scattered downpours possible, with lower humidity and steady pressure. A stray shower or storm late in the day. Winds switching from the SE to the ESE at 4 mph 7 km/h.
Saturday, September 5, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
77°F 25°C
Sunny
Very warm near 84°F 29°C, though humidity makes it feel like 88°F 31°C, sunny throughout the day, with lower humidity and steady pressure. Winds NE at 7 mph 11 km/h.
Sunday, September 6, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
72°F 23°C
Sunny
Warm temperatures up to 81°F 27°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds out of the E at 8 mph 13 km/h.
Monday, September 7, 2026
Mid-Morning
67°F 19°C
Partly Cloudy
Mid-Afternoon
78°F 25°C
Cloudy
Early-Evening
72°F 22°C
Partly Cloudy
Mild with a high of 78°F 25°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SSE to the ESE at 10 mph 15 km/h.
Tuesday, September 8, 2026
Mid-Morning
67°F 20°C
Overcast
Mid-Afternoon
80°F 27°C
Scattered Showers
Early-Evening
80°F 27°C
Sunny
Warm and summery near 80°F 27°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds S at 18 mph 29 km/h. Gusts up to 34 mph 55 km/h.
Wednesday, September 9, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
76°F 25°C
Sunny
Balmy with temperatures reaching 83°F 28°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the NW to the WNW at 7 mph 11 km/h.
Thursday, September 10, 2026
Mid-Morning
70°F 21°C
Scattered Showers
Mid-Afternoon
80°F 27°C
Light Showers
Early-Evening
77°F 25°C
Partly Cloudy
Quite warm around 80°F 27°C, scattered downpours possible, with lower humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
76°F 25°C
Cloudy
Early-Evening
69°F 21°C
Sunny
Mild temperatures up to 76°F 25°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds blowing from the ESE at 16 mph 26 km/h. Gusts up to 26 mph 41 km/h.
Saturday, September 12, 2026
Mid-Morning
70°F 21°C
Partly Cloudy
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
88°F 31°C
Sunny
Sizzling hot near 90°F 32°C with a heat index reaching 93°F 34°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds S at 12 mph 19 km/h. Gusts up to 22 mph 36 km/h.
Sunday, September 13, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
85°F 30°C
Sunny
Very hot with temperatures reaching 93°F 34°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds shifting from the WSW to the SSW at 15 mph 24 km/h. Gusts up to 28 mph 45 km/h.
Monday, September 14, 2026
Mid-Morning
70°F 21°C
Scattered Showers
Mid-Afternoon
72°F 22°C
Scattered Showers
Early-Evening
69°F 21°C
Light Showers
Comfortable with temperatures reaching 72°F 22°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds turning from the SW to the W at 11 mph 19 km/h. Gusts up to 25 mph 40 km/h.
Tuesday, September 15, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
59°F 15°C
Cloudy
Refreshing around 65°F 18°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with increasing humidity and barometric pressure rising. Winds switching from the WNW to the NW at 12 mph 18 km/h. Gusts up to 22 mph 35 km/h.
Wednesday, September 16, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
59°F 16°C
Overcast
Mildly cool near 65°F 18°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds moving from the NNW to the N at 8 mph 12 km/h.
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