Princeton, IL 14 Day Weather - 61356 WeatherWorld.com
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Princeton, IL Weather Forecast


Princeton, IL Weather Forecast Dated: 1201 PM Sun Sep 13 2026
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Sunday, September 13, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
64°F 18°C
Partly Cloudy
Pleasant near 69°F 21°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the NNE to the NE at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
67°F 20°C
Overcast
Comfortable with temperatures reaching 68°F 20°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds switching from the ESE to the SE at 17 mph 27 km/h. Gusts up to 35 mph 56 km/h.
Tuesday, September 15, 2026
Mid-Morning
67°F 19°C
Light Showers
Mid-Afternoon
80°F 27°C
Scattered Showers
Early-Evening
68°F 20°C
Scattered Showers
Very warm near 80°F 27°C, though humidity makes it feel like 84°F 29°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the S to the NNW at 11 mph 18 km/h. Gusts up to 21 mph 33 km/h.
Wednesday, September 16, 2026
Mid-Morning
62°F 16°C
Overcast
Mid-Afternoon
64°F 18°C
Light Showers
Early-Evening
62°F 17°C
Scattered Showers
Cool with a high near 64°F 18°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds swinging from the ENE to the NE at 9 mph 15 km/h.
Thursday, September 17, 2026
Mid-Morning
61°F 16°C
Light Fog
Mid-Afternoon
70°F 21°C
Scattered Showers
Early-Evening
66°F 19°C
Cloudy
Mild with a high of 70°F 21°C, scattered downpours possible, with lower humidity and steady pressure. Winds shifting from the NE to the ENE at 7 mph 11 km/h.
Friday, September 18, 2026
Mid-Morning
63°F 17°C
Light Fog
Mid-Afternoon
72°F 22°C
Cloudy
Early-Evening
67°F 19°C
Sunny
Pleasant near 72°F 22°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds turning from the ESE to the SE at 10 mph 15 km/h. Gusts up to 22 mph 35 km/h.
Saturday, September 19, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
83°F 29°C
Sunny
Early-Evening
80°F 27°C
Sunny
Warm and summery around 83°F 29°C (feels like 88°F 31°C), sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the S to the WNW at 8 mph 13 km/h.
Sunday, September 20, 2026
Mid-Morning
62°F 17°C
Scattered Showers
Mid-Afternoon
60°F 15°C
Light Showers
Early-Evening
60°F 15°C
Light Showers
Cool with a high near 60°F 15°C, scattered downpours possible, with steady humidity and steady pressure. Winds blowing from the NE at 13 mph 20 km/h. Gusts up to 32 mph 52 km/h.
Monday, September 21, 2026
Mid-Morning
54°F 12°C
Light Showers
Mid-Afternoon
53°F 12°C
Light Showers
Early-Evening
52°F 11°C
Light Showers
Brisk around 53°F 12°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds swinging from the ENE to the NE at 17 mph 27 km/h. Gusts up to 31 mph 49 km/h.
Tuesday, September 22, 2026
Mid-Morning
50°F 10°C
Scattered Showers
Mid-Afternoon
49°F 10°C
Scattered Showers
Early-Evening
49°F 10°C
Scattered Showers
Cool and brisk at 49°F 10°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds out of the NNW at 16 mph 25 km/h. Gusts up to 28 mph 46 km/h.
Wednesday, September 23, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
50°F 10°C
Overcast
Early-Evening
52°F 11°C
Overcast
Chilly near 50°F 10°C, overcast throughout the day, with steady humidity and steady pressure. Winds blowing from the NNW at 13 mph 22 km/h. Gusts up to 25 mph 40 km/h.
Thursday, September 24, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
58°F 15°C
Overcast
Cool with a high near 62°F 17°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the ESE to the NE at 6 mph 9 km/h.
Friday, September 25, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
61°F 17°C
Sunny
Refreshing around 67°F 20°C, sunny throughout the day, with steady humidity and steady pressure.
Saturday, September 26, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
64°F 18°C
Overcast
Mild temperatures up to 70°F 21°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
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