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St. Jacob, IL Weather Forecast
St. Jacob, IL Weather Forecast Dated: 429 AM Thu Oct 29 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.
Thursday, October 29, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
71°F 22°C
Partly Cloudy
Warm and summery near 80°F 27°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSW to the NNE at 6 mph 9 km/h.
Friday, October 30, 2026
Mid-Morning
62°F 17°C
Drizzle
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
68°F 20°C
Overcast
Comfortable with temperatures reaching 76°F 24°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds blowing from the SE at 7 mph 12 km/h.
Saturday, October 31, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
62°F 16°C
Scattered Showers
Enjoyable around 69°F 21°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the ESE to the E at 8 mph 12 km/h.
Sunday, November 1, 2026
Mid-Morning
63°F 17°C
Scattered Showers
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
63°F 17°C
Partly Cloudy
Mild temperatures up to 68°F 20°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Monday, November 2, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
68°F 20°C
Drizzle
Early-Evening
65°F 18°C
Scattered Showers
Mild with a high of 68°F 20°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds out of the SSE at 13 mph 21 km/h. Gusts up to 31 mph 50 km/h.
Tuesday, November 3, 2026
Mid-Morning
67°F 19°C
Drizzle
Mid-Afternoon
69°F 21°C
Light Showers
Early-Evening
70°F 21°C
Scattered Showers
Pleasant near 69°F 21°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the S to the SSE at 11 mph 17 km/h. Gusts up to 30 mph 48 km/h.
Wednesday, November 4, 2026
Mid-Morning
65°F 18°C
Drizzle
Mid-Afternoon
66°F 19°C
Scattered Showers
Early-Evening
62°F 17°C
Overcast
Comfortable at 66°F 19°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Thursday, November 5, 2026
Mid-Morning
51°F 10°C
Drizzle
Mid-Afternoon
54°F 12°C
Partly Cloudy
Early-Evening
49°F 10°C
Partly Cloudy
Crisp with a high near 54°F 12°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds turning from the NNW to the N at 9 mph 15 km/h. Gusts up to 23 mph 37 km/h.
Friday, November 6, 2026
Mid-Morning
51°F 10°C
Partly Cloudy
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
49°F 10°C
Clear
Brisk around 56°F 13°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the N to the NNE at 9 mph 15 km/h. Gusts up to 21 mph 33 km/h.
Saturday, November 7, 2026
Mid-Morning
48°F 9°C
Partly Cloudy
Mid-Afternoon
54°F 12°C
Partly Cloudy
Early-Evening
49°F 10°C
Partly Cloudy
Cool and brisk at 54°F 12°C, partly cloudy throughout the day, with steady humidity and steady pressure.
Sunday, November 8, 2026
Mid-Morning
49°F 9°C
Partly Cloudy
Mid-Afternoon
57°F 14°C
Cloudy
Early-Evening
52°F 11°C
Overcast
Chilly near 57°F 14°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and steady pressure.
Monday, November 9, 2026
Mid-Morning
51°F 10°C
Drizzle
Mid-Afternoon
54°F 12°C
Drizzle
Early-Evening
51°F 11°C
Scattered Showers
Crisp with a high near 54°F 12°C, locally heavy downpours at times, with steady humidity and steady pressure.
Tuesday, November 10, 2026
Mid-Morning
50°F 10°C
Cloudy
Mid-Afternoon
55°F 13°C
Cloudy
Early-Evening
51°F 11°C
Partly Cloudy
Brisk around 55°F 13°C, cloudy through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Wednesday, November 11, 2026
Mid-Morning
53°F 12°C
Partly Cloudy
Mid-Afternoon
61°F 16°C
Cloudy
Early-Evening
55°F 13°C
Cloudy
Mildly cool near 61°F 16°C, cloudy throughout the day, with steady humidity and steady pressure.
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