Weather World
Watertown, IL 14 Day Weather - WeatherWorld.com
Quick Weather Clicks
Settings
Sun & Moon
Watertown, IL Weather Forecast
Watertown, IL Weather Forecast Dated: 742 PM Sat Oct 17 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and a stable pattern will dominate.
Saturday, October 17, 2026
Mid-Morning
41°F 5°C
Sunny
Mid-Afternoon
54°F 12°C
Sunny
Early-Evening
46°F 8°C
Sunny
Brisk around 54°F 12°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the W to the SSW at 8 mph 13 km/h.
Sunday, October 18, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
51°F 11°C
Sunny
Mildly cool near 61°F 16°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the SSW to the S at 9 mph 14 km/h. Gusts up to 20 mph 33 km/h.
Monday, October 19, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
55°F 13°C
Sunny
Comfortable at 65°F 18°C, sunny throughout the day, with steady humidity and steady pressure.
Tuesday, October 20, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
56°F 13°C
Sunny
Cool with a high near 66°F 19°C, sunny throughout the day, with steady humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
57°F 14°C
Sunny
Mild with a high of 68°F 20°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Thursday, October 22, 2026
Mid-Morning
57°F 14°C
Partly Cloudy
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
61°F 16°C
Sunny
Pleasant near 69°F 21°C, sunny throughout the day, with steady humidity and steady pressure.
Friday, October 23, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
61°F 16°C
Overcast
Comfortable with temperatures reaching 70°F 21°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the S to the SSE at 9 mph 14 km/h.
Saturday, October 24, 2026
Mid-Morning
60°F 15°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
63°F 17°C
Overcast
Enjoyable around 69°F 21°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the SSW to the S at 9 mph 15 km/h. Gusts up to 23 mph 37 km/h.
Sunday, October 25, 2026
Mid-Morning
62°F 17°C
Cloudy
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
67°F 20°C
Overcast
Mild temperatures up to 72°F 22°C, overcast throughout the day, with steady humidity and steady pressure. Winds shifting from the SSW to the WSW at 12 mph 20 km/h. Gusts up to 27 mph 43 km/h.
Monday, October 26, 2026
Mid-Morning
58°F 15°C
Drizzle
Mid-Afternoon
56°F 13°C
Drizzle
Early-Evening
56°F 13°C
Drizzle
Cool and brisk at 56°F 13°C, rounds of showers expected off and on all day, with steady humidity and steady pressure.
Tuesday, October 27, 2026
Mid-Morning
47°F 9°C
Sunny
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
46°F 8°C
Clear
Chilly near 55°F 13°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NE to the E at 9 mph 15 km/h.
Wednesday, October 28, 2026
Mid-Morning
44°F 6°C
Overcast
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
50°F 10°C
Overcast
Crisp with a high near 54°F 12°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds out of the SSE at 12 mph 19 km/h. Gusts up to 26 mph 41 km/h.
Thursday, October 29, 2026
Mid-Morning
48°F 9°C
Rain
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
60°F 15°C
Overcast
Refreshing around 59°F 15°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure. Winds blowing from the SSW at 12 mph 19 km/h. Gusts up to 23 mph 36 km/h.
Friday, October 30, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
63°F 17°C
Scattered Showers
Mildly cool near 64°F 18°C, scattered downpours possible, with steady humidity and steady pressure. Winds S at 16 mph 26 km/h. Gusts up to 32 mph 51 km/h.
Watertown, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...