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Galena, IL Weather Forecast
Galena, IL Weather Forecast Dated: 747 PM Wed Sep 09 2026
Expect a mild stretch with more clouds than sun and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Wednesday, September 9, 2026
Mid-Morning
71°F 22°C
Heavy Rain
Mid-Afternoon
83°F 28°C
Heavy Rain
Early-Evening
73°F 23°C
Sunny
Warm and summery near 83°F 28°C, intermittent showers through midday, easing by evening, with lower humidity and steady pressure. Winds turning from the SW to the WNW at 7 mph 11 km/h.
Thursday, September 10, 2026
Mid-Morning
67°F 19°C
Overcast
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
72°F 22°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
71°F 22°C
Sunny
Enjoyable around 78°F 26°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the S to the SSE at 9 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
71°F 22°C
Nearby Thunderstorms
Early-Evening
69°F 21°C
Scattered Showers
Mild temperatures up to 71°F 22°C, periods of heavy thunderstorms, with increasing humidity and steady pressure. Winds moving from the SSW to the NNW at 5 mph 7 km/h.
Sunday, September 13, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
73°F 23°C
Cloudy
Mild with a high of 77°F 25°C, overcast throughout the day, with increasing humidity and steady pressure. Winds swinging from the ENE to the ESE at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
67°F 19°C
Light Showers
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
74°F 24°C
Overcast
Pleasant near 73°F 23°C, morning showers, giving way to clearing skies, with steady humidity and steady pressure. Winds tapering down from SSE 14 mph 22 km/h to W 6 mph 9 km/h.
Tuesday, September 15, 2026
Mid-Morning
56°F 13°C
Light Fog
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
61°F 16°C
Overcast
Comfortable at 65°F 18°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the NW to the SE at 5 mph 8 km/h.
Wednesday, September 16, 2026
Mid-Morning
60°F 16°C
Light Fog
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
65°F 19°C
Overcast
Enjoyable around 70°F 21°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the E to the ESE at 6 mph 10 km/h.
Thursday, September 17, 2026
Mid-Morning
58°F 15°C
Scattered Showers
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
64°F 18°C
Cloudy
Refreshing around 64°F 18°C, locally heavy downpours at times, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
66°F 19°C
Partly Cloudy
Mid-Afternoon
77°F 25°C
Partly Cloudy
Early-Evening
72°F 23°C
Partly Cloudy
Mild with a high of 77°F 25°C, partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the SW to the S at 8 mph 12 km/h.
Saturday, September 19, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
81°F 27°C
Partly Cloudy
Early-Evening
74°F 24°C
Sunny
Quite warm reaching 81°F 27°C, feeling like 84°F 29°C during peak afternoon, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SW to the NE at 8 mph 13 km/h.
Sunday, September 20, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
72°F 22°C
Scattered Showers
Early-Evening
70°F 22°C
Scattered Showers
Comfortable with temperatures reaching 72°F 22°C, locally heavy downpours at times, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
64°F 18°C
Light Showers
Mid-Afternoon
67°F 19°C
Scattered Showers
Early-Evening
66°F 19°C
Scattered Showers
Refreshing around 67°F 19°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the ENE to the E at 9 mph 15 km/h.
Tuesday, September 22, 2026
Mid-Morning
64°F 18°C
Light Fog
Mid-Afternoon
73°F 23°C
Light Showers
Early-Evening
68°F 20°C
Sunny
Mild temperatures up to 73°F 23°C, clouds building with afternoon showers likely, with lower humidity and steady pressure.
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