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Hourly Forecast
Daylight Hours
06:49
Sunrise
19:01
Sunset
Moon
Waxing Crescent
12:45
Moonrise
21:07
Moonset
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Weather in Galesburg today, September 16, 2026
Galesburg stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Cloud leads the morning, peaking close to 100% near 09:00. Sunshine has little room until later in the day.
The temperature range runs from about 19°C up to 23°C. Expect humidity between 92% and 98%, most humid near 20:00. A lighter breeze peaks around 23:00 near 2.8 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 11.1 km, with poorer spells close to 2.0 km. Daylight runs from 06:49 to 19:01, lasting 12 hours 12 minutes of sunlight today.
Taken together, overcast skies in Galesburg on September 16, 2026 favour indoor or covered options, with temperatures near 23°C.
Frequently asked questions about weather in Galesburg
How warm does it get in Galesburg?
The warmest month in Galesburg is July, with average high temperatures of 30°C. The average temperature during this period is around 25°C.
How cold does it get in Galesburg?
The coldest month in Galesburg is January, with average low temperatures of -7°C. The average temperature during this period is around -4°C.
What is the wettest time of year in Galesburg?
The wettest month in Galesburg is May, with an average of 126mm of precipitation.
What is the driest time of year in Galesburg?
The driest month in Galesburg is November, with an average of 51mm of precipitation.
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