Rock Island Weather Forecast
- 27
- 36
Increasing Clouds
- 33
- 40
Mostly Cloudy
- 9
- 43
Rain Likely
- 23
- 31
Mostly Cloudy
- 21
- 43
Partly Sunny
- 26
- 34
Mostly Cloudy
Today 16 Dec Rock Island
Patchy freezing fog in the morning. Mostly sunny. Highs in the mid 30s. South Winds 5 to 10 Mph with Gusts up to 25 Mph.
Tonight 16 Dec Rock Island
Mostly cloudy. Not as cool with Lows in the upper 20s. Southwest Winds around 10 Mph, becoming west after midnight.
Rock Island Temperature Statistics
December Temperature
Moline Quad-City Airport (5 miles)
Lowest 4 December, 2025
-2.9 °FAverage December
21.5 °FHighest 10 December, 2025
44.1 °F
Climate (2020–Present)
Moline Quad-City Airport (5 miles)
Average Low 2020–2025
42.9 °FAverage 2020–2025
53.4 °FAverage High 2020–2025
63.6 °F