Rock Island Weather Forecast
- 72
- 89
Chance Rain Showers
- 75
- 92
Slight Chance Thunderstorms
- 71
- 93
Slight Chance Thunderstorms
- 65
- 87
Mostly Sunny
- 64
- 86
Mostly Sunny
- 68
- 88
Slight Chance Thunderstorms
Today 26 Jul Warren
Areas of fog this morning. Mostly cloudy with a chance of Showers this Morning, then mostly sunny this afternoon. Highs in the upper 80s. Northwest Winds around 5 Mph. Chance of rain 50 percent.
Tonight 26 Jul Warren
Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Patchy fog. Lows in the lower 70s. Northwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.
Rock Island Temperature Statistics
July Temperature
McMinnville Warren County Memorial Airport (13.7 miles)
Lowest 14 July, 2026
68 °FAverage July
78.1 °FHighest 1 July, 2026
95 °F
Climate (2021–2026)
McMinnville Warren County Memorial Airport (13.7 miles)
Average Low 2021–2026
48.4 °FAverage 2021–2026
59.5 °FAverage High 2021–2026
70.6 °F