Port Byron Weather Forecast
- 76
- 88
Decreasing Clouds
- 75
- 94
Mostly Sunny
- 72
- 92
Chance Thunderstorms
- 71
- 86
Chance Thunderstorms
- 71
- 88
Slight Chance Thunderstorms
- 72
- 91
Slight Chance Thunderstorms
Today 22 Jul Rock Island
Partly sunny. Humid with Highs in the upper 80s. Southeast Winds 5 to 10 Mph. Heat index Values up to 101 in the afternoon.
Tonight 22 Jul Rock Island
Partly cloudy. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Heat index Values up to 100 early in the evening.
Port Byron Temperature Statistics
July Temperature
Davenport Municipal Airport (13 miles)
Lowest 14 July, 2025
60.7 °FAverage July
75.9 °FHighest 3 July, 2025
90.6 °F
Climate (2020–Present)
Davenport Municipal Airport (13 miles)
Average Low 2020–2025
41.9 °FAverage 2020–2025
52 °FAverage High 2020–2025
61.9 °F