Collinsville Weather Forecast
- 46
- 74
Mostly Sunny
- 51
- 79
Mostly Sunny
- 57
- 82
Partly Sunny
- 58
- 81
Partly Sunny
- 59
- 81
Rain Showers Likely
- 56
- 78
Rain Showers Likely
Today 23 Jul Lewis
Sunny. Highs Ranging from the upper 60s on the Hilltops to the mid 70s across the lower Elevations. Light Winds, becoming west 5 to 10 Mph.
Tonight 23 Jul Lewis
Mainly clear. Lows in the upper 40s. West Winds 10 Mph or less.
Collinsville Temperature Statistics
July Temperature
Griffiss Air Force Base / Rome (25.5 miles)
Lowest 20 July, 2026
48.9 °FAverage July
73 °FHighest 2 July, 2026
93.9 °F
Climate (2021–2026)
Griffiss Air Force Base / Rome (25.5 miles)
Average Low 2021–2026
39 °FAverage 2021–2026
48.4 °FAverage High 2021–2026
57.6 °F