Glenn Weather Forecast
- 59
- 81
Increasing Clouds
- 63
- 83
Slight Chance Thunderstorms
- 64
- 86
Rain Showers Likely
- 58
- 79
Rain Showers Likely
- 59
- 81
Chance Thunderstorms
- 64
- 81
Chance Thunderstorms
- 67
- 83
Chance Thunderstorms
Today 30 Apr Jackson
Sunny. Near steady temperature in the upper 70s. South Winds around 5 Mph.
Tonight 30 Apr Jackson
Mostly clear late this Evening, then becoming partly cloudy. Lows in the upper 50s. South Winds around 5 Mph.
Glenn Temperature Statistics
April Temperature
Southern Illinois Airport (18 miles)
Lowest 6 April, 2024
29.8 °FAverage April
59.9 °FHighest 15 April, 2024
87.7 °F
Climate (2019–Present)
Southern Illinois Airport (18 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
47.5 °FAverage 2019–2024
57.4 °FAverage High 2019–2024
68.1 °F