Pomona Weather Forecast
- 34
- 48
Increasing Clouds
- 25
- 45
Mostly Cloudy
- 24
- 37
Mostly Sunny
- 39
- 47
Mostly Cloudy
- 29
- 50
Slight Chance Rain Showers
- 25
- 41
Mostly Cloudy
Today 6 Dec Jackson
Sunny. Highs in the mid 40s. South Winds around 5 Mph.
Tonight 6 Dec Jackson
Mostly cloudy. Near steady temperature in the mid 30s. South Winds around 5 Mph.
Pomona Temperature Statistics
December Temperature
Southern Illinois Airport (11.8 miles)
Lowest 4 December, 2025
19.9 °FAverage December
27.7 °FHighest 3 December, 2025
35.1 °F
Climate (2020–Present)
Southern Illinois Airport (11.8 miles)
Average Low 2020–2025
47.9 °FAverage 2020–2025
58.2 °FAverage High 2020–2025
68.8 °F