Marysville Weather Forecast
- 23
- 30
Increasing Clouds
- 33
- 40
Partly Sunny
- 39
- 53
Mostly Cloudy
- 41
- 56
Rain Likely
- 50
- 64
Rain Likely
- 41
- 59
Chance Rain
Today 27 Mar St. Clair
Partly cloudy. Highs in the lower 30s. North Winds 5 to 15 Mph with Gusts up to 25 Mph.
Tonight 27 Mar St. Clair
Partly cloudy. A slight chance of snow Showers in the evening. Lows in the lower 20s. Northwest Winds up to 10 Mph. Chance of snow 20 percent.
Marysville Temperature Statistics
March Temperature
St Clair County International Airport (1.9 miles)
Lowest 2 March, 2026
10.4 °FAverage March
37.8 °FHighest 9 March, 2026
68 °F
Climate (2021–Present)
St Clair County International Airport (1.9 miles)
Average Low 2021–2026
39.7 °FAverage 2021–2026
49.4 °FAverage High 2021–2026
58.7 °F