National City Weather Forecast
- 62
- 73
Rain Showers
- 57
- 73
Rain Showers
- 51
- 73
Chance Rain Showers
- 48
- 68
Chance Rain Showers
- 50
- 71
Slight Chance Rain Showers
- 53
- 74
Mostly Sunny
- 57
- 79
Partly Sunny
Today 30 Apr St. Clair
Mostly cloudy with scattered Showers and Thunderstorms. Highs in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 30 Apr St. Clair
Showers with Thunderstorms likely early this Evening, then Showers and Thunderstorms likely. Some Thunderstorms may be severe with damaging Winds, large Hail, and Tornadoes early this evening. Lows in the lower 60s. Southeast Winds 5 to 10 Mph, becoming south. Chance of rain 90 percent.
National City Temperature Statistics
April Temperature
St. Louis Downtown Airport (5.6 miles)
Lowest 8 April, 2025
30.8 °FAverage April
58.1 °FHighest 28 April, 2025
84.9 °F
Climate (2020–Present)
St. Louis Downtown Airport (5.6 miles)
Average Low 2020–2025
47.3 °FAverage 2020–2025
57.7 °FAverage High 2020–2025
68.3 °F