Eureka Weather Forecast
- 15
- 33
Partly Sunny
- 30
- 44
Partly Sunny
- 23
- 52
Mostly Sunny
- 30
- 45
Partly Sunny
- 26
- 50
Partly Sunny
- 34
- 51
Partly Sunny
Today 4 Feb St. Louis
Mostly cloudy in the Morning, then becoming partly sunny. Highs in the lower 30s. North Winds 5 to 10 Mph.
Tonight 4 Feb St. Louis
Mostly clear. Lows around 16. North Winds around 5 Mph, becoming west after midnight.
Eureka Temperature Statistics
February Temperature
St. Louis, Spirit Of St. Louis Airport (10.6 miles)
Lowest 1 February, 2026
10 °FAverage February
24.7 °FHighest 1 February, 2026
28.9 °F
Climate (2021–Present)
St. Louis, Spirit Of St. Louis Airport (10.6 miles)
Average Low 2021–2026
45.8 °FAverage 2021–2026
57 °FAverage High 2021–2026
68.3 °F