Augusta Weather Forecast
- 21
- 42
Mostly Sunny
- 13
- 32
Mostly Sunny
- 18
- 34
Mostly Sunny
- 41
- 57
Mostly Cloudy
- 34
- 60
Chance Rain
- 30
- 52
Slight Chance Rain
- 39
- 63
Mostly Sunny
Today 21 Feb St. Charles
Mostly sunny. Highs in the lower 40s. Northwest Winds 10 to 15 Mph.
Tonight 21 Feb St. Charles
Mostly clear. Lows in the lower 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.
Augusta Temperature Statistics
February Temperature
Washington Regional Airport (5.6 miles)
Lowest 1 February, 2026
-4 °FAverage February
41.3 °FHighest 18 February, 2026
73.4 °F
Climate (2021–Present)
Washington Regional Airport (5.6 miles)
Average Low 2021–2026
47.5 °FAverage 2021–2026
58.2 °FAverage High 2021–2026
69.3 °F