Lewis and Clark State Park Weather Forecast
- 49
- 62
Chance Rain Showers
- 47
- 66
Mostly Cloudy
- 50
- 74
Mostly Sunny
- 53
- 80
Partly Sunny
- 47
- 70
Mostly Sunny
- 47
- 74
Mostly Sunny
Today 18 Sep Williams
Patchy fog early in the morning. Cloudy with a chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the lower 60s. East Winds 5 to 15 Mph. Chance of rain 40 percent.
Tonight 18 Sep Williams
Cloudy. A slight chance of Showers in the evening. Lows in the upper 40s. East Winds 5 to 10 Mph.
Lewis and Clark State Park Temperature Statistics
September Temperature
WATFORD CITY (21.1 miles)
Lowest 6 September, 2025
28.4 °FAverage September
62.6 °FHighest 1 September, 2025
87.8 °F
Climate (2020–Present)
WATFORD CITY (21.1 miles)
Average Low 2020–2025
31.5 °FAverage 2020–2025
43.5 °FAverage High 2020–2025
54.8 °F