Ha-Rail Airport Weather Forecast
- 69
- 85
Chance Thunderstorms
- 59
- 82
Partly Sunny
- 57
- 80
Partly Sunny
- 61
- 80
Mostly Cloudy
- 69
- 84
Rain Showers Likely
- 62
- 85
Chance Rain Showers
- 56
- 77
Slight Chance Rain Showers
Today 4 Sep Jefferson
Partly sunny with a 20 percent chance of Showers and Thunderstorms. Heat index Readings 95 to 96. Southwest Winds up to 10 Mph.
Tonight 4 Sep Jefferson
Partly cloudy until early morning then becoming mostly cloudy. A 40 percent chance of Showers and Thunderstorms until early morning. Areas of fog in the late evening and overnight. Lows in the upper 60s. Northeast Winds up to 5 Mph.
Ha-Rail Airport Temperature Statistics
September Temperature
Watertown (12.4 miles)
Lowest 1 September, 2026
67.6 °FAverage September
77 °FHighest 1 September, 2026
87.3 °F
Climate (2021–2026)
Watertown (12.4 miles)
Average Low 2021–2026
35.2 °FAverage 2021–2026
44.8 °FAverage High 2021–2026
53.9 °F