Olsen Slough Weather Forecast
- 53
- 59
Rain Showers Likely
- 54
- 60
Rain Showers
- 53
- 65
Chance Rain Showers
- 54
- 74
Partly Sunny
- 50
- 71
Partly Sunny
- 50
- 70
Mostly Sunny
Today 18 Sep Nelson
Cloudy. A chance of Showers this Morning, then Showers likely and a slight chance of Thunderstorms this afternoon. Highs 55 to 60. Breezy. Northeast Winds 15 to 25 Mph. Chance of rain 70 percent.
Tonight 18 Sep Nelson
Showers likely. A chance of Thunderstorms, mainly in the evening. Lows in the mid 50s. Northeast Winds 10 to 20 Mph. Chance of rain 70 percent.
Olsen Slough Temperature Statistics
September Temperature
Cooperstown (29.8 miles)
Lowest 7 September, 2025
32 °FAverage September
59.3 °FHighest 14 September, 2025
84.2 °F
Climate (2020–Present)
Cooperstown (29.8 miles)
Average Low 2020–2025
31.2 °FAverage 2020–2025
41.6 °FAverage High 2020–2025
52 °F