Nielsen Lake Weather Forecast
- 47
- 64
Increasing Clouds
- 41
- 63
Mostly Cloudy
- 41
- 65
Mostly Sunny
- 44
- 68
Partly Sunny
- 49
- 67
Mostly Cloudy
- 50
- 71
Mostly Cloudy
Today 20 Sep Washington
Partly sunny. Highs in the mid 60s. Northeast Winds 5 to 15 Mph.
Tonight 20 Sep Washington
Mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.
Nielsen Lake Temperature Statistics
September Temperature
L O Simenstad Municipal Airport (8.7 miles)
Lowest 14 September, 2026
41.7 °FAverage September
69.5 °FHighest 1 September, 2026
88 °F
Climate (2021–2026)
L O Simenstad Municipal Airport (8.7 miles)
Average Low 2021–2026
37.2 °FAverage 2021–2026
47.5 °FAverage High 2021–2026
57 °F