Grose Park Weather Forecast
- 61
- 66
Rain Showers
- 51
- 67
Rain Showers
- 39
- 64
Partly Sunny
- 44
- 64
Partly Sunny
- 38
- 63
Mostly Sunny
- 35
- 59
Mostly Sunny
Today 30 Sep Ottawa
Mostly sunny in the morning then becoming partly sunny. A 20 percent chance of rain Showers. Highs in the mid 60s.
Tonight 30 Sep Ottawa
Rain Showers likely in the Evening, then rain Showers and a slight chance of Thunderstorms after midnight. Lows around 60. Southwest Winds 5 to 15 Mph. Gusts up to 30 Mph decreasing to 20 Mph after midnight. Chance of rain 90 percent.
Grose Park Temperature Statistics
September Temperature
Muskegon, Muskegon County Airport (19.3 miles)
Lowest 26 September, 2026
41.6 °FAverage September
65.3 °FHighest 2 September, 2026
85.6 °F
Climate (2021–2026)
Muskegon, Muskegon County Airport (19.3 miles)
Average Low 2021–2026
43.2 °FAverage 2021–2026
51.7 °FAverage High 2021–2026
60 °F