Grass Island Weather Forecast
- 74
- 92
Partly Sunny
- 67
- 92
Thunderstorms Likely
- 50
- 76
Chance Rain Showers
- 53
- 72
Rain Showers Likely
- 53
- 66
Rain Showers Likely
- 52
- 68
Chance Rain Showers
Today 21 Jun Mille Lacs
Warmer, sunny. Highs in the mid 90s. Southwest Winds 5 to 15 Mph.
Tonight 21 Jun Mille Lacs
Partly cloudy. Lows in the mid 70s. South Winds 5 to 10 Mph.
Grass Island Temperature Statistics
June Temperature
Brainerd - Crow Wing County Airport (23.6 miles)
Lowest 4 June, 2025
41.6 °FAverage June
62.5 °FHighest 2 June, 2025
89.7 °F
Climate (2020–Present)
Brainerd - Crow Wing County Airport (23.6 miles)
Average Low 2020–2025
34.4 °FAverage 2020–2025
44.5 °FAverage High 2020–2025
54.5 °F