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Grass Lake, MN Weather Forecast
Grass Lake, MN Weather Forecast Date: 727 PM CDT Tue Oct 13 2026
The area/counties/county of: Isanti, including the city of Cambridge.or toggle through each period.
Tonight... Mostly cloudy. Chance of rain showers early in the evening, then chance of sprinkles late in the evening. Lows around 40. Northwest winds 5 to 10 mph. Chance of showers 30%.
Wednesday... Partly sunny. Highs in the upper 50s. North winds up to 5 mph.
Wednesday Night... Increasing clouds. Lows in the upper 30s. Northeast winds up to 5 mph in the evening becoming light.
Thursday... Mostly cloudy with a 50% chance of rain showers. Highs in the upper 50s. Light winds becoming west up to 10 mph in the afternoon.
Thursday Night... Increasing clouds. Lows in the upper 30s. Northwest winds 10 to 20 mph.
Friday... Mostly sunny. Highs in the mid 50s.
Friday Night... Clear. Widespread frost after midnight. Lows around 30.
Saturday... Sunny. Widespread frost in the morning. Highs in the lower 60s.
Saturday Night... Not as cool. Clear. Lows in the lower 40s.
Sunday... Sunny. Highs in the mid 60s.
Sunday Night... Partly cloudy. Lows in the upper 30s.
Monday... Sunny. Highs in the mid 60s.
Monday Night... Mostly clear. Lows around 40.
POP = Probability of Precipitation
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