Grand Portage, Minnesota | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    80% Chance of Rain
    48°
    Friday 5/17
    Forecast night icon
    48°
    80% Chance of Rain
    Hourly
    Night Details
    Partly cloudy with probable rain. Chance of precipitation 80%. Low temperature around 48F. Dew point will be around 44F with an average humidity of 92%. Winds will be 5 mph from the NE.
  • Forecast day icon
    Saturday
    60% Chance of Storms
    64°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Saturday 5/18
    Day
    64°
    60% Chance of Storms
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy this morning then becoming partly sunny. A chance of thunderstorms. Showers likely mainly this morning. Warmer with highs in the lower 70s. Southeast winds 5 to 10 mph becoming south with gusts up to 20 mph this afternoon. Chance of rain 60 percent.
    Night Details
    Mostly clear. Lows in the mid 40s. West winds 5 to 10 mph.
  • Forecast day icon
    Sunday
    Sunny
    66°
    Forecast night icon
    Night
    50% Chance Rain Showers
    53°
    Sunday 5/19
    Day
    66°
    Sunny
    Forecast day icon
    Night
    53°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
    Night Details
    Mostly cloudy. A slight chance of showers in the evening then a chance of showers after midnight. Lows in the upper 40s. Southwest winds 5 to 10 mph becoming east after midnight. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    57°
    Forecast night icon
    Night
    Mostly Cloudy
    49°
    Monday 5/20
    Day
    57°
    50% Chance Rain Showers
    Forecast day icon
    Night
    49°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of showers. Highs in the mid 60s. East winds 5 to 10 mph.
    Night Details
    Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 40s. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    40% Chance Rain Showers
    62°
    Forecast night icon
    Night
    70% Chance of Storms
    52°
    Tuesday 5/21
    Day
    62°
    40% Chance Rain Showers
    Forecast day icon
    Night
    52°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then mostly cloudy with a chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 40 percent.
    Night Details
    Showers likely with a slight chance of thunderstorms. Lows in the mid 40s. Chance of rain 70 percent.
  • Forecast day icon
    Wednesday
    50% Chance of Storms
    51°
    Forecast night icon
    Night
    50% Chance Rain Showers
    41°
    Wednesday 5/22
    Day
    51°
    50% Chance of Storms
    Forecast day icon
    Night
    41°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning then a chance of showers in the afternoon. Highs in the mid 50s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy. A chance of showers mainly in the evening. Lows in the upper 30s. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    Partly Sunny
    46°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Thursday 5/23
    Day
    46°
    Partly Sunny
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 20 percent chance of showers. Highs in the lower 50s.
    Night Details
    Partly cloudy with a 20 percent chance of showers. Lows in the mid 30s.
  • Forecast day icon
    Friday
    Partly Sunny
    52°
    Forecast night icon
    Night
    30% Chance of Rain
    44°
    Friday 5/24
    Day
    52°
    Partly Sunny
    Forecast day icon
    Night
    44°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly sunny with a 20 percent chance of showers. Highs in the mid 50s.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 44F. Dew point will be around 36F with an average humidity of 70%. Winds will be 5 mph from the NE.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    51°
    Forecast night icon
    Night
    30% Chance of Rain
    46°
    Saturday 5/25
    Day
    51°
    40% Chance of Rain
    Forecast day icon
    Night
    46°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 51F. Dew point will be around 40F with an average humidity of 70%. Winds will be 5 mph from the E.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 46F. Dew point will be around 40F with an average humidity of 73%. Winds will be 3 mph from the NE.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    53°
    Forecast night icon
    Night
    30% Chance of Rain
    48°
    Sunday 5/26
    Day
    53°
    30% Chance of Rain
    Forecast day icon
    Night
    48°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 53F. Dew point will be around 42F with an average humidity of 71%. Winds will be 3 mph from the E.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 42F with an average humidity of 74%. Winds will be 3 mph from the N.
  • Forecast day icon
    Monday
    30% Chance of Rain
    58°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Monday 5/27
    Day
    58°
    30% Chance of Rain
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 58F. Dew point will be around 44F with an average humidity of 68%. Winds will be 4 mph from the N.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 49F. Dew point will be around 43F with an average humidity of 70%. Winds will be 4 mph from the N.