Grand Portage, Minnesota | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Clear
    45°
    Wednesday 5/8
    Forecast night icon
    45°
    Clear
    Hourly
    Night Details
    Clear. Low temperature around 45F. Dew point will be around 34F with an average humidity of 61%. Winds will be 11 mph from the NE.
  • Forecast day icon
    Thursday
    Sunny
    49°
    Forecast night icon
    Night
    Mostly Clear
    39°
    Thursday 5/9
    Day
    49°
    Sunny
    Forecast day icon
    Night
    39°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Areas of frost this morning. Sunny. Highs in the lower 50s. East winds 5 to 10 mph.
    Night Details
    Mostly clear. Areas of frost in the evening then widespread frost after midnight. Lows in the mid 30s. South winds around 5 mph becoming west around 5 mph after midnight.
  • Forecast day icon
    Friday
    60% Chance of Storms
    52°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Friday 5/10
    Day
    52°
    60% Chance of Storms
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Areas of frost in the morning. Mostly sunny with a chance of rain showers in the morning then mostly cloudy with rain showers likely with a slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Southwest winds 5 to 10 mph. Chance of rain 60 percent.
    Night Details
    Mostly cloudy with a slight chance of showers and thunderstorms in the evening then mostly clear after midnight. Lows in the upper 30s. Northwest winds 10 to 15 mph. Chance of rain 20 percent.
  • Forecast day icon
    Saturday
    Mostly Sunny
    57°
    Forecast night icon
    Night
    40% Chance Rain Showers
    46°
    Saturday 5/11
    Day
    57°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph becoming southwest in the afternoon.
    Night Details
    Partly cloudy with a slight chance of showers in the evening then mostly cloudy with a chance of showers after midnight. Lows around 40. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    40% Chance of Storms
    64°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Sunday 5/12
    Day
    64°
    40% Chance of Storms
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 40 percent.
    Night Details
    Mostly clear. Lows in the lower 40s. Highs in the upper 50s.
  • Forecast day icon
    Monday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Monday 5/13
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the lower 40s. Highs in the upper 50s.
    Night Details
    Mostly clear in the evening then partly cloudy with a slight chance of showers after midnight. Lows in the upper 30s. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    Partly Sunny
    61°
    Forecast night icon
    Night
    40% Chance Rain Showers
    50°
    Tuesday 5/14
    Day
    61°
    Partly Sunny
    Forecast day icon
    Night
    50°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 20 percent chance of showers. Highs in the mid 50s.
    Night Details
    Mostly cloudy with a 40 percent chance of showers. Lows in the lower 40s.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    56°
    Forecast night icon
    Night
    40% Chance of Rain
    48°
    Wednesday 5/15
    Day
    56°
    50% Chance Rain Showers
    Forecast day icon
    Night
    48°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly sunny with a 50 percent chance of showers. Highs in the mid 50s.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 48F. Dew point will be around 41F with an average humidity of 70%. Winds will be 3 mph from the N.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    53°
    Forecast night icon
    Night
    30% Chance of Rain
    48°
    Thursday 5/16
    Day
    53°
    40% Chance of Rain
    Forecast day icon
    Night
    48°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 53F. Dew point will be around 42F with an average humidity of 70%. Winds will be 3 mph from the N.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 39F with an average humidity of 66%. Winds will be 5 mph from the N.
  • Forecast day icon
    Friday
    30% Chance of Rain
    55°
    Forecast night icon
    Night
    30% Chance of Rain
    48°
    Friday 5/17
    Day
    55°
    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 55F. Dew point will be around 40F with an average humidity of 63%. Winds will be 4 mph from the N.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 38F with an average humidity of 62%. Winds will be 4 mph from the NW.