Portland, New York | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    62°
    Monday 5/13
    Forecast night icon
    62°
    Partly Cloudy
    Hourly
    Night Details
    Mainly clear early then becoming partly cloudy. Mild with lows ranging from the mid 50s in interior valleys to the lower 60s along the lake erie shore. Southwest winds 5 to 10 mph becoming south.
  • Forecast day icon
    Tuesday
    60% Chance of Storms
    68°
    Forecast night icon
    Night
    60% Chance of Storms
    58°
    Tuesday 5/14
    Day
    68°
    60% Chance of Storms
    Forecast day icon
    Night
    58°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers in the morning then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs ranging from the mid 60s along the lake erie shore to around 70 inland. South winds 10 mph or less. Chance of rain 60 percent.
    Night Details
    Showers likely with a chance of thunderstorms in the evening then a chance of showers overnight. Some patchy fog developing. Mild with lows in the mid 50s. Light winds. Chance of rain 60 percent.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    63°
    Forecast night icon
    Night
    50% Chance Rain Showers
    56°
    Wednesday 5/15
    Day
    63°
    50% Chance Rain Showers
    Forecast day icon
    Night
    56°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Some patchy fog in the morning otherwise mostly cloudy in the morning then becoming partly sunny. A 50 percent chance of showers. Highs ranging from the mid 60s on the hilltops to the upper 60s across the lower elevations. Northeast winds 10 mph or less increasing to 10 to 15 mph.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the upper 40s. Northeast winds 5 to 10 mph becoming light. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Partly Cloudy
    59°
    Thursday 5/16
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    59°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs around 70. Lows in the lower 50s.
    Night Details
    Partly cloudy. Highs around 70. Lows in the lower 50s.
  • Forecast day icon
    Friday
    50% Chance Rain Showers
    67°
    Forecast night icon
    Night
    50% Chance Rain Showers
    59°
    Friday 5/17
    Day
    67°
    50% Chance Rain Showers
    Forecast day icon
    Night
    59°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of showers. Highs around 70. Lows in the lower 50s.
    Night Details
    Mostly cloudy with a 50 percent chance of showers. Highs around 70. Lows in the lower 50s.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    66°
    Forecast night icon
    Night
    50% Chance Rain Showers
    58°
    Saturday 5/18
    Day
    66°
    50% Chance Rain Showers
    Forecast day icon
    Night
    58°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of showers. Highs around 70. Lows in the lower 50s.
    Night Details
    Partly cloudy with a 50 percent chance of showers. Lows in the mid 50s. Highs in the lower 70s.
  • Forecast day icon
    Sunday
    50% Chance Rain Showers
    68°
    Forecast night icon
    Night
    50% Chance Rain Showers
    57°
    Sunday 5/19
    Day
    68°
    50% Chance Rain Showers
    Forecast day icon
    Night
    57°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 50 percent chance of showers. Lows in the mid 50s. Highs in the lower 70s.
    Night Details
    Partly cloudy with a 50 percent chance of showers. Lows in the mid 50s. Highs in the lower 70s.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    68°
    Forecast night icon
    Night
    40% Chance of Rain
    57°
    Monday 5/20
    Day
    68°
    50% Chance Rain Showers
    Forecast day icon
    Night
    57°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 50 percent chance of showers. Lows in the mid 50s. Highs in the lower 70s.
    Night Details
    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 57F. Dew point will be around 53F with an average humidity of 75%. Winds will be 4 mph from the S.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    67°
    Forecast night icon
    Night
    40% Chance of Rain
    60°
    Tuesday 5/21
    Day
    67°
    40% Chance of Rain
    Forecast day icon
    Night
    60°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 40%. High temperature around 67F. Dew point will be around 53F with an average humidity of 71%. Winds will be 5 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 60F. Dew point will be around 53F with an average humidity of 73%. Winds will be 4 mph from the S.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    67°
    Forecast night icon
    Night
    30% Chance of Rain
    59°
    Wednesday 5/22
    Day
    67°
    40% Chance of Rain
    Forecast day icon
    Night
    59°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 67F. Dew point will be around 54F with an average humidity of 72%. Winds will be 5 mph from the W.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 59F. Dew point will be around 53F with an average humidity of 75%. Winds will be 4 mph from the SW.