Cost, Texas | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    Partly Cloudy
    92°
    Forecast night icon
    Night
    Partly Cloudy
    76°
    Monday 5/20
    Day
    92°
    Partly Cloudy
    Forecast day icon
    Night
    76°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy this morning then clearing. Highs in the lower 90s. South winds 5 to 10 mph.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    92°
    Forecast night icon
    Night
    Partly Cloudy
    76°
    Tuesday 5/21
    Day
    92°
    Partly Cloudy
    Forecast day icon
    Night
    76°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 90s. South winds 10 to 15 mph with gusts up to 25 mph.
    Night Details
    Partly cloudy in the evening then becoming cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    92°
    Forecast night icon
    Night
    Partly Cloudy
    75°
    Wednesday 5/22
    Day
    92°
    Partly Cloudy
    Forecast day icon
    Night
    75°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
    Night Details
    Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. Highest heat index readings up to 110.
  • Forecast day icon
    Thursday
    Partly Cloudy
    92°
    Forecast night icon
    Night
    Partly Cloudy
    76°
    Thursday 5/23
    Day
    92°
    Partly Cloudy
    Forecast day icon
    Night
    76°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. Highest heat index readings up to 110.
    Night Details
    Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. Highest heat index readings up to 110.
  • Forecast day icon
    Friday
    Partly Cloudy
    94°
    Forecast night icon
    Night
    Partly Cloudy
    76°
    Friday 5/24
    Day
    94°
    Partly Cloudy
    Forecast day icon
    Night
    76°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. Highest heat index readings up to 110.
    Night Details
    Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. Highest heat index readings up to 110.
  • Forecast day icon
    Saturday
    Partly Cloudy
    95°
    Forecast night icon
    Night
    Partly Cloudy
    76°
    Saturday 5/25
    Day
    95°
    Partly Cloudy
    Forecast day icon
    Night
    76°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. Highest heat index readings up to 110.
    Night Details
    Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. Highest heat index readings up to 110.
  • Forecast day icon
    Sunday
    Partly Cloudy
    96°
    Forecast night icon
    Night
    Partly Cloudy
    76°
    Sunday 5/26
    Day
    96°
    Partly Cloudy
    Forecast day icon
    Night
    76°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. Highest heat index readings up to 110.
    Night Details
    Partly cloudy with scattered thunderstorms. Chance of storms 45%. Low temperature around 76F. Dew point will be around 74F with an average humidity of 83%. Winds will be 10 mph from the SE.
  • Forecast day icon
    Monday
    Partly Cloudy
    95°
    Forecast night icon
    Night
    40% Chance of Rain
    72°
    Monday 5/27
    Day
    95°
    Partly Cloudy
    Forecast day icon
    Night
    72°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with widely scattered thunderstorms. Chance of storms 25%. High temperature around 95F. Dew point will be around 75F with an average humidity of 70%. Winds will be 8 mph from the SE.
    Night Details
    Mostly clear with a 35% chance for rain and thunderstorms. Low temperature around 72F. Dew point will be around 72F with an average humidity of 79%. Winds will be 6 mph from the SE.
  • Forecast day icon
    Tuesday
    30% Chance of Storms
    88°
    Forecast night icon
    Night
    40% Chance of Rain
    70°
    Tuesday 5/28
    Day
    88°
    30% Chance of Storms
    Forecast day icon
    Night
    70°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 50% chance for rain and thunderstorms. High temperature around 88F. Dew point will be around 72F with an average humidity of 71%. Winds will be 5 mph from the E.
    Night Details
    Clear with a 40% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 69F with an average humidity of 79%. Winds will be 5 mph from the E.
  • Forecast day icon
    Wednesday
    Mostly Cloudy
    86°
    Forecast night icon
    Night
    30% Chance of Rain
    68°
    Wednesday 5/29
    Day
    86°
    Mostly Cloudy
    Forecast day icon
    Night
    68°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with scattered thunderstorms. Chance of storms 45%. High temperature around 86F. Dew point will be around 69F with an average humidity of 69%. Winds will be 6 mph from the E.
    Night Details
    Clear with a 30% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 67F with an average humidity of 77%. Winds will be 6 mph from the E.