San Juan, Texas | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    78°
    Friday 5/3
    Forecast night icon
    78°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph.
  • Forecast day icon
    Saturday
    Partly Sunny
    93°
    Forecast night icon
    Night
    Mostly Cloudy
    79°
    Saturday 5/4
    Day
    93°
    Partly Sunny
    Forecast day icon
    Night
    79°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 90s. Southeast winds 15 to 20 mph.
    Night Details
    Mostly cloudy. Lows in the mid 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
  • Forecast day icon
    Sunday
    Mostly Sunny
    90°
    Forecast night icon
    Night
    Partly Cloudy
    79°
    Sunday 5/5
    Day
    90°
    Mostly Sunny
    Forecast day icon
    Night
    79°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming mostly sunny. Highs in the lower 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Humid with lows in the mid 70s. Southeast winds around 15 mph with gusts up to 25 mph.
  • Forecast day icon
    Monday
    Partly Cloudy
    93°
    Forecast night icon
    Night
    Partly Cloudy
    77°
    Monday 5/6
    Day
    93°
    Partly Cloudy
    Forecast day icon
    Night
    77°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110.
    Night Details
    Partly cloudy. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    97°
    Forecast night icon
    Night
    Warm and Humid
    78°
    Tuesday 5/7
    Day
    97°
    Partly Cloudy
    Forecast day icon
    Night
    78°
    Warm and Humid
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110.
    Night Details
    Mostly cloudy. Hot. Lows in the upper 70s. Highs around 100. Heat index values up to 115.
  • Forecast day icon
    Wednesday
    Hot and Humid
    99°
    Forecast night icon
    Night
    Warm and Humid
    78°
    Wednesday 5/8
    Day
    99°
    Hot and Humid
    Forecast day icon
    Night
    78°
    Warm and Humid
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Hot. Lows in the upper 70s. Highs around 100. Heat index values up to 115.
    Night Details
    Mostly cloudy. Hot. Lows in the upper 70s. Highs around 100. Heat index values up to 115.
  • Forecast day icon
    Thursday
    Hot and Humid
    106°
    Forecast night icon
    Night
    Warm and Humid
    80°
    Thursday 5/9
    Day
    106°
    Hot and Humid
    Forecast day icon
    Night
    80°
    Warm and Humid
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Hot. Highs 100 to 105. Lows in the mid 70s. Heat index values up to 115.
    Night Details
    Partly cloudy. Hot. Highs 100 to 105. Lows in the mid 70s. Heat index values up to 115.
  • Forecast day icon
    Friday
    Mostly Sunny
    96°
    Forecast night icon
    Night
    Partly Cloudy
    76°
    Friday 5/10
    Day
    96°
    Mostly Sunny
    Forecast day icon
    Night
    76°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the upper 90s. Heat index values up to 105 in the afternoon.
    Night Details
    Partly cloudy with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 76F. Dew point will be around 72F with an average humidity of 74%. Winds will be 6 mph from the E.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    87°
    Forecast night icon
    Night
    30% Chance of Rain
    72°
    Saturday 5/11
    Day
    87°
    30% Chance of Rain
    Forecast day icon
    Night
    72°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 40% chance for rain and thunderstorms. High temperature around 87F. Dew point will be around 71F with an average humidity of 68%. Winds will be 7 mph from the NE.
    Night Details
    Partly cloudy with a 35% chance for rain and thunderstorms. Low temperature around 72F. Dew point will be around 67F with an average humidity of 71%. Winds will be 7 mph from the NE.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    86°
    Forecast night icon
    Night
    Partly Cloudy
    70°
    Sunday 5/12
    Day
    86°
    30% Chance of Rain
    Forecast day icon
    Night
    70°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 86F. Dew point will be around 68F with an average humidity of 68%. Winds will be 7 mph from the NE.
    Night Details
    Partly cloudy. Low temperature around 70F. Dew point will be around 66F with an average humidity of 71%. Winds will be 6 mph from the E.