San Juan, Texas | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Wednesday
    Hot and Humid
    98°
    Forecast night icon
    Night
    Mostly Cloudy
    79°
    Wednesday 5/8
    Day
    98°
    Hot and Humid
    Forecast day icon
    Night
    79°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Hot with highs around 102. South winds 10 to 15 mph. Heat index values up to 113 this afternoon.
    Night Details
    Mostly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph. Heat index values up to 112 early in the evening.
  • Forecast day icon
    Thursday
    Hot and Humid
    105°
    Forecast night icon
    Night
    Partly Cloudy
    78°
    Thursday 5/9
    Day
    105°
    Hot and Humid
    Forecast day icon
    Night
    78°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Hot with highs around 107. South winds 10 to 15 mph becoming northwest in the afternoon.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the mid 70s. East winds 10 to 15 mph. Heat index values up to 109 early in the evening.
  • Forecast day icon
    Friday
    Partly Sunny
    90°
    Forecast night icon
    Night
    Mostly Cloudy
    78°
    Friday 5/10
    Day
    90°
    Partly Sunny
    Forecast day icon
    Night
    78°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Not as warm. Humid with highs in the lower 90s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
    Night Details
    Mostly cloudy. Lows in the mid 70s.
  • Forecast day icon
    Saturday
    30% Chance of Storms
    87°
    Forecast night icon
    Night
    Mostly Cloudy
    76°
    Saturday 5/11
    Day
    87°
    30% Chance of Storms
    Forecast day icon
    Night
    76°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then partly sunny with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 30 percent.
    Night Details
    Mostly cloudy. Lows in the mid 70s. Highs in the lower 90s.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    92°
    Forecast night icon
    Night
    Mostly Cloudy
    78°
    Sunday 5/12
    Day
    92°
    Mostly Cloudy
    Forecast day icon
    Night
    78°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Lows in the mid 70s. Highs in the lower 90s.
    Night Details
    Mostly cloudy. Lows in the mid 70s. Highs in the lower 90s.
  • Forecast day icon
    Monday
    Partly Cloudy
    94°
    Forecast night icon
    Night
    Partly Cloudy
    76°
    Monday 5/13
    Day
    94°
    Partly Cloudy
    Forecast day icon
    Night
    76°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the mid 90s. Lows in the mid 70s.
    Night Details
    Partly cloudy. Highs in the mid 90s. Lows in the mid 70s.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    92°
    Forecast night icon
    Night
    Mostly Clear
    77°
    Tuesday 5/14
    Day
    92°
    Partly Cloudy
    Forecast day icon
    Night
    77°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly cloudy. Highs in the mid 90s. Lows in the mid 70s.
    Night Details
    Mostly clear. Low temperature around 77F. Dew point will be around 75F with an average humidity of 80%. Winds will be 11 mph from the E.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    92°
    Forecast night icon
    Night
    30% Chance of Rain
    76°
    Wednesday 5/15
    Day
    92°
    Partly Cloudy
    Forecast day icon
    Night
    76°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with scattered thunderstorms. Chance of storms 40%. High temperature around 92F. Dew point will be around 76F with an average humidity of 77%. Winds will be 9 mph from the E.
    Night Details
    Clear with a 25% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 76F with an average humidity of 80%. Winds will be 10 mph from the E.
  • Forecast day icon
    Thursday
    30% Chance of Storms
    89°
    Forecast night icon
    Night
    Clear
    75°
    Thursday 5/16
    Day
    89°
    30% Chance of Storms
    Forecast day icon
    Night
    75°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy with a 45% chance for rain and thunderstorms. High temperature around 89F. Dew point will be around 76F with an average humidity of 81%. Winds will be 7 mph from the E.
    Night Details
    Clear. Low temperature around 75F. Dew point will be around 74F with an average humidity of 77%. Winds will be 8 mph from the E.
  • Forecast day icon
    Friday
    Sunny
    89°
    Forecast night icon
    Night
    Clear
    73°
    Friday 5/17
    Day
    89°
    Sunny
    Forecast day icon
    Night
    73°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 89F. Dew point will be around 73F with an average humidity of 73%. Winds will be 6 mph from the E.
    Night Details
    Clear. Low temperature around 73F. Dew point will be around 71F with an average humidity of 74%. Winds will be 9 mph from the E.