10-Day Weather Forecast - Saint Johns, FL

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  • 87|77°F
    70% Chance of Storms

    Today

    87°F

    Mostly cloudy. A slight chance of showers and thunderstorms this morning then showers and thunderstorms likely this afternoon. Some thunderstorms may produce gusty winds and frequent lightning this afternoon. Highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. Heat index values up to 106.

    Tonight

    77°F

    Mostly cloudy with a chance of showers. A chance of thunderstorms mainly in the evening. Lows in the mid 70s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.

    Hourly details
  • 83|74°F
    Thunderstorms

    Day

    83°F

    Showers likely with a chance of thunderstorms in the morning then showers and thunderstorms in the afternoon. Highs around 90. West winds 5 to 10 mph. Chance of rain 90 percent. Heat index values up to 106.

    Night

    74°F

    Mostly cloudy. Showers with thunderstorms likely in the evening then a slight chance of showers after midnight. Lows in the mid 70s. West winds around 5 mph. Chance of rain 90 percent.

    Hourly details
  • 91|75°F
    50% Chance of Storms

    Day

    91°F

    Partly sunny. A slight chance of showers in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Northwest winds around 5 mph becoming northeast around 5 mph in the afternoon. Chance of rain 50 percent.

    Night

    75°F

    Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the mid 70s. Chance of rain 50 percent.

    Hourly details
  • 95|76°F
    Partly Cloudy

    Day

    95°F

    Partly cloudy. Highs in the mid 90s. Lows in the upper 70s. Heat index values up to 110.

    Night

    76°F

    Partly cloudy. Highs in the mid 90s. Lows in the upper 70s. Heat index values up to 110.

    Hourly details
  • 96|77°F
    Sunny

    Day

    96°F

    Sunny. Highs in the upper 90s. Heat index values up to 110.

    Night

    77°F

    Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.

    Hourly details
  • 92|75°F
    40% Chance of Storms

    Day

    92°F

    Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 90s. Lows in the upper 70s. Chance of rain 40 percent. Heat index values up to 110.

    Night

    75°F

    Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 90s. Lows in the upper 70s. Chance of rain 40 percent. Heat index values up to 110.

    Hourly details
  • 93|76°F
    40% Chance of Storms

    Day

    93°F

    Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 90s. Lows in the upper 70s. Chance of rain 40 percent. Heat index values up to 110.

    Night

    76°F

    Partly cloudy with a 70% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 73F with an average humidity of 81%. Winds will be 4 mph from the SE.

  • 94|76°F
    50% Chance of Storms

    Day

    94°F

    Mostly sunny with a 50% chance for rain and thunderstorms. High temperature around 94F. Dew point will be around 76F with an average humidity of 69%. Winds will be 4 mph from the SW.

    Night

    76°F

    Partly cloudy with a 80% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 73F with an average humidity of 82%. Winds will be 5 mph from the S.

  • 93|76°F
    50% Chance of Storms

    Day

    93°F

    Mostly sunny with a 50% chance for rain and thunderstorms. High temperature around 93F. Dew point will be around 75F with an average humidity of 71%. Winds will be 3 mph from the SW.

    Night

    76°F

    Partly cloudy with a 65% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 74F with an average humidity of 82%. Winds will be 4 mph from the SE.

  • 94|76°F
    40% Chance of Storms

    Day

    94°F

    Mostly sunny with a 55% chance for rain and thunderstorms. High temperature around 94F. Dew point will be around 76F with an average humidity of 71%. Winds will be 2 mph from the W.

    Night

    76°F

    Partly cloudy with a 80% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 74F with an average humidity of 85%. Winds will be 4 mph from the SE.