October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

82°F

28°C

Humidity 79%
Wind Speed E 3 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 6 Oct 6:53 am EDT
Extended Forecast for

Big Pine Key FL

  • Today

    Today: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 88. South wind around 5 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 78. Calm wind becoming south around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 88. South wind around 5 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 78. Calm wind becoming south around 5 mph after midnight.  Chance of precipitation is 40%.

    Low: 78 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 88. South wind 5 to 10 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers.  Mostly sunny, with a high near 89. Chance of precipitation is 10%.

    High: 89 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 79. Chance of precipitation is 40%.

    Low: 79 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 5 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 5 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 78.
Friday
A slight chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 10%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 79. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 79. Chance of precipitation is 50%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 79. Chance of precipitation is 10%.
Columbus Day
A slight chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 10%.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Pine Key FL
 24.68°N 81.35°W (Elev. 3 ft)
7:15 am EDT Oct 6, 2026
7am EDT Oct 6, 2026-6pm EDT Oct 12, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database