National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Keystone Heights Airport (K42J)

Lat: 29.84°NLon: 82.05°WElev: 197ft.

Mostly Cloudy

73°F

23°C

Humidity 94%
Wind Speed N 5 mph
Barometer 30.05 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Jul 2:15 am EDT
Extended Forecast for

Lake Geneva FL

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, partly cloudy, with a steady temperature around 76. Calm wind.

    Low: 76 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 103. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 93 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 74. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. South wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 91. Chance of precipitation is 70%.

    High: 91 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a steady temperature around 76. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 103. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Saturday Night
A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 74. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 10%.
Sunday
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 6 to 10 mph, with gusts as high as 17 mph.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. South wind 3 to 7 mph. Chance of precipitation is 30%.
Monday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 91. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Geneva FL
 29.75°N 82°W
Last Update:
2:21 am EDT Jul 18, 2026
Forecast Valid:
2am EDT Jul 18, 2026-6pm EDT Jul 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation