
NWS JAX Weather Impact Briefing
Isolated Severe Thunderstorms Possible Sunday Afternoon & Evening, and Scattered Severe Thunderstorms Possible Monday Read More >
Current conditions at
Keystone Heights Airport (K42J)
Lat: 29.84°NLon: 82.05°WElev: 197ft.
Overcast
64°F
18°C
| Humidity | 88% |
| Wind Speed | NE 5 mph |
| Barometer | 30.08 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 15 Mar 12:15 am EDT |
Extended Forecast for
3 Miles WSW Keystone Heights FL
Overnight

Low: 61 °F
Slight Chance
Showers and
Patchy FogSunday
High: 82 °F
Patchy Fog
then Chance
T-stormsSunday Night
Low: 67 °F
Showers
Likely then
Chance
T-stormsMonday

High: 76 °F
Showers and
BreezyMonday Night

Low: 41 °F
Slight Chance
Showers and
BreezyTuesday

High: 54 °F
Mostly Sunny
Tuesday Night

Low: 39 °F
Mostly Cloudy
Wednesday

High: 63 °F
Mostly Sunny
Wednesday Night

Low: 48 °F
Partly Cloudy
Detailed Forecast
Overnight
A 10 percent chance of showers before 3am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 61. East wind 3 to 6 mph.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Increasing clouds, with a low around 67. South wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 76. Breezy, with a south wind 13 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
Monday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 41. Breezy, with a northwest wind 13 to 15 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Keystone Heights FL
29.76°N 82.08°W
29.76°N 82.08°W
11:22 pm EDT Mar 14, 2026
12am EDT Mar 15, 2026-6pm EDT Mar 21, 2026


