32355 Weather (St. Marks, FL)

Weather forecast for: Saint Marks FL

Last Update: 10:16 am EDT Sep 3, 2026

Today: Showers and thunderstorms likely, mainly between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 92. Heat index values as high as 105. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tonight: Showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Low around 74. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 101. East wind around 5 mph becoming south southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 60%.

Saturday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

Saturday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 60%.

Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 70%.

Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

Labor Day: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 80%.

Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 73. Chance of precipitation is 80%.

Tuesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

Wednesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.