Main Street Bridge, St Johns River, FL Weather Forecast and Current Conditions

Day	Sky	High / Low	Precip	Wind	Humidity
Mon Aug 31	Partly Cloudy Close Hourly	-º / 77º	24%	NE 9 mph	87%
8pm	Mostly Cloudy	83º	15%	ENE 9 mph	76%
9pm	Partly Cloudy	82º	15%	ENE 7 mph	80%
10pm	Partly Cloudy	81º	15%	ENE 6 mph	83%
11pm	Partly Cloudy	80º	15%	NE 5 mph	87%
Tue Sep 1	Isolated Thunderstorms View Hourly	88º / 77º	34%	NE 11 mph	76%
12am	Partly Cloudy	79º	4%	ENE 4 mph	89%
1am	Partly Cloudy	79º	3%	NE 3 mph	90%
2am	Partly Cloudy	78º	4%	NE 3 mph	91%
3am	Partly Cloudy	78º	9%	NE 3 mph	92%
4am	Mostly Cloudy	78º	21%	NNE 3 mph	93%
5am	Mostly Cloudy	78º	24%	N 3 mph	94%
6am	Mostly Cloudy	78º	24%	NNE 4 mph	93%
7am	Few Showers	78º	30%	N 4 mph	93%
8am	Few Showers	78º	32%	N 5 mph	92%
9am	Few Showers	81º	32%	N 6 mph	86%
10am	Few Showers	83º	32%	NNE 6 mph	79%
11am	Mostly Cloudy	85º	18%	NE 7 mph	74%
12pm	Isolated Thunderstorms	85º	34%	NE 8 mph	72%
1pm	Isolated Thunderstorms	86º	30%	NE 10 mph	69%
2pm	Cloudy	87º	18%	ENE 11 mph	67%
3pm	Cloudy	86º	15%	ENE 11 mph	68%
4pm	Cloudy	85º	15%	ENE 11 mph	70%
5pm	Mostly Cloudy	85º	15%	ENE 11 mph	70%
6pm	Cloudy	84º	15%	ENE 10 mph	70%
7pm	Cloudy	83º	5%	ENE 9 mph	75%
8pm	Mostly Cloudy	82º	4%	ENE 7 mph	79%
9pm	Mostly Cloudy	81º	5%	ENE 7 mph	83%
10pm	Mostly Cloudy	80º	6%	ENE 6 mph	85%
11pm	Cloudy	80º	7%	ENE 6 mph	87%
Wed Sep 2	PM Thunderstorms View Hourly	87º / 77º	57%	ENE 11 mph	78%
12am	Cloudy	79º	7%	ENE 5 mph	87%
1am	Cloudy	79º	7%	ENE 4 mph	89%
2am	Mostly Cloudy	79º	8%	ENE 4 mph	90%
3am	Partly Cloudy	78º	8%	ENE 3 mph	90%
4am	Mostly Cloudy	78º	11%	ENE 4 mph	91%
5am	Cloudy	78º	15%	NE 4 mph	92%
6am	Mostly Cloudy	78º	14%	NE 4 mph	91%
7am	Cloudy	78º	24%	NNE 4 mph	91%
8am	Mostly Cloudy	79º	16%	NNE 5 mph	89%
9am	Mostly Cloudy	81º	15%	NE 6 mph	84%
10am	Cloudy	83º	16%	NE 7 mph	79%
11am	Mostly Cloudy	84º	12%	ENE 7 mph	76%
12pm	Cloudy	85º	21%	ENE 9 mph	72%
1pm	Cloudy	86º	13%	ENE 9 mph	69%
2pm	Mostly Cloudy	86º	24%	E 10 mph	70%
3pm	Showers	85º	46%	ENE 11 mph	72%
4pm	Scattered Thunderstorms	84º	58%	E 11 mph	76%
5pm	Cloudy	83º	24%	E 10 mph	78%
6pm	Mostly Cloudy	82º	24%	E 10 mph	79%
7pm	Mostly Cloudy	82º	20%	E 9 mph	81%
Thu Sep 3	Scattered Thunderstorms	87º / 77º	57%	E 10 mph	78%
Fri Sep 4	PM Thunderstorms	89º / 76º	44%	SE 9 mph	76%
Sat Sep 5	PM Thunderstorms	91º / 75º	38%	SW 8 mph	74%
Sun Sep 6	PM Thunderstorms	90º / 75º	51%	SW 9 mph	75%
Mon Sep 7	Thunderstorms	86º / 75º	67%	E 10 mph	79%

Buoy Data
For Main Street Bridge, St Johns River, FL
Wind Forecast
In Main Street Bridge, St Johns River, FL
Radar
In Main Street Bridge, St Johns River, FL
Marine Forecast
In Main Street Bridge, St Johns River, FL

NOAA Weather Marine Forecast for Main Street Bridge, St Johns River, FL

Tonight

Low : 78ºF
E wind 5 to 10 kt. A slight chance of showers after 5am. Seas 1 ft or less.

Tuesday

High : 86ºF
Variable winds less than 5 kt becoming NE 5 to 10 kt in the morning. A chance of showers and thunderstorms, mainly between 11am and 4pm. Seas 1 ft or less.

Tuesday Night

Low : 77ºF
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Wednesday

High : 86ºF
Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. A chance of showers and thunderstorms before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Seas 1 ft or less.

Wednesday Night

Low : 77ºF
ESE wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Seas 1 ft or less.

Thursday

High : 87ºF
Variable winds less than 5 kt becoming ESE 5 to 10 kt in the morning. Showers and thunderstorms likely, mainly after 2pm. Seas 1 ft or less.

Thursday Night

Low : 76ºF
SE wind around 6 kt becoming variable and less than 5 kt in the evening. Showers and thunderstorms likely before 8pm. Seas 1 ft or less.

Friday

High : 90ºF
Variable winds less than 5 kt becoming ESE 5 to 8 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

Friday Night

Low : 75ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

Current Weather Conditions In Main Street Bridge, St Johns River, FL

As Of: 32 minutes ago

Temperature: 83ºF
Feels Like: 91ºF

Wind Speed: 9mph
Direction: 0º (ENE)
Gusts: 9mph

Cloud Cover: Mostly Cloudy
Visibility: 10mi

Pressure: 30.03"
Humidity: 76%
Dew Point: 0ºF

The weather right now in Main Street Bridge, St Johns River, FL is Mostly Cloudy. The current temperature is 83°F, and the expected high and low for today, Monday, August 31, 2026, are -° high temperature and 77°F low temperature. The wind is currently blowing at 9 miles per hour, and coming from the East Northeast. The wind is gusting to 9 mph. With the wind and the atmosphere the temperature feels like 91° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 76 percent, and air pressure at 30.03 in. Visibility is 10 nautical miles. There are no current weather alert(s).