Water Temperature of the St. Johns River in Jacksonville, FL

Current Water Temperature

80.4°F

Measurement Time: Tuesday, October 6, 2026, 10:30 AM EDT

Temperature Locations

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Local Points of Interest

Henry H Buckman Bridge; Plummers Cove; Mulberry Cove; Naval Air Station Jacksonville

St. Johns River

Station Name: ST.JOHNS RIVER BUCKMAN BRIDGE AT JACKSONVILLE,FL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
I-295 (Buckman Bridge)
Jacksonville, FL 32257
Duval County

GPS Coordinates: 30.1902405, -81.6662048

Nearby Water Temperatures

St. Johns River, Orange Park, FL (1.9 mi)
Ortega River, Jacksonville, FL (3.9 mi)
St. Johns River, Jacksonville, FL (4.5 mi)
Julington Creek, Jacksonville, FL (5.7 mi)
Cedar River, Jacksonville, FL (7.7 mi)
St. Johns River, Jacksonville, FL (7.9 mi)
Durbin Creek, Jacksonville, FL (8.7 mi)
Pottsburg Creek, Jacksonville, FL (8.8 mi)
St. Johns River, Jacksonville, FL (9.1 mi)
St. Johns River, Jacksonville, FL (11.8 mi)
St. Johns River, Green Cove Springs, FL (13.1 mi)
St. Johns River, Green Cove Springs, FL (14.6 mi)
St. Johns River, Jacksonville, FL (15 mi)
St. Johns River, Jacksonville, FL (15 mi)
Broward River, Jacksonville, FL (17.5 mi)

Weather for Jacksonville, Florida

Current Weather

73.1°F
Moderate rain
Conditions: Moderate rain
Humidity: 96%
Feels Like: 78.1°F
Wind: ENE 6.5 mph
Wind Gusts: 18.8 mph
Pressure: 29.9 in
Precipitation: 0.18 in
Cloud Cover: 100%
Visibility: 4 mi
UV Index: 0.4

Weather Forecast

Moderate rain
Tue
H: 75°F
L: 72°F
Patchy rain nearby
Wed
H: 83°F
L: 71°F
Patchy rain nearby
Thu
H: 86°F
L: 74°F
Patchy rain nearby
Fri
H: 81°F
L: 71°F
Light rain shower
Sat
H: 87°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 4.6 μg/m3
PM10: 6.5 μg/m3
Carbon Monoxide: 145 μg/m3
Nitrogen Dioxide: 3.4 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 88 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 1:14 PM
Sunset: 7:06 PM
Daylight: 11 hrs 43 mins
Moonrise: 3:14 AM
Moon Transit: 10:06 AM
Moonset: 4:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:36 AM - 12:06 AM

Minor Periods

4:20 PM - 5:50 PM
2:44 AM - 4:14 AM

Action Rating: 2 out of 5

Coastal Flood Advisory issued October 6 at 2:57AM EDT until October 8 at 5:00AM EDT by NWS Jacksonville FL

Effective: Tue October 6, 2026, 2:57 AM
Expires: Tue October 6, 2026, 5:00 PM

* WHAT...Minor coastal flooding expected. * WHERE...St Johns River Basin. * WHEN...From noon today to 5 AM EDT Thursday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Small Craft Advisory issued October 6 at 3:07AM EDT until October 8 at 5:00AM EDT by NWS Jacksonville FL

Effective: Tue October 6, 2026, 3:07 AM
Expires: Tue October 6, 2026, 5:00 PM

* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 9 ft expected. * WHERE...Northeast Florida coastal waters from Fernandina Beach FL to St Augustine out to 60 NM. * WHEN...From 8 AM this morning to 5 AM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Tuesday, October 6, 2026

Weather Forecast

Conditions: Moderate rain
Average Temperature: 73°F
Average Humidity: 95%
Chance of Rain: 94%
Wind: 9.2 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 5.42 μg/m3
PM10: 7.48 μg/m3
Carbon Monoxide: 134.13 μg/m3
Nitrogen Dioxide: 4.26 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 76.38 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 1:14 PM
Sunset: 7:06 PM
Daylight: 11 hrs 43 mins
Moonrise: 3:14 AM
Moon Transit: 10:06 AM
Moonset: 4:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:36 AM - 12:06 AM

Minor Periods

4:20 PM - 5:50 PM
2:44 AM - 4:14 AM

Action Rating: 2 out of 5

Wednesday, October 7, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 74.8°F
Average Humidity: 81%
Chance of Rain: 78%
Wind: 11.9 mph
UV Index: 5.6

Air Quality

AQI: 1 - Good
PM2.5: 6.94 μg/m3
PM10: 10.33 μg/m3
Carbon Monoxide: 132.46 μg/m3
Nitrogen Dioxide: 2.92 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 88.96 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 1:14 PM
Sunset: 7:05 PM
Daylight: 11 hrs 41 mins
Moonrise: 4:19 AM
Moon Transit: 10:54 AM
Moonset: 5:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:24 AM - 12:54 AM

Minor Periods

4:52 PM - 6:22 PM
3:49 AM - 5:19 AM

Action Rating: 2 out of 5

Thursday, October 8, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 77.6°F
Average Humidity: 72%
Chance of Rain: 64%
Wind: 10.7 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 9.4 μg/m3
PM10: 14.06 μg/m3
Carbon Monoxide: 138.21 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 88.67 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 1:14 PM
Sunset: 7:03 PM
Daylight: 11 hrs 39 mins
Moonrise: 5:21 AM
Moon Transit: 11:40 AM
Moonset: 5:52 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:10 AM - 1:40 PM

Minor Periods

5:22 PM - 6:52 PM
4:51 AM - 6:21 AM

Action Rating: 3 out of 5

Friday, October 9, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 75.1°F
Average Humidity: 77%
Chance of Rain: 75%
Wind: 10.7 mph
UV Index: 3.4

Air Quality

AQI: 1 - Good
PM2.5: 8.93 μg/m3
PM10: 13.97 μg/m3
Carbon Monoxide: 148.04 μg/m3
Nitrogen Dioxide: 3.14 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 84.17 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 1:13 PM
Sunset: 7:02 PM
Daylight: 11 hrs 38 mins
Moonrise: 6:22 AM
Moon Transit: 12:25 AM
Moonset: 6:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:41 AM - 3:11 AM
11:55 AM - 2:25 PM

Minor Periods

5:51 PM - 7:21 PM
5:52 AM - 7:22 AM

Action Rating: 4 out of 5

Saturday, October 10, 2026

Weather Forecast

Conditions: Light rain shower
Average Temperature: 77.9°F
Average Humidity: 83%
Chance of Rain: 89%
Wind: 11 mph
UV Index: 7

Air Quality

AQI: 1 - Good
PM2.5: 3.71 μg/m3
PM10: 5.83 μg/m3
Carbon Monoxide: 109.67 μg/m3
Nitrogen Dioxide: 2.98 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 68.33 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 1:13 PM
Sunset: 7:01 PM
Daylight: 11 hrs 36 mins
Moonrise: 7:22 AM
Moon Transit: 1:10 PM
Moonset: 6:52 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

1:26 AM - 3:56 AM
12:40 AM - 3:10 PM

Minor Periods

6:22 PM - 7:52 PM
6:52 AM - 8:22 AM

Action Rating: 3 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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