Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Wednesday, October 7, 2026, 11:30 AM EDT
Temperature Locations
View Nearby Locations View All Florida Locations View Locations Near Me
Local Points of Interest
Henry H Buckman Bridge; Plummers Cove; Mulberry Cove; Naval Air Station JacksonvilleStation 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

Humidity: 89%
Feels Like: 78.6°F
Wind: SE 7.6 mph
Wind Gusts: 14.8 mph
Precipitation: 0.01 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 1.3
Weather Forecast

Wed
H: 80°F
L: 72°F

Thu
H: 86°F
L: 72°F

Fri
H: 75°F
L: 68°F

Sat
H: 93°F
L: 75°F

Sun
H: 91°F
L: 75°F
Air Quality
Nitrogen Dioxide: 1.8 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 83 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 7:05 PM
Daylight: 11 hrs 41 mins
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 AM10:24 AM - 12:54 AM
Minor Periods
4:52 PM - 6:22 PM3:49 AM - 5:19 AM
Action Rating: 2 out of 5
Coastal Flood Advisory issued October 7 at 11:32AM EDT until October 10 at 2:00PM EDT by NWS Jacksonville FL
Effective: Wed October 7, 2026, 11:32 AM
Expires: Thu October 8, 2026, 2:00 AM
* WHAT...For the Coastal Flood Warning, significant coastal flooding. For the Coastal Flood Advisory, minor coastal flooding expected. * WHERE...St Johns River Basin. * WHEN...For the Coastal Flood Warning, until 5 PM EDT Thursday. For the Coastal Flood Advisory, from 5 PM Thursday to 2 PM EDT Saturday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. * ADDITIONAL DETAILS... Greatest impacts will be expected at times of high tide.
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Coastal Flood Warning issued October 7 at 11:32AM EDT until October 8 at 5:00PM EDT by NWS Jacksonville FL
Effective: Wed October 7, 2026, 11:32 AM
Expires: Thu October 8, 2026, 2:00 AM
* WHAT...For the Coastal Flood Warning, significant coastal flooding. For the Coastal Flood Advisory, minor coastal flooding expected. * WHERE...St Johns River Basin. * WHEN...For the Coastal Flood Warning, until 5 PM EDT Thursday. For the Coastal Flood Advisory, from 5 PM Thursday to 2 PM EDT Saturday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. * ADDITIONAL DETAILS... Greatest impacts will be expected at times of high tide.
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Coastal Flood Advisory issued October 7 at 2:35AM EDT until October 10 at 2:00PM EDT by NWS Jacksonville FL
Effective: Wed October 7, 2026, 2:35 AM
Expires: Wed October 7, 2026, 5:00 PM
* WHAT...Minor coastal flooding. * WHERE...St Johns River Basin. * WHEN...Until 2 PM EDT Saturday. * 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.
Weather Forecast
Average Temperature: 74.4°F
Average Humidity: 89%
Wind: 9.6 mph
UV Index: 3.7
Air Quality
Nitrogen Dioxide: 3.12 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 78.79 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 7:05 PM
Daylight: 11 hrs 41 mins
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 AM10:24 AM - 12:54 AM
Minor Periods
4:52 PM - 6:22 PM3:49 AM - 5:19 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 77.5°F
Average Humidity: 74%
Wind: 12.1 mph
UV Index: 5.5
Air Quality
Nitrogen Dioxide: 3.21 μg/m3
Sulphur Dioxide: 0.51 μg/m3
Ozone: 67.04 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 7:03 PM
Daylight: 11 hrs 39 mins
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 AM11:10 AM - 1:40 PM
Minor Periods
5:22 PM - 6:52 PM4:51 AM - 6:21 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 71.5°F
Average Humidity: 88%
Wind: 15.4 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 3.57 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 73.33 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:02 PM
Daylight: 11 hrs 38 mins
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 AM11:55 AM - 2:25 PM
Minor Periods
5:51 PM - 7:21 PM5:52 AM - 7:22 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 80°F
Average Humidity: 81%
Wind: 10.1 mph
UV Index: 6.9
Air Quality
Nitrogen Dioxide: 2.24 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 62.67 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:01 PM
Daylight: 11 hrs 36 mins
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 AM12:40 AM - 3:10 PM
Minor Periods
6:22 PM - 7:52 PM6:52 AM - 8:22 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 81°F
Average Humidity: 75%
Wind: 9.6 mph
UV Index: 7.2
Air Quality
Nitrogen Dioxide: 2.3 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 41.67 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:00 PM
Daylight: 11 hrs 34 mins
Moon Transit: 1:55 PM
Moonset: 7:23 PM
Moon Phase: New
Moon Illumination: 3.3%
Best Times for Fishing or Hunting
Major Periods
2:11 AM - 4:41 AM1:25 PM - 3:55 PM
Minor Periods
6:53 PM - 8:23 PM7:52 AM - 9:22 AM
Action Rating: 5 out of 5
