Water Temperature of the Cedar River in Jacksonville, FL
Current Water Temperature
Measurement Time: Thursday, August 14, 2025, 8:00 PM EDT
Temperature Locations
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Local Points of Interest
Curtis Lee Johnson Boat Ramp; Ortega RiverSponsored Content
Station Name: CEDAR RIVER AT SAN JUAN AVENUE AT JACKSONVILLE, FL
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 16 feet / 5 meters
Nearest Address:
5599 San Juan Ave
Jacksonville, FL 32210
Duval County
GPS Coordinates: 30.28218375, -81.7403761
Nearby Water Temperatures
St. Johns River, Jacksonville, FL (5.0 mi)St. Johns River, Jacksonville, FL (5.3 mi)
Ortega River, Jacksonville, FL (5.6 mi)
St. Johns River, Jacksonville, FL (6.1 mi)
St. Johns River, Orange Park, FL (7.4 mi)
St. Johns River, Jacksonville, FL (7.7 mi)
St. Johns River, Jacksonville, FL (9.1 mi)
Pottsburg Creek, Jacksonville, FL (10.2 mi)
Trout River, Jacksonville, FL (10.7 mi)
Broward River, Jacksonville, FL (11.9 mi)
St. Johns River, Jacksonville, FL (13.0 mi)
St. Johns River, Jacksonville, FL (13.0 mi)
Julington Creek, Jacksonville, FL (13.4 mi)
Dunn Creek, Jacksonville, FL (14.7 mi)
Durbin Creek, Jacksonville, FL (16.2 mi)
Weather for Jacksonville, Florida
Current Weather

Humidity: 77%
Feels Like: 90.1°F
Wind: WSW 4.9 mph
Wind Gusts: 7.6 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Fri
H: 100°F
L: 81°F

Sat
H: 100°F
L: 83°F

Sun
H: 95°F
L: 81°F

Mon
H: 94°F
L: 78°F

Tue
H: 93°F
L: 78°F
Air Quality
Nitrogen Dioxide: 14.62 μg/m3
Sulphur Dioxide: 3.52 μg/m3
Ozone: 36 μg/m3
Astronomical
Sun Transit: 1:31 PM
Sunset: 8:08 PM
Daylight: 13 hrs 14 mins
Moon Transit: 6:25 AM
Moonset: 1:32 PM
Moon Phase: Last Quarter
Moon Illumination: 50.4%
Best Times for Fishing or Hunting
Major Periods
5:55 AM - 8:25 AM7:31 PM - 10:01 PM
Minor Periods
1:02 PM - 2:32 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Heat Advisory issued August 14 at 7:55PM EDT until August 15 at 7:00PM EDT by NWS Jacksonville FL
Effective: Thu August 14, 2025, 7:55 PM
Expires: Fri August 15, 2025, 5:00 AM
* WHAT...Heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 7 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued August 14 at 7:55PM EDT until August 15 at 7:00PM EDT by NWS Jacksonville FL
Effective: Thu August 14, 2025, 7:55 PM
Expires: Fri August 15, 2025, 5:00 AM
* WHAT...Heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 7 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued August 14 at 7:55PM EDT until August 15 at 7:00PM EDT by NWS Jacksonville FL
Effective: Thu August 14, 2025, 7:55 PM
Expires: Fri August 15, 2025, 5:00 AM
* WHAT...Heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 7 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued August 14 at 7:55PM EDT until August 15 at 7:00PM EDT by NWS Jacksonville FL
Effective: Thu August 14, 2025, 7:55 PM
Expires: Fri August 15, 2025, 5:00 AM
* WHAT...Heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 7 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued August 14 at 7:55PM EDT until August 15 at 7:00PM EDT by NWS Jacksonville FL
Effective: Thu August 14, 2025, 7:55 PM
Expires: Fri August 15, 2025, 5:00 AM
* WHAT...Heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 7 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Weather Forecast
Average Temperature: 90.2°F
Average Humidity: 64%
Wind: 6 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 14.3 μg/m3
Sulphur Dioxide: 6.53 μg/m3
Ozone: 88.12 μg/m3
Astronomical
Sun Transit: 1:31 PM
Sunset: 8:08 PM
Daylight: 13 hrs 14 mins
Moon Transit: 6:25 AM
Moonset: 1:32 PM
Moon Phase: Last Quarter
Moon Illumination: 50.4%
Best Times for Fishing or Hunting
Major Periods
5:55 AM - 8:25 AM7:31 PM - 10:01 PM
Minor Periods
1:02 PM - 2:32 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 89°F
Average Humidity: 70%
Wind: 7.4 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 11.98 μg/m3
Sulphur Dioxide: 11.51 μg/m3
Ozone: 118.92 μg/m3
Astronomical
Sun Transit: 1:31 PM
Sunset: 8:07 PM
Daylight: 13 hrs 12 mins
Moon Transit: 7:21 AM
Moonset: 2:43 PM
Moon Phase: Last Quarter
Moon Illumination: 39.1%
Best Times for Fishing or Hunting
Major Periods
6:51 AM - 9:21 AM8:30 PM - 11:00 PM
Minor Periods
2:13 PM - 3:43 PM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 87.3°F
Average Humidity: 75%
Wind: 8.1 mph
UV Index: 1.9
Air Quality
Nitrogen Dioxide: 10.04 μg/m3
Sulphur Dioxide: 10.55 μg/m3
Ozone: 129.36 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:06 PM
Daylight: 13 hrs 11 mins
Moon Transit: 8:21 AM
Moonset: 3:51 PM
Moon Phase: Last Quarter
Moon Illumination: 28.4%
Best Times for Fishing or Hunting
Major Periods
7:51 AM - 10:21 AM9:30 PM - 12:00 PM
Minor Periods
3:21 PM - 4:51 PM12:26 AM - 1:56 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 85.1°F
Average Humidity: 67%
Wind: 11.4 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 16.66 μg/m3
Sulphur Dioxide: 5.39 μg/m3
Ozone: 73.31 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:05 PM
Daylight: 13 hrs 9 mins
Moon Transit: 9:23 AM
Moonset: 4:55 PM
Moon Phase: Last Quarter
Moon Illumination: 18.9%
Best Times for Fishing or Hunting
Major Periods
8:53 AM - 11:23 AM12:00 AM - 12:00 AM
Minor Periods
4:25 PM - 5:55 PM1:21 AM - 2:51 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 83.9°F
Average Humidity: 65%
Wind: 11.6 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:04 PM
Daylight: 13 hrs 7 mins
Moon Transit: 10:24 AM
Moonset: 5:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:54 AM - 12:24 AM
Minor Periods
5:21 PM - 6:51 PM2:24 AM - 3:54 AM
Action Rating: 2 out of 5