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

Current Water Temperature

83.3°F

Measurement Time: Friday, September 30, 2016, 8:45 PM EDT

Temperature Locations

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Local Points of Interest

Lake Monroe Park; Lake Monroe; Sanford, FL

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St. Johns River

Station Name: ST. JOHNS RIVER NEAR SANFORD, FL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 16 feet / 5 meters

Nearest Address:
S Charles Richard Beall Blvd
DeBary, FL 32713
Volusia County

GPS Coordinates: 28.83804694, -81.3242323

Nearby Water Temperatures

Blue Springs, Orange City, FL (7.4 mi)
Rock Springs, Apopka, FL (11.8 mi)
Wekiwa Springs, Apopka, FL (12.0 mi)
St. Johns River, Deland, FL (12.3 mi)
St. Johns River, Astor, FL (25.7 mi)
Cypress Creek, Orlando, FL (33.1 mi)
S-405A Canal, Bay Lake, FL (33.1 mi)
Lake Buena Vista, Orlando, FL (34.1 mi)
Whittenhorse Creek, Horizon West, FL (36.0 mi)
Bonnet Creek, Kissimmee, FL (37.4 mi)
Reedy Creek, Celebration, FL (38.2 mi)
Reedy Creek, Celebration, FL (41.1 mi)
St. Johns River, Cocoa, FL (42.4 mi)
Silver River, Silver Springs, FL (50.5 mi)
Port Canaveral, Cape Canaveral, FL (53.1 mi)

Weather for DeBary, Florida

Current Weather

82.9°F
Sunny
Conditions: Sunny
Humidity: 88%
Feels Like: 94.6°F
Wind: W 3.4 mph
Wind Gusts: 4.9 mph
Pressure: 30.11 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0.5

Five Day Weather Forecast

Sunny
Fri
H: 99°F
L: 78°F
Heavy rain
Sat
H: 95°F
L: 80°F
Heavy rain
Sun
H: 95°F
L: 78°F
Moderate rain
Mon
H: 98°F
L: 76°F
Patchy rain nearby
Tue
H: 99°F
L: 75°F

Air Quality

AQI: 2 - Moderate
PM2.5: 17.39 μg/m3
PM10: 25.35 μg/m3
Carbon Monoxide: 251.6 μg/m3
Nitrogen Dioxide: 5.92 μg/m3
Sulphur Dioxide: 3.52 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:31 PM
Sunset: 8:16 PM
Daylight: 13 hrs 30 mins
Moonrise: 2:02 PM
Moon Transit: 7:25 PM
Moonset: 12:13 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

7:45 AM - 10:15 AM
6:55 PM - 9:25 PM

Minor Periods

1:32 PM - 3:02 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Heat Advisory issued August 1 at 12:57AM EDT until August 1 at 7:00PM EDT by NWS Melbourne FL

Effective: Fri August 1, 2025, 12:57 AM
Expires: Fri August 1, 2025, 7:00 PM

* WHAT...Heat index values up to 108 expected. * WHERE...Coastal Volusia, Inland Northern Brevard, Inland Southern Brevard, Inland Volusia, Mainland Northern Brevard, Mainland Southern Brevard, Northern Brevard Barrier Islands, Northern Lake, Orange, Osceola, Seminole, Southern Brevard Barrier Islands, and Southern Lake. * WHEN...From noon today to 7 PM EDT this evening. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Heat Advisory issued August 1 at 12:57AM EDT until August 1 at 7:00PM EDT by NWS Melbourne FL

Effective: Fri August 1, 2025, 12:57 AM
Expires: Fri August 1, 2025, 7:00 PM

* WHAT...Heat index values up to 108 expected. * WHERE...Coastal Volusia, Inland Northern Brevard, Inland Southern Brevard, Inland Volusia, Mainland Northern Brevard, Mainland Southern Brevard, Northern Brevard Barrier Islands, Northern Lake, Orange, Osceola, Seminole, Southern Brevard Barrier Islands, and Southern Lake. * WHEN...From noon today to 7 PM EDT this evening. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Heat Advisory issued August 1 at 12:57AM EDT until August 1 at 7:00PM EDT by NWS Melbourne FL

Effective: Fri August 1, 2025, 12:57 AM
Expires: Fri August 1, 2025, 7:00 PM

* WHAT...Heat index values up to 108 expected. * WHERE...Coastal Volusia, Inland Northern Brevard, Inland Southern Brevard, Inland Volusia, Mainland Northern Brevard, Mainland Southern Brevard, Northern Brevard Barrier Islands, Northern Lake, Orange, Osceola, Seminole, Southern Brevard Barrier Islands, and Southern Lake. * WHEN...From noon today to 7 PM EDT this evening. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Heat Advisory issued August 1 at 12:57AM EDT until August 1 at 7:00PM EDT by NWS Melbourne FL

Effective: Fri August 1, 2025, 12:57 AM
Expires: Fri August 1, 2025, 7:00 PM

* WHAT...Heat index values up to 108 expected. * WHERE...Coastal Volusia, Inland Northern Brevard, Inland Southern Brevard, Inland Volusia, Mainland Northern Brevard, Mainland Southern Brevard, Northern Brevard Barrier Islands, Northern Lake, Orange, Osceola, Seminole, Southern Brevard Barrier Islands, and Southern Lake. * WHEN...From noon today to 7 PM EDT this evening. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Heat Advisory issued August 1 at 1:38AM EDT until August 1 at 7:00PM EDT by NWS Jacksonville FL

Effective: Fri August 1, 2025, 1:38 AM
Expires: Fri August 1, 2025, 7:00 PM

* WHAT...Heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * 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.


Friday, August 1, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 88°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 2.3

Air Quality

AQI: 2 - Moderate
PM2.5: 18.28 μg/m3
PM10: 23.19 μg/m3
Carbon Monoxide: 313.69 μg/m3
Nitrogen Dioxide: 20.73 μg/m3
Sulphur Dioxide: 3.98 μg/m3
Ozone: 65.52 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:31 PM
Sunset: 8:16 PM
Daylight: 13 hrs 30 mins
Moonrise: 2:02 PM
Moon Transit: 7:25 PM
Moonset: 12:13 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

7:45 AM - 10:15 AM
6:55 PM - 9:25 PM

Minor Periods

1:32 PM - 3:02 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, August 2, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 85.6°F
Average Humidity: 74%
Chance of Rain: 83%
Wind: 6.9 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 16.24 μg/m3
PM10: 20.22 μg/m3
Carbon Monoxide: 265.51 μg/m3
Nitrogen Dioxide: 17.32 μg/m3
Sulphur Dioxide: 3.81 μg/m3
Ozone: 69.68 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:31 PM
Sunset: 8:16 PM
Daylight: 13 hrs 28 mins
Moonrise: 2:58 PM
Moon Transit: 8:12 PM
Moonset: 12:46 AM
Moon Phase: First Quarter
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
7:42 PM - 10:12 PM

Minor Periods

2:28 PM - 3:58 PM
12:16 AM - 1:46 AM

Action Rating: 2 out of 5

Sunday, August 3, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 85.4°F
Average Humidity: 77%
Chance of Rain: 74%
Wind: 8.1 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 16.29 μg/m3
PM10: 19 μg/m3
Carbon Monoxide: 296.3 μg/m3
Nitrogen Dioxide: 22.78 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 64.6 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:31 PM
Sunset: 8:15 PM
Daylight: 13 hrs 27 mins
Moonrise: 3:56 PM
Moon Transit: 9:01 PM
Moonset: 1:22 AM
Moon Phase: First Quarter
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

9:18 AM - 11:48 AM
8:31 PM - 11:01 PM

Minor Periods

3:26 PM - 4:56 PM
12:52 AM - 2:22 AM

Action Rating: 3 out of 5

Monday, August 4, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 82.6°F
Average Humidity: 74%
Chance of Rain: 73%
Wind: 7.8 mph
UV Index: 1.8

Air Quality

AQI: 2 - Moderate
PM2.5: 17.9 μg/m3
PM10: 19.38 μg/m3
Carbon Monoxide: 375.7 μg/m3
Nitrogen Dioxide: 20.98 μg/m3
Sulphur Dioxide: 5.48 μg/m3
Ozone: 77.36 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:31 PM
Sunset: 8:14 PM
Daylight: 13 hrs 26 mins
Moonrise: 4:53 PM
Moon Transit: 9:54 PM
Moonset: 2:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

10:09 AM - 12:39 AM
9:24 PM - 11:54 PM

Minor Periods

4:23 PM - 5:53 PM
1:36 AM - 3:06 AM

Action Rating: 2 out of 5

Tuesday, August 5, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 84.1°F
Average Humidity: 68%
Chance of Rain: 87%
Wind: 11 mph
UV Index: 0.1

Air Quality

AQI: 2 - Moderate
PM2.5: 28.75 μg/m3
PM10: 29.98 μg/m3
Carbon Monoxide: 420.95 μg/m3
Nitrogen Dioxide: 35.9 μg/m3
Sulphur Dioxide: 5.22 μg/m3
Ozone: 57.92 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:31 PM
Sunset: 8:13 PM
Daylight: 13 hrs 24 mins
Moonrise: 5:48 PM
Moon Transit: 10:48 PM
Moonset: 2:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

11:03 AM - 1:33 PM
12:00 AM - 12:00 AM

Minor Periods

5:18 PM - 6:48 PM
2:25 AM - 3:55 AM

Action Rating: 2 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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