Water Temperature of Las Casas Lake in Fort Buchanan, PR

Current Water Temperature

83.1°F 28.4°C
Warm Warm & Relaxing
83.1°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Water feels warm and inviting. Safe for extended immersion with virtually no thermal fatigue.

Measurement Time: Thursday, November 12, 2026, 2:45 PM AST

Temperature Locations

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Local Points of Interest

Bayamón, PR; Guaynabo, PR

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Las Casas Lake

Station Name: LAS CASAS LAKE AT FORT BUCHANAN, GUAYNABO, PR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 33 feet

Nearest Address:
Columbus St
Fort Buchanan, PR 00934
Bayamón County

GPS Coordinates: 18.41459765, -66.1235553

Nearby Water Temperatures

Unnamed Creek, Fort Buchanan, PR (0.6 mi)
Unnamed Creek, Fort Buchanan, PR (0.6 mi)
San Juan Bay, San Juan, PR (3.1 mi)
Atlantic Ocean, San Juan, PR (4.4 mi)
Atlantic Ocean, Vieques, PR (44.5 mi)
Caribbean Sea, Esperanza, PR (48.2 mi)
Bahía de Sardinas, Culebra, PR (54.4 mi)
Caribbean Sea, La Parguera, PR (67.9 mi)
Bahía de Aguadilla, Aguadilla, PR (68.3 mi)
Bahía de Mayagüez, Mayagüez, PR (69.5 mi)
Long Bay, Charlotte Amalie (St. Thomas), VI (79.1 mi)
Caribbean Sea, St. John, VI (90 mi)
Lameshur Bay, Coral Harbour (St. John), VI (92 mi)
Limetree Bay, St. Croix, VI (102.8 mi)
Christiansted Harbor, Christiansted (St. Croix), VI (104.3 mi)

Weather for Fort Buchanan, Puerto Rico

Current Weather

81.7°F
Mainly Clear
Conditions: Mainly Clear
Humidity: 82%
Feels Like: 89.6°F
Wind: SSE 7.8 mph
Wind Gusts: 13 mph
Pressure: 29.93 in
Precipitation: 0 in
Cloud Cover: 47%
Visibility: 16.4 mi
UV Index: 0

Five-Day Weather Forecast

Light Drizzle
Thu
H: 89°F
L: 78°F
Partly Cloudy
Fri
H: 89°F
L: 80°F
Thunderstorm with Hail
Sat
H: 88°F
L: 79°F
Overcast
Sun
H: 88°F
L: 78°F
Moderate Drizzle
Mon
H: 84°F
L: 75°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
5.7 μg/m³
Good
PM10
8.7 μg/m³
Good
Ozone (O3)
41 μg/m³
Photochemical
NO2
0.8 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
113 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 18m daylight
Sunrise 6:30 AM
Solar Noon 12:08 PM
Sunset 5:48 PM
Moon
Waxing Crescent • 6%
Moonrise 9:23 AM
Transit 2:53 PM
Moonset 8:24 PM

Best Times for Fishing or Hunting

Major Periods

1:57 AM - 4:27 AM
2:23 PM - 4:53 PM

Minor Periods

8:53 AM - 10:23 AM
7:54 PM - 9:24 PM
Action Rating:
Fair Action 2/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 82.4°F
Average Humidity: 81%
Chance of Rain: 91%
Wind: 11.4 mph
UV Index: 7

Air Quality

EPA Index 1 • Good
PM2.5
4.7 μg/m³
Good
PM10
7.1 μg/m³
Good
Ozone (O3)
47.2 μg/m³
Photochemical
NO2
0.9 μg/m³
Nitrogen Dioxide
SO2
1.2 μg/m³
Sulfur Dioxide
CO
106.8 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 18m daylight
Sunrise 6:30 AM
Solar Noon 12:08 PM
Sunset 5:48 PM
Moon
Waxing Crescent • 6%
Moonrise 9:23 AM
Transit 2:53 PM
Moonset 8:24 PM

Best Times for Fishing or Hunting

Major Periods

1:57 AM - 4:27 AM
2:23 PM - 4:53 PM

Minor Periods

8:53 AM - 10:23 AM
7:54 PM - 9:24 PM
Action Rating:
Fair Action 2/5
Friday, November 13, 2026

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 83.5°F
Average Humidity: 75%
Chance of Rain: 45%
Wind: 14 mph
UV Index: 6.8

Air Quality

EPA Index 2 • Moderate
PM2.5
11.9 μg/m³
Good
PM10
18.5 μg/m³
Good
Ozone (O3)
46.6 μg/m³
Photochemical
NO2
0.6 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
118.8 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 17m daylight
Sunrise 6:30 AM
Solar Noon 12:08 PM
Sunset 5:47 PM
Moon
Waxing Crescent • 13%
Moonrise 10:12 AM
Transit 3:44 PM
Moonset 9:17 PM

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
3:14 PM - 5:44 PM

Minor Periods

9:42 AM - 11:12 AM
8:47 PM - 10:17 PM
Action Rating:
Good Action 3/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Thunderstorm with Hail
Average Temperature: 82.6°F
Average Humidity: 82%
Chance of Rain: 81%
Wind: 12.6 mph
UV Index: 6.8

Air Quality

EPA Index 2 • Moderate
PM2.5
8.8 μg/m³
Good
PM10
12.8 μg/m³
Good
Ozone (O3)
44.4 μg/m³
Photochemical
NO2
0.7 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
112.6 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 16m daylight
Sunrise 6:31 AM
Solar Noon 12:08 PM
Sunset 5:47 PM
Moon
Waxing Crescent • 21%
Moonrise 10:58 AM
Transit 4:32 PM
Moonset 10:10 PM

Best Times for Fishing or Hunting

Major Periods

3:38 AM - 6:08 AM
4:02 PM - 6:32 PM

Minor Periods

10:28 AM - 11:58 AM
9:40 PM - 11:10 PM
Action Rating:
Good Action 3/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 81.7°F
Average Humidity: 79%
Chance of Rain: 1%
Wind: 10.5 mph
UV Index: 6.9

Air Quality

EPA Index 2 • Moderate
PM2.5
14.7 μg/m³
Moderate
PM10
20.9 μg/m³
Good
Ozone (O3)
53.3 μg/m³
Photochemical
NO2
0.8 μg/m³
Nitrogen Dioxide
SO2
3 μg/m³
Sulfur Dioxide
CO
107.2 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 16m daylight
Sunrise 6:31 AM
Solar Noon 12:09 PM
Sunset 5:47 PM
Moon
Waxing Crescent • 31%
Moonrise 11:39 AM
Transit 5:19 PM
Moonset 11:02 PM

Best Times for Fishing or Hunting

Major Periods

4:26 AM - 6:56 AM
4:49 PM - 7:19 PM

Minor Periods

11:09 AM - 12:39 PM
10:32 PM - 12:02 AM
Action Rating:
Good Action 3/5
Monday, November 16, 2026

Weather Forecast

Conditions: Moderate Drizzle
Average Temperature: 79.5°F
Average Humidity: 87%
Chance of Rain: 69%
Wind: 12 mph
UV Index: 6.8

Air Quality

EPA Index 2 • Moderate
PM2.5
7 μg/m³
Good
PM10
10.3 μg/m³
Good
Ozone (O3)
42.1 μg/m³
Photochemical
NO2
1.1 μg/m³
Nitrogen Dioxide
SO2
1.6 μg/m³
Sulfur Dioxide
CO
104.5 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 15m daylight
Sunrise 6:32 AM
Solar Noon 12:09 PM
Sunset 5:47 PM
Moon
First Quarter • 42%
Moonrise 12:18 PM
Transit 6:03 PM
Moonset 12:43 AM

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
5:33 PM - 8:03 PM

Minor Periods

12:13 AM - 1:43 AM
11:48 AM - 1:18 PM
Action Rating:
Good Action 3/5
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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