Water Temperature of Imperial Reservoir in Winterhaven, CA

Current Water Temperature

69.4°F 20.8°C
Cool Brisk & Refreshing
69.4°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Feels brisk on entry. Great for short dips; wetsuit recommended for extended swimming or water sports.

Measurement Time: Tuesday, November 10, 2026, 8:00 AM PST

Temperature Locations

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Local Points of Interest

Colorado River; Imperial Dam; Yuma, AZ

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Imperial Reservoir

Station Name: COLORADO RIVER ABOVE IMPERIAL DAM, AZ-CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 174 feet

Nearest Address:
Imperial Dam Rd
Winterhaven, CA 92283
Imperial County

GPS Coordinates: 32.8849361, -114.468111

Nearby Water Temperatures

Colorado River, Yuma, AZ (19 mi)
Sality Canal, San Luis, AZ (33.2 mi)
Sality Canal, San Luis, AZ (33.2 mi)
Colorado River Intake, Ehrenberg, AZ (58.5 mi)
Bill Williams River, Parker Strip, AZ (99.8 mi)
Hamilton Creek, Anza, CA (133.3 mi)
Cahuilla Creek, Anza, CA (136.4 mi)
North San Diego Bay, San Diego, CA (157.6 mi)
Santa Margarita River, Temecula, CA (159.9 mi)
Pacific Ocean, La Jolla, CA (161.8 mi)
Pacific Ocean, Del Mar, CA (163.1 mi)
Pacific Ocean, Del Mar, CA (169.6 mi)
Pacific Ocean, Tijuana, MX (173.8 mi)
Pacific Ocean, Oceanside, CA (175.2 mi)
Pacific Ocean, San Diego, CA (176.3 mi)

Weather for Winterhaven, California

Current Weather

84.9°F
Sunny
Conditions: Sunny
Humidity: 23%
Feels Like: 79.7°F
Wind: NW 8.2 mph
Wind Gusts: 9.8 mph
Pressure: 30 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 45 mi
UV Index: 1.4

Weather Forecast

Sunny
Tue
H: 86°F
L: 61°F
Sunny
Wed
H: 86°F
L: 59°F
Overcast
Thu
H: 84°F
L: 60°F
Overcast
Fri
H: 79°F
L: 66°F
Overcast
Sat
H: 71°F
L: 62°F

Air Quality

EPA Index 1 • Good

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

PM2.5
1.5 μg/m³
Good
PM10
5.7 μg/m³
Good
Ozone (O3)
106 μg/m³
Photochemical
NO2
0.3 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
121 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 36m daylight
Sunrise 6:04 AM
Solar Noon 11:21 AM
Sunset 4:40 PM
Moon
New • 0%
Moonrise 7:34 AM
Transit 12:30 PM
Moonset 5:24 PM

Best Times for Fishing or Hunting

Major Periods

12:00 PM - 2:30 PM
11:35 PM - 2:05 AM

Minor Periods

7:04 AM - 8:34 AM
4:54 PM - 6:24 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 72°F
Average Humidity: 39%
Chance of Rain: 0%
Wind: 9.1 mph
UV Index: 4.9

Air Quality

EPA Index 1 • Good
PM2.5
2 μg/m³
Good
PM10
4.7 μg/m³
Good
Ozone (O3)
61 μg/m³
Photochemical
NO2
5.6 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
119.5 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 36m daylight
Sunrise 6:04 AM
Solar Noon 11:21 AM
Sunset 4:40 PM
Moon
New • 0%
Moonrise 7:34 AM
Transit 12:30 PM
Moonset 5:24 PM

Best Times for Fishing or Hunting

Major Periods

12:00 PM - 2:30 PM
11:35 PM - 2:05 AM

Minor Periods

7:04 AM - 8:34 AM
4:54 PM - 6:24 PM
Action Rating:
Very Good 4/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 71.1°F
Average Humidity: 32%
Chance of Rain: 0%
Wind: 7.3 mph
UV Index: 4.9

Air Quality

EPA Index 1 • Good
PM2.5
1.9 μg/m³
Good
PM10
2.7 μg/m³
Good
Ozone (O3)
63 μg/m³
Photochemical
NO2
5.8 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
121.3 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 34m daylight
Sunrise 6:05 AM
Solar Noon 11:21 AM
Sunset 4:39 PM
Moon
New • 2%
Moonrise 8:31 AM
Transit 1:22 PM
Moonset 6:12 PM

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

8:01 AM - 9:31 AM
5:42 PM - 7:12 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 72.7°F
Average Humidity: 31%
Chance of Rain: 0%
Wind: 6.9 mph
UV Index: 4.9

Air Quality

EPA Index 1 • Good
PM2.5
4 μg/m³
Good
PM10
7.5 μg/m³
Good
Ozone (O3)
72.1 μg/m³
Photochemical
NO2
5.6 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
139 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 33m daylight
Sunrise 6:06 AM
Solar Noon 11:22 AM
Sunset 4:38 PM
Moon
Waxing Crescent • 6%
Moonrise 9:23 AM
Transit 2:13 PM
Moonset 7:05 PM

Best Times for Fishing or Hunting

Major Periods

1:17 AM - 3:47 AM
1:43 PM - 4:13 PM

Minor Periods

8:53 AM - 10:23 AM
6:35 PM - 8:05 PM
Action Rating:
Good Action 3/5
Friday, November 13, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 72°F
Average Humidity: 42%
Chance of Rain: 10%
Wind: 19.6 mph
UV Index: 4.6

Air Quality

EPA Index 2 • Moderate
PM2.5
10.1 μg/m³
Good
PM10
51.8 μg/m³
Good
Ozone (O3)
80.1 μg/m³
Photochemical
NO2
2.2 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
154.5 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 31m daylight
Sunrise 6:07 AM
Solar Noon 11:22 AM
Sunset 4:38 PM
Moon
Waxing Crescent • 13%
Moonrise 10:10 AM
Transit 3:04 PM
Moonset 8:01 PM

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
2:34 PM - 5:04 PM

Minor Periods

9:40 AM - 11:10 AM
7:31 PM - 9:01 PM
Action Rating:
Good Action 3/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 66.9°F
Average Humidity: 53%
Chance of Rain: 3%
Wind: 20.6 mph
UV Index: 3.3

Air Quality

EPA Index 2 • Moderate
PM2.5
6.8 μg/m³
Good
PM10
31.6 μg/m³
Good
Ozone (O3)
64.1 μg/m³
Photochemical
NO2
3.4 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
131.8 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 30m daylight
Sunrise 6:08 AM
Solar Noon 11:22 AM
Sunset 4:37 PM
Moon
Waxing Crescent • 21%
Moonrise 10:51 AM
Transit 3:52 PM
Moonset 8:58 PM

Best Times for Fishing or Hunting

Major Periods

2:58 AM - 5:28 AM
3:22 PM - 5:52 PM

Minor Periods

10:21 AM - 11:51 AM
8:28 PM - 9:58 PM
Action Rating:
Fair Action 2/5
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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