Water Temperature of Imperial Reservoir in Winterhaven, CA

Current Water Temperature

86.9°F

Measurement Time: Wednesday, July 29, 2026, 10:00 PM PDT

Temperature Locations

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Local Points of Interest

Colorado River; Imperial Dam; Yuma, AZ

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

88.7°F
Clear
Clear
79.2°F
86.9°F
29%
SSE 4 mph
8.2 mph
88.7°F
52.6°F
0 in
0%
6 mi
1007 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 110°F
L: 86°F
Sunny
Fri
H: 112°F
L: 86°F
Sunny
Sat
H: 115°F
L: 88°F
Sunny
Sun
H: 110°F
L: 86°F
Sunny
Mon
H: 107°F
L: 88°F

Air Quality

AQI: 2 - Moderate
PM2.5: 10.3 μg/m3
PM10: 27.4 μg/m3
Carbon Monoxide: 101 μg/m3
Nitrogen Dioxide: 6.3 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 12:44 AM
Sunset: 7:38 PM
Daylight: 13 hrs 48 mins
Moonrise: 8:31 PM
Moon Transit: 1:19 AM
Moonset: 6:45 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
9:50 AM - 12:20 AM

Minor Periods

8:01 PM - 9:31 PM
6:15 AM - 7:45 AM

Action Rating: 5 out of 5

Extreme Heat Warning issued July 29 at 9:00PM PDT until August 2 at 8:00PM PDT by NWS San Diego CA

Effective: Wed July 29, 2026, 9:00 PM
Expires: Thu July 30, 2026, 6:15 AM

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 below 7000 feet expected. * WHERE...Riverside County Mountains. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Extreme Heat Warning issued July 29 at 9:00PM PDT until August 2 at 8:00PM PDT by NWS San Diego CA

Effective: Wed July 29, 2026, 9:00 PM
Expires: Thu July 30, 2026, 6:15 AM

* WHAT...Dangerously hot conditions with temperatures of 100 to 108 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Extreme Heat Warning issued July 29 at 9:00PM PDT until August 2 at 8:00PM PDT by NWS San Diego CA

Effective: Wed July 29, 2026, 9:00 PM
Expires: Thu July 30, 2026, 6:15 AM

* WHAT...Dangerously hot conditions with temperatures of 115 to 120 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Thursday, July 30, 2026

Weather Forecast

Sunny
109.6°F
86.2°F
98.3°F
22%
0 in
0%
0%
12.3 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 10.15 μg/m3
PM10: 39.05 μg/m3
Carbon Monoxide: 98.54 μg/m3
Nitrogen Dioxide: 2.12 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 73.21 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 12:44 AM
Sunset: 7:38 PM
Daylight: 13 hrs 48 mins
Moonrise: 8:31 PM
Moon Transit: 1:19 AM
Moonset: 6:45 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
9:50 AM - 12:20 AM

Minor Periods

8:01 PM - 9:31 PM
6:15 AM - 7:45 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
111.6°F
86.1°F
99°F
20%
0 in
0%
0%
13.2 mph
10.5


Air Quality

AQI: 1 - Good
PM2.5: 9.38 μg/m3
PM10: 41.48 μg/m3
Carbon Monoxide: 97.17 μg/m3
Nitrogen Dioxide: 2.14 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 74.13 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 12:44 AM
Sunset: 7:37 PM
Daylight: 13 hrs 46 mins
Moonrise: 8:58 PM
Moon Transit: 2:03 AM
Moonset: 7:45 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:33 AM - 4:03 AM
10:34 AM - 1:04 PM

Minor Periods

8:28 PM - 9:58 PM
7:15 AM - 8:45 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
114.9°F
87.9°F
100.6°F
25%
0 in
0%
0%
17.2 mph
11


Air Quality

AQI: 1 - Good
PM2.5: 10.7 μg/m3
PM10: 47.49 μg/m3
Carbon Monoxide: 96 μg/m3
Nitrogen Dioxide: 2.13 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 82.13 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:44 AM
Sunset: 7:36 PM
Daylight: 13 hrs 45 mins
Moonrise: 9:24 PM
Moon Transit: 2:47 AM
Moonset: 8:44 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:17 AM - 4:47 AM
11:17 AM - 1:47 PM

Minor Periods

8:54 PM - 10:24 PM
8:14 AM - 9:44 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Sunny
110.4°F
86.1°F
98.4°F
37%
0 in
1%
0%
21.3 mph
10


Air Quality

AQI: 2 - Moderate
PM2.5: 17.25 μg/m3
PM10: 97.53 μg/m3
Carbon Monoxide: 99.28 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 69.83 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:44 AM
Sunset: 7:35 PM
Daylight: 13 hrs 43 mins
Moonrise: 9:51 PM
Moon Transit: 3:50 PM
Moonset: 9:44 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:20 PM - 5:50 PM
3:20 PM - 5:50 PM

Minor Periods

9:21 PM - 10:51 PM
9:14 AM - 10:44 AM

Action Rating: 2 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
106.6°F
87.8°F
97.2°F
37%
0 in
1%
0%
23.3 mph
10


Air Quality

AQI: 2 - Moderate
PM2.5: 26.97 μg/m3
PM10: 159.33 μg/m3
Carbon Monoxide: 115.17 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 61.83 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 12:44 AM
Sunset: 7:34 PM
Daylight: 13 hrs 41 mins
Moonrise: 10:20 PM
Moon Transit: 4:13 AM
Moonset: 10:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

3:43 AM - 6:13 AM
12:44 AM - 3:14 PM

Minor Periods

9:50 PM - 11:20 PM
10:16 AM - 11:46 AM

Action Rating: 3 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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