Water Temperature of Imperial Reservoir in Winterhaven, CA

Current Water Temperature

77.2°F

Measurement Time: Wednesday, October 8, 2025, 4:00 PM PDT

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 / 53 meters

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

GPS Coordinates: 32.8849361, -114.468111

Nearby Water Temperatures

Colorado River, Yuma, AZ (19.0 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 (169.6 mi)
Pacific Ocean, Tijuana, MX (279.7 km)
Pacific Ocean, Oceanside, CA (175.2 mi)
Pacific Ocean, San Diego, CA (176.3 mi)
Santa Ana River, Corona, CA (195.8 mi)

Weather for Winterhaven, California

Current Weather

82.6°F
Clear
Conditions: Clear
Humidity: 37%
Feels Like: 81.6°F
Wind: SSE 6.3 mph
Wind Gusts: 11.7 mph
Pressure: 29.39 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 96°F
L: 77°F
Moderate rain
Fri
H: 84°F
L: 74°F
Moderate rain
Sat
H: 87°F
L: 72°F
Sunny
Sun
H: 88°F
L: 76°F
Sunny
Mon
H: 88°F
L: 73°F

Air Quality

PM2.5: 8.05 μg/m3
PM10: 23.25 μg/m3
Carbon Monoxide: 174.85 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:25 AM
Sunset: 6:12 PM
Daylight: 11 hrs 33 mins
Moonrise: 7:54 PM
Moon Transit: 2:19 AM
Moonset: 9:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

1:49 AM - 4:19 AM
10:55 AM - 1:25 PM

Minor Periods

7:24 PM - 8:54 PM
9:10 AM - 10:40 AM

Action Rating: 2 out of 5

Flood Watch issued October 8 at 1:37PM MST until October 11 at 12:00AM MST by NWS Phoenix AZ

Effective: Wed October 8, 2025, 1:37 PM
Expires: Thu October 9, 2025, 3:00 AM

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of southwest Arizona, including the following areas, Central La Paz, Gila River Valley, Kofa, Parker Valley, Southeast Yuma County and Yuma and California, including the following areas, Chiriaco Summit, Chuckwalla Mountains, Chuckwalla Valley, Imperial County Southeast, Imperial County Southwest, Imperial County West, Imperial Valley, Joshua Tree NP East, Joshua Tree NP West, Palo Verde Valley and Salton Sea. * WHEN...From Thursday afternoon through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Increasing moisture ahead of a tropical system will promote heavy rainfall. Rainfall totals up to 1 inch with locally higher amounts possible. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Thursday, October 9, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82°F
Average Humidity: 46%
Chance of Rain: 74%
Wind: 11 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 7.45 μg/m3
PM10: 24.57 μg/m3
Carbon Monoxide: 143.13 μg/m3
Nitrogen Dioxide: 4.46 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 74.64 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:25 AM
Sunset: 6:12 PM
Daylight: 11 hrs 33 mins
Moonrise: 7:54 PM
Moon Transit: 2:19 AM
Moonset: 9:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

1:49 AM - 4:19 AM
10:55 AM - 1:25 PM

Minor Periods

7:24 PM - 8:54 PM
9:10 AM - 10:40 AM

Action Rating: 2 out of 5

Friday, October 10, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 78.7°F
Average Humidity: 69%
Chance of Rain: 88%
Wind: 11.6 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 10.35 μg/m3
PM10: 43.29 μg/m3
Carbon Monoxide: 137.05 μg/m3
Nitrogen Dioxide: 4.1 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 82.72 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:24 AM
Sunset: 6:10 PM
Daylight: 11 hrs 32 mins
Moonrise: 8:47 PM
Moon Transit: 3:20 AM
Moonset: 10:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

2:50 AM - 5:20 AM
11:58 AM - 2:28 PM

Minor Periods

8:17 PM - 9:47 PM
10:25 AM - 11:55 AM

Action Rating: 2 out of 5

Saturday, October 11, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 79.3°F
Average Humidity: 70%
Chance of Rain: 87%
Wind: 10.7 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 7.32 μg/m3
PM10: 26.66 μg/m3
Carbon Monoxide: 125.33 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 65.6 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:24 AM
Sunset: 6:09 PM
Daylight: 11 hrs 30 mins
Moonrise: 9:47 PM
Moon Transit: 4:24 AM
Moonset: 12:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
1:02 PM - 3:32 PM

Minor Periods

9:17 PM - 10:47 PM
11:35 AM - 1:05 PM

Action Rating: 3 out of 5

Sunday, October 12, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 81.5°F
Average Humidity: 26%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 10.96 μg/m3
PM10: 75.3 μg/m3
Carbon Monoxide: 122.77 μg/m3
Nitrogen Dioxide: 1.91 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 64.08 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:24 AM
Sunset: 6:08 PM
Daylight: 11 hrs 28 mins
Moonrise: 10:53 PM
Moon Transit: 5:28 AM
Moonset: 1:07 PM
Moon Phase: Waning Gibbous
Moon Illumination: 62.3%

Best Times for Fishing or Hunting

Major Periods

4:58 AM - 7:28 AM
2:04 PM - 4:34 PM

Minor Periods

10:23 PM - 11:53 PM
12:37 AM - 2:07 PM

Action Rating: 2 out of 5

Monday, October 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 78.9°F
Average Humidity: 23%
Chance of Rain: 0%
Wind: 15.4 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:23 AM
Sunset: 6:07 PM
Daylight: 11 hrs 26 mins
Moonrise: 12:01 PM
Moon Transit: 6:28 AM
Moonset: 1:59 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

5:58 AM - 8:28 AM
3:04 PM - 5:34 PM

Minor Periods

12:00 AM - 12:00 AM
1:29 PM - 2:59 PM

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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