Water Temperature of the Santa Ynez River in Santa Ynez, CA

Current Water Temperature

57.4°F

Measurement Time: Wednesday, March 18, 2026, 12:45 PM PDT

Temperature Locations

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Local Points of Interest

Lake Cachuma

Santa Ynez River

Station Name: SANTA YNEZ R NR SANTA YNEZ CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 574 feet

Nearest Address:
Cachuma Village Rd
Santa Ynez, CA 93460
Santa Barbara County

GPS Coordinates: 34.5891552, -119.9887532

Nearby Water Temperatures

Hilton Canyon Creek, Santa Ynez, CA (0.6 mi)
Santa Ynez River, Santa Ynez, CA (2.4 mi)
Santa Ynez River, Solvang, CA (8.9 mi)
Santa Ynez River, Lompoc, CA (25 mi)
Pacific Ocean, Santa Barbara, CA (25.5 mi)
Pacific Ocean, Gaviota, CA (34.9 mi)
Pacific Ocean, Lompoc, CA (46 mi)
San Luis Obispo Bay, Avila Beach, CA (59 mi)
Pacific Ocean, Santa Cruz Island, CA (61.6 mi)
Pacific Ocean, Santa Monica, CA (78.9 mi)
Pacific Ocean, Santa Maria, CA (86.6 mi)
Los Angeles River, Encino, CA (89.6 mi)
Los Angeles River, Sherman Oaks, CA (91.7 mi)
Santa Monica Bay, Santa Monica, CA (94 mi)
Pacific Ocean, San Nicolas Island, CA (94.9 mi)

Weather for Santa Ynez, California

Current Weather

75.2°F
Clear
Clear
77.1°F
78.1°F
50%
N 4.9 mph
10.3 mph
75.3°F
52.5°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 94°F
L: 69°F
Sunny
Thu
H: 90°F
L: 65°F
Sunny
Fri
H: 86°F
L: 69°F
Partly Cloudy
Sat
H: 77°F
L: 64°F
Sunny
Sun
H: 85°F
L: 59°F

Air Quality

AQI: 1 - Good
PM2.5: 13.85 μg/m3
PM10: 18.15 μg/m3
Carbon Monoxide: 136.85 μg/m3
Nitrogen Dioxide: 8.75 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:00 AM
Sunset: 7:10 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:50 AM
Moon Transit: 12:54 AM
Moonset: 7:09 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:24 AM - 2:54 PM

Minor Periods

6:39 PM - 8:09 PM
6:20 AM - 7:50 AM

Action Rating: 3 out of 5

Heat Advisory issued March 18 at 1:48AM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Effective: Wed March 18, 2026, 1:48 AM
Expires: Wed March 18, 2026, 2:00 PM

* WHAT...Hot conditions with high temperatures in the 80s and 90s expected. * WHERE...Cuyama Valley, San Luis Obispo County Interior Valleys, and Southern Salinas Valley. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations.

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 March 18 at 1:48AM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Effective: Wed March 18, 2026, 1:48 AM
Expires: Wed March 18, 2026, 2:00 PM

* WHAT...Hot conditions with high temperatures between 80 and 90 expected. * WHERE...San Miguel and Santa Rosa Islands and Santa Cruz and Anacapa Islands. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations.

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.


Extreme Heat Warning issued March 18 at 1:48AM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Effective: Wed March 18, 2026, 1:48 AM
Expires: Wed March 18, 2026, 2:00 PM

* WHAT...Dangerously hot conditions with temperatures in the 90s to near 100 expected. * WHERE...San Luis Obispo County Mountains, Santa Barbara County Interior Mountains, Santa Lucia Mountains, Santa Ynez Mountains Eastern Range, and Santa Ynez Mountains Western Range. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations.

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 March 18 at 1:48AM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Effective: Wed March 18, 2026, 1:48 AM
Expires: Wed March 18, 2026, 2:00 PM

* WHAT...Hot conditions with high temperatures in the 80s and 90s expected. * WHERE...San Luis Obispo County Beaches, San Luis Obispo County Inland Central Coast, Santa Barbara County Central Coast Beaches, Santa Barbara County Inland Central Coast, Santa Barbara County Southeastern Coast, Santa Barbara County Southwestern Coast, and Santa Ynez Valley. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations.

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.


Extreme Heat Warning issued March 18 at 1:06PM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Effective: Wed March 18, 2026, 1:06 PM
Expires: Fri March 20, 2026, 8:00 PM

* WHAT...Dangerously hot conditions with temperatures in the 90s to near 100 expected. * WHERE...San Luis Obispo County Mountains, Santa Barbara County Interior Mountains, Santa Lucia Mountains, Santa Ynez Mountains Eastern Range, and Santa Ynez Mountains Western Range. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations.

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.


Wednesday, March 18, 2026

Weather Forecast

Sunny
94.3°F
69.1°F
78.9°F
35%
0 in
0%
0%
6 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 11.47 μg/m3
PM10: 14.93 μg/m3
Carbon Monoxide: 147.33 μg/m3
Nitrogen Dioxide: 6.53 μg/m3
Sulphur Dioxide: 3.19 μg/m3
Ozone: 78.6 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:00 AM
Sunset: 7:10 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:50 AM
Moon Transit: 12:54 AM
Moonset: 7:09 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:24 AM - 2:54 PM

Minor Periods

6:39 PM - 8:09 PM
6:20 AM - 7:50 AM

Action Rating: 3 out of 5

Thursday, March 19, 2026

Weather Forecast

Sunny
89.6°F
65.3°F
77.3°F
45%
0 in
0%
0%
5.8 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 14.08 μg/m3
PM10: 17.4 μg/m3
Carbon Monoxide: 150.21 μg/m3
Nitrogen Dioxide: 8.01 μg/m3
Sulphur Dioxide: 2.87 μg/m3
Ozone: 77.28 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:00 AM
Sunset: 7:11 PM
Daylight: 12 hrs 6 mins
Moonrise: 7:17 AM
Moon Transit: 12:00 AM
Moonset: 8:17 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

7:47 PM - 9:17 PM
6:47 AM - 8:17 AM

Action Rating: 4 out of 5

Friday, March 20, 2026

Weather Forecast

Sunny
85.5°F
69.2°F
75.5°F
46%
0 in
0%
0%
6.5 mph
1.9


Air Quality

AQI: 2 - Moderate
PM2.5: 15.76 μg/m3
PM10: 17.95 μg/m3
Carbon Monoxide: 156.81 μg/m3
Nitrogen Dioxide: 7.39 μg/m3
Sulphur Dioxide: 3.25 μg/m3
Ozone: 90.52 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 7:27 AM
Sunset: 7:12 PM
Daylight: 12 hrs 8 mins
Moonrise: 7:47 AM
Moon Transit: 2:31 PM
Moonset: 9:27 PM
Moon Phase: New
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:01 PM - 4:31 PM

Minor Periods

8:57 PM - 10:27 PM
7:17 AM - 8:47 AM

Action Rating: 4 out of 5

Saturday, March 21, 2026

Weather Forecast

Partly Cloudy
76.5°F
63.9°F
69.3°F
60%
0 in
0%
0%
6.7 mph
1.8


Air Quality

AQI: 2 - Moderate
PM2.5: 17.2 μg/m3
PM10: 20.3 μg/m3
Carbon Monoxide: 162.78 μg/m3
Nitrogen Dioxide: 4.84 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 100.52 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:00 AM
Sunset: 7:12 PM
Daylight: 12 hrs 10 mins
Moonrise: 8:20 AM
Moon Transit: 3:24 PM
Moonset: 10:40 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:54 PM - 5:24 PM

Minor Periods

10:10 PM - 11:40 PM
7:50 AM - 9:20 AM

Action Rating: 2 out of 5

Sunday, March 22, 2026

Weather Forecast

Sunny
85.4°F
58.5°F
70.2°F
47%
0 in
0%
0%
6.3 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 13.9 μg/m3
PM10: 18.67 μg/m3
Carbon Monoxide: 179.27 μg/m3
Nitrogen Dioxide: 5.93 μg/m3
Sulphur Dioxide: 2.7 μg/m3
Ozone: 71.69 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:06 PM
Sunset: 7:13 PM
Daylight: 12 hrs 13 mins
Moonrise: 8:59 AM
Moon Transit: 4:21 PM
Moonset: 11:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:51 PM - 6:21 PM

Minor Periods

12:00 AM - 12:00 AM
8:29 AM - 9:59 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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