Water Temperature of the Santa Margarita River in Temecula, CA

Current Water Temperature

66.7°F

Measurement Time: Saturday, May 9, 2026, 11:00 PM PDT

Temperature Locations

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Local Points of Interest

Santa Margarita Ecological Reserve

Santa Margarita River

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

Elevation Above Sea Level: 1,001 feet

Nearest Address:
Camino Estribo
Temecula, CA 92590
Riverside County

GPS Coordinates: 33.4739175, -117.1422536

Nearby Water Temperatures

Cahuilla Creek, Anza, CA (26.8 mi)
Pacific Ocean, Oceanside, CA (27.9 mi)
Hamilton Creek, Anza, CA (30.3 mi)
Pacific Ocean, Del Mar, CA (36.6 mi)
Pacific Ocean, Del Mar, CA (40 mi)
Santa Ana River, Corona, CA (40.5 mi)
Pacific Ocean, La Jolla, CA (42.5 mi)
North San Diego Bay, San Diego, CA (52.5 mi)
Pacific Ocean, San Diego, CA (54 mi)
Los Angeles Harbor, Los Angeles, CA (67.2 mi)
Pacific Ocean, Tijuana, MX (68.1 mi)
Mojave River, Victorville, CA (76.6 mi)
Santa Monica Bay, Santa Monica, CA (86.3 mi)
Los Angeles River, Sherman Oaks, CA (89.7 mi)
Los Angeles River, Encino, CA (91.8 mi)

Weather for Temecula, California

Current Weather

57.9°F
Overcast
Overcast
59.2°F
58.7°F
93%
NNE 2.2 mph
6.7 mph
58.7°F
49.1°F
0 in
100%
1 mi
1013 mbar
0.3

Five Day Weather Forecast

Sunny
Sun
H: 90°F
L: 53°F
Sunny
Mon
H: 91°F
L: 58°F
Sunny
Tue
H: 83°F
L: 55°F
Partly Cloudy
Wed
H: 85°F
L: 52°F
Sunny
Thu
H: 82°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 19.15 μg/m3
PM10: 21.45 μg/m3
Carbon Monoxide: 192.85 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 7.65 μg/m3
Ozone: 189 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:45 AM
Sunset: 7:38 PM
Daylight: 13 hrs 46 mins
Moonrise: 2:06 AM
Moon Transit: 7:37 AM
Moonset: 1:17 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:07 AM - 9:37 AM
3:46 PM - 6:16 PM

Minor Periods

12:47 AM - 2:17 PM
1:36 AM - 3:06 AM

Action Rating: 2 out of 5

Extreme Heat Warning issued May 9 at 8:25PM PDT until May 11 at 8:00PM PDT by NWS San Diego CA

Effective: Sat May 9, 2026, 8:25 PM
Expires: Sun May 10, 2026, 6:15 AM

* WHAT...Dangerously hot conditions with temperatures 104 to 109 degrees possible. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM Sunday to 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hottest conditions expected on Monday.

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 May 10 at 3:05AM PDT until May 11 at 8:00PM PDT by NWS San Diego CA

Effective: Sun May 10, 2026, 3:05 AM
Expires: Sun May 10, 2026, 2:15 PM

* WHAT...Dangerously hot conditions with temperatures 104 to 109 degrees possible. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM this morning to 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hottest conditions expected on Monday.

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.
Sunday, May 10, 2026

Weather Forecast

Sunny
89.8°F
53.2°F
68.7°F
55%
0 in
0%
0%
11.2 mph
9.8


Air Quality

AQI: 2 - Moderate
PM2.5: 19.69 μg/m3
PM10: 21.16 μg/m3
Carbon Monoxide: 227.21 μg/m3
Nitrogen Dioxide: 16.79 μg/m3
Sulphur Dioxide: 5.71 μg/m3
Ozone: 111.4 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:45 AM
Sunset: 7:38 PM
Daylight: 13 hrs 46 mins
Moonrise: 2:06 AM
Moon Transit: 7:37 AM
Moonset: 1:17 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:07 AM - 9:37 AM
3:46 PM - 6:16 PM

Minor Periods

12:47 AM - 2:17 PM
1:36 AM - 3:06 AM

Action Rating: 2 out of 5

Monday, May 11, 2026

Weather Forecast

Sunny
90.8°F
58°F
72.9°F
41%
0 in
0%
0%
12.5 mph
9.8


Air Quality

AQI: 2 - Moderate
PM2.5: 18.61 μg/m3
PM10: 20.98 μg/m3
Carbon Monoxide: 208.97 μg/m3
Nitrogen Dioxide: 16.68 μg/m3
Sulphur Dioxide: 5.34 μg/m3
Ozone: 109.96 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 12:44 AM
Sunset: 7:39 PM
Daylight: 13 hrs 48 mins
Moonrise: 2:35 AM
Moon Transit: 8:22 AM
Moonset: 2:19 PM
Moon Phase: Last Quarter
Moon Illumination: 16.9%

Best Times for Fishing or Hunting

Major Periods

7:52 AM - 10:22 AM
12:00 AM - 12:00 AM

Minor Periods

1:49 PM - 3:19 PM
2:05 AM - 3:35 AM

Action Rating: 2 out of 5

Tuesday, May 12, 2026

Weather Forecast

Sunny
82.8°F
55°F
67.3°F
50%
0 in
0%
0%
12.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 12.61 μg/m3
PM10: 14.91 μg/m3
Carbon Monoxide: 205.61 μg/m3
Nitrogen Dioxide: 16.51 μg/m3
Sulphur Dioxide: 4.49 μg/m3
Ozone: 95.28 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 12:44 AM
Sunset: 7:40 PM
Daylight: 13 hrs 50 mins
Moonrise: 3:02 AM
Moon Transit: 6:41 PM
Moonset: 3:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

6:11 PM - 8:41 PM
6:11 PM - 8:41 PM

Minor Periods

2:52 PM - 4:22 PM
2:32 AM - 4:02 AM

Action Rating: 2 out of 5

Wednesday, May 13, 2026

Weather Forecast

Partly Cloudy
85°F
51.8°F
67.3°F
40%
0 in
0%
0%
13.2 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 10.49 μg/m3
PM10: 14.39 μg/m3
Carbon Monoxide: 157.84 μg/m3
Nitrogen Dioxide: 11.29 μg/m3
Sulphur Dioxide: 2.72 μg/m3
Ozone: 77.6 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:44 AM
Sunset: 7:41 PM
Daylight: 13 hrs 51 mins
Moonrise: 3:30 AM
Moon Transit: 12:00 AM
Moonset: 4:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:04 PM - 8:34 PM

Minor Periods

3:59 PM - 5:29 PM
3:00 AM - 4:30 AM

Action Rating: 2 out of 5

Thursday, May 14, 2026

Weather Forecast

Sunny
81.8°F
47°F
59.6°F
54%
0 in
0%
0%
15 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 9.09 μg/m3
PM10: 12.6 μg/m3
Carbon Monoxide: 140.14 μg/m3
Nitrogen Dioxide: 6.75 μg/m3
Sulphur Dioxide: 2.21 μg/m3
Ozone: 77.38 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:44 AM
Sunset: 7:41 PM
Daylight: 13 hrs 53 mins
Moonrise: 4:01 AM
Moon Transit: 10:44 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

6:55 PM - 9:25 PM
10:14 AM - 12:44 AM

Minor Periods

5:08 PM - 6:38 PM
3:31 AM - 5:01 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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