Water Temperature of the Santa Margarita River in Temecula, CA

Current Water Temperature

75.7°F

Measurement Time: Wednesday, August 5, 2026, 10:00 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

62.8°F
Clear
Clear
65.1°F
62.8°F
89%
SW 2.2 mph
2.8 mph
62.8°F
59.6°F
0 in
10%
6 mi
1013 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 100°F
L: 63°F
Sunny
Fri
H: 96°F
L: 63°F
Sunny
Sat
H: 99°F
L: 63°F
Sunny
Sun
H: 98°F
L: 66°F
Sunny
Mon
H: 95°F
L: 65°F

Air Quality

AQI: 1 - Good
PM2.5: 10.5 μg/m3
PM10: 12.5 μg/m3
Carbon Monoxide: 129 μg/m3
Nitrogen Dioxide: 16.9 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 24 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:54 AM
Sunset: 7:44 PM
Daylight: 13 hrs 39 mins
Moonrise: 12:38 AM
Moon Transit: 6:53 AM
Moonset: 2:19 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
3:06 PM - 5:36 PM

Minor Periods

1:49 PM - 3:19 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Heat Advisory issued August 6 at 12:28AM PDT until August 9 at 8:00PM PDT by NWS San Diego CA

Effective: Thu August 6, 2026, 12:28 AM
Expires: Thu August 6, 2026, 3:30 PM

* WHAT...High temperatures in the mid 90s to 105 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.

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


Heat Advisory issued August 6 at 12:28AM PDT until August 9 at 8:00PM PDT by NWS San Diego CA

Effective: Thu August 6, 2026, 12:28 AM
Expires: Thu August 6, 2026, 3:30 PM

* WHAT...High temperatures mostly in the mid 80s to upper 90s below 6500 feet expected. * WHERE...Riverside County Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.

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


Heat Advisory issued August 6 at 12:28AM PDT until August 9 at 8:00PM PDT by NWS San Diego CA

Effective: Thu August 6, 2026, 12:28 AM
Expires: Thu August 6, 2026, 3:30 PM

* WHAT...High temperatures mostly in the mid 80s to upper 90s expected. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.

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 August 6 at 12:28AM PDT until August 9 at 8:00PM PDT by NWS San Diego CA

Effective: Thu August 6, 2026, 12:28 AM
Expires: Thu August 6, 2026, 3:30 PM

* WHAT...Dangerously hot conditions with high temperatures of 108 to 114 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 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.


Heat Advisory issued August 5 at 9:41PM PDT until August 8 at 8:00PM PDT by NWS San Diego CA

Effective: Wed August 5, 2026, 9:41 PM
Expires: Thu August 6, 2026, 6:15 AM

* WHAT...High temperatures mostly in the mid 80s to low 100s below 6500 feet expected. * WHERE...Riverside County Mountains. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Thursday, August 6, 2026

Weather Forecast

Sunny
99.9°F
62.8°F
77°F
64%
0.01 in
17%
0%
13.4 mph
10.4


Air Quality

AQI: 1 - Good
PM2.5: 11.03 μg/m3
PM10: 14.32 μg/m3
Carbon Monoxide: 117.67 μg/m3
Nitrogen Dioxide: 7.58 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 80.71 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:54 AM
Sunset: 7:44 PM
Daylight: 13 hrs 39 mins
Moonrise: 12:38 AM
Moon Transit: 6:53 AM
Moonset: 2:19 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
3:06 PM - 5:36 PM

Minor Periods

1:49 PM - 3:19 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, August 7, 2026

Weather Forecast

Sunny
96.1°F
62.9°F
77.9°F
47%
0 in
2%
0%
12.8 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 12.03 μg/m3
PM10: 15.58 μg/m3
Carbon Monoxide: 142.08 μg/m3
Nitrogen Dioxide: 6.54 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 87.13 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 12:54 AM
Sunset: 7:43 PM
Daylight: 13 hrs 37 mins
Moonrise: 12:22 AM
Moon Transit: 7:52 AM
Moonset: 3:30 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:22 AM - 9:52 AM
4:07 PM - 6:37 PM

Minor Periods

3:00 PM - 4:30 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, August 8, 2026

Weather Forecast

Sunny
99.4°F
63.2°F
79.6°F
41%
0 in
1%
0%
11.6 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 15.49 μg/m3
PM10: 20.48 μg/m3
Carbon Monoxide: 139.79 μg/m3
Nitrogen Dioxide: 7.4 μg/m3
Sulphur Dioxide: 2.36 μg/m3
Ozone: 94.79 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 12:54 AM
Sunset: 7:42 PM
Daylight: 13 hrs 35 mins
Moonrise: 1:16 AM
Moon Transit: 8:56 AM
Moonset: 4:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.6%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
5:11 PM - 7:41 PM

Minor Periods

4:08 PM - 5:38 PM
12:46 AM - 2:16 AM

Action Rating: 3 out of 5

Sunday, August 9, 2026

Weather Forecast

Sunny
98.2°F
65.6°F
80.3°F
43%
0 in
17%
0%
12.1 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 14.06 μg/m3
PM10: 20.17 μg/m3
Carbon Monoxide: 133.53 μg/m3
Nitrogen Dioxide: 7.31 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 81.96 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:54 AM
Sunset: 7:41 PM
Daylight: 13 hrs 34 mins
Moonrise: 2:20 AM
Moon Transit: 10:01 AM
Moonset: 5:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.8%

Best Times for Fishing or Hunting

Major Periods

6:16 PM - 8:46 PM
9:31 AM - 12:01 AM

Minor Periods

5:09 PM - 6:39 PM
1:50 AM - 3:20 AM

Action Rating: 2 out of 5

Monday, August 10, 2026

Weather Forecast

Sunny
95.3°F
64.6°F
77.4°F
45%
0 in
3%
0%
12.3 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 14.6 μg/m3
PM10: 19.37 μg/m3
Carbon Monoxide: 158.67 μg/m3
Nitrogen Dioxide: 13.95 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 44 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 12:53 AM
Sunset: 7:40 PM
Daylight: 13 hrs 32 mins
Moonrise: 3:31 AM
Moon Transit: 11:04 AM
Moonset: 6:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

7:19 PM - 9:49 PM
10:34 AM - 1:04 PM

Minor Periods

6:01 PM - 7:31 PM
3:01 AM - 4:31 AM

Action Rating: 4 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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