Water Temperature of Trinity River in Helena, CA

Current Water Temperature

48.7°F

Measurement Time: Wednesday, February 25, 2026, 8:45 AM PST

Temperature Locations

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Local Points of Interest

Junction City, CA; Shasta Trinity National Forest

Trinity River

Station Name: TRINITY R AB NF TRINITY R NR HELENA CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,404 feet

Nearest Address:
State Rte 299
Helena, CA 96052
Trinity County

GPS Coordinates: 40.76653148, -123.1144757

Nearby Water Temperatures

Trinity River, Douglas City, CA (11.8 mi)
Trinity River, Lewiston, CA (16.7 mi)
Trinity River, Hoopa, CA (35.2 mi)
Klamath River, Orleans, CA (43.1 mi)
Humboldt Bay, Eureka, CA (57.7 mi)
Pacific Ocean, Manila, CA (65.6 mi)
Klamath River, Klamath, CA (68.3 mi)
Pacific Ocean, Eureka, CA (73.9 mi)
Mill Creek, Los Milinos, CA (75.6 mi)
Elder Creek, Branscomb, CA (76.9 mi)
Deer Creek, Vina, CA (80.4 mi)
Crescent Harbor, Crescent City, CA (87.5 mi)
Hat Creek, Old Station, CA (88.7 mi)
Pacific Ocean, Petrolia, CA (91 mi)
Butte Creek, Chico, CA (103.3 mi)

Weather for Helena, California

Current Weather

64.9°F
Partly Cloudy
Partly Cloudy
64.9°F
57.8°F
42%
NW 3.4 mph
3.9 mph
57.1°F
51°F
0 in
0%
9 mi
1019 mbar
0.2

Five Day Weather Forecast

Sunny
Wed
H: 61°F
L: 48°F
Fog
Thu
H: 58°F
L: 36°F
Partly Cloudy
Fri
H: 60°F
L: 40°F
Heavy rain
Sat
H: 53°F
L: 39°F
Patchy rain nearby
Sun
H: 60°F
L: 36°F

Air Quality

AQI: 1 - Good
PM2.5: 4.15 μg/m3
PM10: 5.25 μg/m3
Carbon Monoxide: 152.85 μg/m3
Nitrogen Dioxide: 6.95 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 41 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:25 AM
Sunset: 5:59 PM
Daylight: 11 hrs 7 mins
Moonrise: 11:33 AM
Moon Transit: 7:44 PM
Moonset: 2:51 AM
Moon Phase: First Quarter
Moon Illumination: 62.3%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
7:14 PM - 9:44 PM

Minor Periods

11:03 AM - 12:33 AM
2:21 AM - 3:51 AM

Action Rating: 2 out of 5

Flood Warning issued February 25 at 7:48AM PST until February 25 at 10:00PM PST by NWS Eureka CA

Effective: Wed February 25, 2026, 7:48 AM
Expires: Wed February 25, 2026, 8:00 PM

...The Flood Warning is extended for the following rivers in California... Eel River at Fernbridge affecting Humboldt County. For the Eel River...including Fernbridge, Scotia, Bridgeville, Fort Seward, Miranda...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Eel River at Fernbridge. * WHEN...Until this evening. * IMPACTS...At 24.0 feet, Minor flooding of Highway 211 to Ferndale south of Fernbridge. Much of the Eel Delta may be flooded, including areas northwest of Loleta and the western portion of Cannibal Island Road. Flooding will be enhanced for longer duration events. A Special Action Advisory is being issued to all owners of livestock in all low-lying areas adjacent to the Eel River. Appropriate action should be taken to protect livestock. * ADDITIONAL DETAILS... - At 7:15 AM PST Wednesday the stage was 23.1 feet. - Bankfull stage is 20.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:15 AM PST Wednesday was 23.1 feet. - Forecast...The river is expected to fall below flood stage late this afternoon and continue falling to 7.9 feet Saturday morning. - Flood stage is 20.0 feet. - Flood History...This crest compares to a previous crest of 23.2 feet on 01/22/1951. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. This warning will be in effect until the river falls below its flood stage. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at weather.gov/eka. The next statement will be issued this evening at 800 PM PST.


Wednesday, February 25, 2026

Weather Forecast

Sunny
61.2°F
48.4°F
53°F
81%
0 in
0%
0%
3.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 1.34 μg/m3
PM10: 1.58 μg/m3
Carbon Monoxide: 179.37 μg/m3
Nitrogen Dioxide: 5.08 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 47.28 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:25 AM
Sunset: 5:59 PM
Daylight: 11 hrs 7 mins
Moonrise: 11:33 AM
Moon Transit: 7:44 PM
Moonset: 2:51 AM
Moon Phase: First Quarter
Moon Illumination: 62.3%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
7:14 PM - 9:44 PM

Minor Periods

11:03 AM - 12:33 AM
2:21 AM - 3:51 AM

Action Rating: 2 out of 5

Thursday, February 26, 2026

Weather Forecast

Fog
57.6°F
35.6°F
45.4°F
85%
0 in
0%
0%
2.9 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 3.11 μg/m3
PM10: 4.37 μg/m3
Carbon Monoxide: 143.53 μg/m3
Nitrogen Dioxide: 3.97 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 69.36 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:25 AM
Sunset: 6:01 PM
Daylight: 11 hrs 10 mins
Moonrise: 12:40 AM
Moon Transit: 8:46 PM
Moonset: 3:54 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
8:16 PM - 10:46 PM

Minor Periods

12:10 AM - 1:40 PM
3:24 AM - 4:54 AM

Action Rating: 2 out of 5

Friday, February 27, 2026

Weather Forecast

Partly Cloudy
59.9°F
39.6°F
48.6°F
68%
0 in
0%
0%
2.2 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 2.23 μg/m3
PM10: 2.95 μg/m3
Carbon Monoxide: 144.85 μg/m3
Nitrogen Dioxide: 3.81 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 65.36 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:25 AM
Sunset: 6:02 PM
Daylight: 11 hrs 12 mins
Moonrise: 1:53 PM
Moon Transit: 9:45 PM
Moonset: 4:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

4:10 AM - 6:40 AM
9:15 PM - 11:45 PM

Minor Periods

1:23 PM - 2:53 PM
4:15 AM - 5:45 AM

Action Rating: 3 out of 5

Saturday, February 28, 2026

Weather Forecast

Heavy rain
52.5°F
38.5°F
48.3°F
86%
0.94 in
87%
0%
4.5 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 2.95 μg/m3
PM10: 3.17 μg/m3
Carbon Monoxide: 148.33 μg/m3
Nitrogen Dioxide: 3.92 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 54.04 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:24 AM
Sunset: 6:03 PM
Daylight: 11 hrs 15 mins
Moonrise: 3:09 PM
Moon Transit: 10:40 PM
Moonset: 5:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

5:08 AM - 7:38 AM
12:00 AM - 12:00 AM

Minor Periods

2:39 PM - 4:09 PM
4:56 AM - 6:26 AM

Action Rating: 3 out of 5

Sunday, March 1, 2026

Weather Forecast

Patchy rain nearby
60.3°F
35.9°F
46.6°F
87%
0.1 in
78%
0%
3.4 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 2.68 μg/m3
PM10: 2.91 μg/m3
Carbon Monoxide: 130.58 μg/m3
Nitrogen Dioxide: 3.02 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 59.31 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:24 AM
Sunset: 6:04 PM
Daylight: 11 hrs 18 mins
Moonrise: 4:24 PM
Moon Transit: 11:30 PM
Moonset: 5:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

6:01 AM - 8:31 AM
12:00 AM - 12:00 AM

Minor Periods

3:54 PM - 5:24 PM
5:28 AM - 6:58 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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