Water Temperature of Trinity River in Helena, CA

Current Water Temperature

51.3°F

Measurement Time: Wednesday, April 1, 2026, 1:45 AM PDT

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

48.6°F
Patchy rain nearby
Patchy rain nearby
48.6°F
48.6°F
80%
S 3.4 mph
4 mph
48.6°F
43.2°F
0.02 in
82%
6 mi
1009 mbar
0.1

Five Day Weather Forecast

Heavy rain
Wed
H: 51°F
L: 36°F
Patchy rain nearby
Thu
H: 46°F
L: 27°F
Sunny
Fri
H: 67°F
L: 29°F
Sunny
Sat
H: 76°F
L: 43°F
Sunny
Sun
H: 78°F
L: 38°F

Air Quality

AQI: 1 - Good
PM2.5: 0.95 μg/m3
PM10: 0.95 μg/m3
Carbon Monoxide: 130.85 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:16 PM
Sunset: 7:37 PM
Daylight: 12 hrs 42 mins
Moonrise: 7:39 PM
Moon Transit: 12:39 AM
Moonset: 6:34 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:09 AM - 2:39 AM
7:58 AM - 10:28 AM

Minor Periods

7:09 PM - 8:39 PM
6:04 AM - 7:34 AM

Action Rating: 4 out of 5

Winter Weather Advisory issued March 31 at 11:17PM PDT until April 2 at 11:00AM PDT by NWS Eureka CA

Effective: Tue March 31, 2026, 11:17 PM
Expires: Wed April 1, 2026, 7:30 AM

* WHAT...Snow expected. Total snow accumulations between 4 to 6 inches. Winds gusting as high as 35 mph. * WHERE...Northern Trinity County for elevations above 4000 feet. * WHEN...From 8 PM Wednesday to 11 AM PDT Thursday. * IMPACTS...Highway 3 at Scott Mountain Pass will likely become slick and hazardous. Plan on slippery, icy road conditions.

Slow down and use caution while traveling. Be prepared for slippery roads. Slow down and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Wednesday, April 1, 2026

Weather Forecast

Heavy rain
50.7°F
36.3°F
46.9°F
82%
0.81 in
89%
0%
7.2 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 4.57 μg/m3
PM10: 6.15 μg/m3
Carbon Monoxide: 130.97 μg/m3
Nitrogen Dioxide: 2.42 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 79.84 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:16 PM
Sunset: 7:37 PM
Daylight: 12 hrs 42 mins
Moonrise: 7:39 PM
Moon Transit: 12:39 AM
Moonset: 6:34 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:09 AM - 2:39 AM
7:58 AM - 10:28 AM

Minor Periods

7:09 PM - 8:39 PM
6:04 AM - 7:34 AM

Action Rating: 4 out of 5

Thursday, April 2, 2026

Weather Forecast

Patchy rain nearby
45.5°F
26.5°F
38.2°F
81%
0.14 in
80%
0%
5.6 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 1.53 μg/m3
PM10: 1.9 μg/m3
Carbon Monoxide: 151.33 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 90.24 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:15 PM
Sunset: 7:38 PM
Daylight: 12 hrs 44 mins
Moonrise: 8:44 PM
Moon Transit: 1:22 AM
Moonset: 6:55 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:52 AM - 3:22 AM
8:40 AM - 11:10 AM

Minor Periods

8:14 PM - 9:44 PM
6:25 AM - 7:55 AM

Action Rating: 4 out of 5

Friday, April 3, 2026

Weather Forecast

Sunny
66.9°F
29.3°F
49.7°F
49%
0 in
0%
0%
4.9 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 2.2 μg/m3
PM10: 2.94 μg/m3
Carbon Monoxide: 153.65 μg/m3
Nitrogen Dioxide: 3.11 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 84.44 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:15 PM
Sunset: 7:39 PM
Daylight: 12 hrs 47 mins
Moonrise: 9:49 PM
Moon Transit: 2:05 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
9:24 AM - 11:54 AM

Minor Periods

9:19 PM - 10:49 PM
6:47 AM - 8:17 AM

Action Rating: 4 out of 5

Saturday, April 4, 2026

Weather Forecast

Sunny
76.4°F
42.9°F
56.5°F
37%
0 in
0%
0%
4 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 2.19 μg/m3
PM10: 3.11 μg/m3
Carbon Monoxide: 143.19 μg/m3
Nitrogen Dioxide: 3.91 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:15 PM
Sunset: 7:40 PM
Daylight: 12 hrs 50 mins
Moonrise: 10:54 PM
Moon Transit: 2:49 AM
Moonset: 7:43 AM
Moon Phase: Full
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

2:19 AM - 4:49 AM
10:09 AM - 12:39 AM

Minor Periods

10:24 PM - 11:54 PM
7:13 AM - 8:43 AM

Action Rating: 4 out of 5

Sunday, April 5, 2026

Weather Forecast

Sunny
77.8°F
38.2°F
54.9°F
43%
0 in
0%
0%
4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.27 μg/m3
PM10: 2.85 μg/m3
Carbon Monoxide: 170.98 μg/m3
Nitrogen Dioxide: 6.04 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 76.31 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:15 PM
Sunset: 7:42 PM
Daylight: 12 hrs 52 mins
Moonrise: 11:57 PM
Moon Transit: 3:36 AM
Moonset: 8:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.9%

Best Times for Fishing or Hunting

Major Periods

3:06 AM - 5:36 AM
10:56 AM - 1:26 PM

Minor Periods

12:00 AM - 12:00 AM
7:44 AM - 9:14 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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