Water Temperature of Trinity River in Helena, CA

Current Water Temperature

43.7°F

Measurement Time: Wednesday, February 4, 2026, 9:45 PM 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

30.2°F
Partly cloudy
Partly cloudy
25.2°F
53.2°F
93%
ESE 4.7 mph
9.9 mph
52°F
13.6°F
0 in
50%
6 mi
1022 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 66°F
L: 39°F
Partly Cloudy
Fri
H: 62°F
L: 47°F
Partly Cloudy
Sat
H: 58°F
L: 37°F
Patchy rain nearby
Sun
H: 60°F
L: 35°F
Patchy rain nearby
Mon
H: 56°F
L: 26°F

Air Quality

AQI: 1 - Good
PM2.5: 6.45 μg/m3
PM10: 7.55 μg/m3
Carbon Monoxide: 142.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 106 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:26 AM
Sunset: 5:35 PM
Daylight: 10 hrs 17 mins
Moonrise: 10:07 PM
Moon Transit: 3:10 AM
Moonset: 9:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
10:28 AM - 12:58 AM

Minor Periods

9:37 PM - 11:07 PM
8:37 AM - 10:07 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued February 4 at 7:46PM PST until February 6 at 10:00PM PST by NWS Eureka CA

Effective: Wed February 4, 2026, 7:46 PM
Expires: Thu February 5, 2026, 4:00 AM

* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From Thursday evening through Friday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath.

Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean.


Beach Hazards Statement issued February 5 at 3:36AM PST until February 6 at 10:00PM PST by NWS Eureka CA

Effective: Thu February 5, 2026, 3:36 AM
Expires: Thu February 5, 2026, 11:45 AM

* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From this evening through Friday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath.

Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean.
Thursday, February 5, 2026

Weather Forecast

Sunny
65.7°F
39°F
56.5°F
32%
0 in
0%
0%
4.7 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 5.47 μg/m3
PM10: 6.15 μg/m3
Carbon Monoxide: 155.21 μg/m3
Nitrogen Dioxide: 4.19 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 72.68 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:26 AM
Sunset: 5:35 PM
Daylight: 10 hrs 17 mins
Moonrise: 10:07 PM
Moon Transit: 3:10 AM
Moonset: 9:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
10:28 AM - 12:58 AM

Minor Periods

9:37 PM - 11:07 PM
8:37 AM - 10:07 AM

Action Rating: 2 out of 5

Friday, February 6, 2026

Weather Forecast

Partly Cloudy
61.5°F
47.1°F
53°F
52%
0 in
0%
0%
5.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 7.05 μg/m3
PM10: 8.19 μg/m3
Carbon Monoxide: 164.33 μg/m3
Nitrogen Dioxide: 3.98 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 71.76 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:26 AM
Sunset: 5:36 PM
Daylight: 10 hrs 19 mins
Moonrise: 11:11 PM
Moon Transit: 3:52 AM
Moonset: 9:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
11:10 AM - 1:40 PM

Minor Periods

12:00 AM - 12:00 AM
8:58 AM - 10:28 AM

Action Rating: 2 out of 5

Saturday, February 7, 2026

Weather Forecast

Partly Cloudy
57.6°F
37.4°F
48.8°F
78%
0 in
0%
0%
4 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 10.52 μg/m3
PM10: 12.42 μg/m3
Carbon Monoxide: 195.77 μg/m3
Nitrogen Dioxide: 4.29 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 74.32 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:26 AM
Sunset: 5:38 PM
Daylight: 10 hrs 22 mins
Moonrise: 12:11 AM
Moon Transit: 4:34 AM
Moonset: 9:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

4:04 AM - 6:34 AM
11:53 AM - 2:23 PM

Minor Periods

9:20 AM - 10:50 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, February 8, 2026

Weather Forecast

Patchy rain nearby
60.4°F
35°F
45.1°F
80%
0.07 in
81%
0%
5.6 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 8.58 μg/m3
PM10: 11.71 μg/m3
Carbon Monoxide: 169 μg/m3
Nitrogen Dioxide: 3.68 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 76.24 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 12:26 AM
Sunset: 5:39 PM
Daylight: 10 hrs 24 mins
Moonrise: 12:15 AM
Moon Transit: 5:18 AM
Moonset: 10:15 AM
Moon Phase: Last Quarter
Moon Illumination: 52.5%

Best Times for Fishing or Hunting

Major Periods

4:48 AM - 7:18 AM
12:37 AM - 3:07 PM

Minor Periods

9:45 AM - 11:15 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, February 9, 2026

Weather Forecast

Patchy rain nearby
55.5°F
26°F
40.5°F
77%
0.06 in
74%
0%
4.9 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.51 μg/m3
PM10: 3.23 μg/m3
Carbon Monoxide: 140.6 μg/m3
Nitrogen Dioxide: 2.18 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 75.46 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:26 AM
Sunset: 5:40 PM
Daylight: 10 hrs 27 mins
Moonrise: 1:18 AM
Moon Transit: 6:04 AM
Moonset: 10:44 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
1:24 PM - 3:54 PM

Minor Periods

10:14 AM - 11:44 AM
12:48 AM - 2:18 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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