Water Temperature of Trinity River in Helena, CA

Current Water Temperature

45.9°F

Measurement Time: Saturday, January 31, 2026, 10:45 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

43.3°F
Clear
Clear
42.2°F
52.3°F
87%
ESE 2.9 mph
6.1 mph
51.1°F
27.5°F
0 in
0%
9 mi
1021 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 60°F
L: 45°F
Sunny
Sun
H: 55°F
L: 33°F
Sunny
Mon
H: 61°F
L: 28°F
Sunny
Tue
H: 65°F
L: 44°F
Sunny
Wed
H: 72°F
L: 36°F

Air Quality

AQI: 1 - Good
PM2.5: 3.45 μg/m3
PM10: 4.35 μg/m3
Carbon Monoxide: 192.85 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 63 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:25 AM
Sunset: 5:29 PM
Daylight: 10 hrs 6 mins
Moonrise: 4:13 PM
Moon Transit: 11:57 PM
Moonset: 6:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

6:22 AM - 8:52 AM
12:00 AM - 12:00 AM

Minor Periods

3:43 PM - 5:13 PM
6:21 AM - 7:51 AM

Action Rating: 4 out of 5

Coastal Flood Advisory issued January 31 at 11:49AM PST until February 1 at 12:00PM PST by NWS Eureka CA

Effective: Sat January 31, 2026, 11:49 AM
Expires: Sat January 31, 2026, 8:00 PM

* WHAT...High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. Up to half foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Near 8.8 feet MLLW at the North Spit tide gauge is predicted. * WHERE...Northern Humboldt Coast County. * WHEN...From 9 AM to noon PST Sunday. High tide is at 10:42 AM at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide. * IMPACTS...Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon.

A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT.
Saturday, January 31, 2026

Weather Forecast

Sunny
60.1°F
45.1°F
51.5°F
36%
0 in
0%
0%
4.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.81 μg/m3
PM10: 5.04 μg/m3
Carbon Monoxide: 175.45 μg/m3
Nitrogen Dioxide: 4.14 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 67.68 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:25 AM
Sunset: 5:29 PM
Daylight: 10 hrs 6 mins
Moonrise: 4:13 PM
Moon Transit: 11:57 PM
Moonset: 6:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

6:22 AM - 8:52 AM
12:00 AM - 12:00 AM

Minor Periods

3:43 PM - 5:13 PM
6:21 AM - 7:51 AM

Action Rating: 4 out of 5

Sunday, February 1, 2026

Weather Forecast

Sunny
55.4°F
33.1°F
49.1°F
56%
0 in
0%
0%
4.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.72 μg/m3
PM10: 4.79 μg/m3
Carbon Monoxide: 178.05 μg/m3
Nitrogen Dioxide: 3.64 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 68.96 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:26 AM
Sunset: 5:30 PM
Daylight: 10 hrs 8 mins
Moonrise: 5:30 PM
Moon Transit: 12:00 AM
Moonset: 7:28 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:20 AM - 9:50 AM

Minor Periods

5:00 PM - 6:30 PM
6:58 AM - 8:28 AM

Action Rating: 5 out of 5

Monday, February 2, 2026

Weather Forecast

Sunny
61.2°F
28°F
44.2°F
65%
0 in
0%
0%
2.9 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.67 μg/m3
PM10: 4.69 μg/m3
Carbon Monoxide: 155.81 μg/m3
Nitrogen Dioxide: 3.19 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 67.84 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:26 AM
Sunset: 5:31 PM
Daylight: 10 hrs 10 mins
Moonrise: 6:45 PM
Moon Transit: 12:51 AM
Moonset: 7:59 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:21 AM - 2:51 AM
8:12 AM - 10:42 AM

Minor Periods

6:15 PM - 7:45 PM
7:29 AM - 8:59 AM

Action Rating: 4 out of 5

Tuesday, February 3, 2026

Weather Forecast

Sunny
65.1°F
43.9°F
51.9°F
49%
0 in
0%
0%
3.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.66 μg/m3
PM10: 3.05 μg/m3
Carbon Monoxide: 171.85 μg/m3
Nitrogen Dioxide: 4.49 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 60.92 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:26 AM
Sunset: 5:33 PM
Daylight: 10 hrs 12 mins
Moonrise: 7:55 PM
Moon Transit: 1:40 AM
Moonset: 8:24 AM
Moon Phase: Full
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
9:00 AM - 11:30 AM

Minor Periods

7:25 PM - 8:55 PM
7:54 AM - 9:24 AM

Action Rating: 3 out of 5

Wednesday, February 4, 2026

Weather Forecast

Sunny
71.6°F
36.3°F
48.8°F
47%
0 in
0%
0%
2.7 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 3.4 μg/m3
PM10: 3.9 μg/m3
Carbon Monoxide: 184.22 μg/m3
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 66.69 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:26 AM
Sunset: 5:34 PM
Daylight: 10 hrs 15 mins
Moonrise: 9:02 PM
Moon Transit: 2:26 AM
Moonset: 8:46 AM
Moon Phase: Full
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

1:56 AM - 4:26 AM
9:45 AM - 12:15 AM

Minor Periods

8:32 PM - 10:02 PM
8:16 AM - 9:46 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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