Water Temperature of Trinity River in Helena, CA

Current Water Temperature

46.2°F

Measurement Time: Sunday, February 15, 2026, 12:45 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

45.1°F
Partly cloudy
Partly cloudy
42.9°F
44.7°F
93%
E 4.5 mph
5.1 mph
40.3°F
38.8°F
0.01 in
75%
6 mi
1013 mbar
0.1

Five Day Weather Forecast

Moderate rain
Sun
H: 49°F
L: 35°F
Patchy rain nearby
Mon
H: 42°F
L: 30°F
Moderate or heavy snow in area with thunder
Tue
H: 35°F
L: 22°F
Heavy snow
Wed
H: 36°F
L: 21°F
Light snow showers
Thu
H: 36°F
L: 18°F

Air Quality

AQI: 1 - Good
PM2.5: 0.85 μg/m3
PM10: 0.85 μg/m3
Carbon Monoxide: 155.85 μg/m3
Nitrogen Dioxide: 4.15 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:26 AM
Sunset: 5:47 PM
Daylight: 10 hrs 41 mins
Moonrise: 6:23 AM
Moon Transit: 11:08 AM
Moonset: 4:03 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

6:30 PM - 9:00 PM
10:38 AM - 1:08 PM

Minor Periods

3:33 PM - 5:03 PM
5:53 AM - 7:23 AM

Action Rating: 3 out of 5

Winter Storm Warning issued February 14 at 11:34PM PST until February 18 at 4:00PM PST by NWS Eureka CA

Effective: Sat February 14, 2026, 11:34 PM
Expires: Sun February 15, 2026, 7:45 AM

* WHAT...Heavy snow expected for elevations above 5000 feet through Monday, then above 2000 feet Monday night. Total snow accumulation between 6 to 10 inches possible above 2000 feet. Total snow accumulations between 1 and 2.5 feet possible for elevations above 3000 feet. Winds gusting as high as 35 mph. * WHERE...Trinity County. * WHEN...From 7 AM Sunday to 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. Tire chains may be necessary if travelling through mountain passes.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.


Winter Storm Warning issued February 14 at 11:34PM PST until February 18 at 4:00PM PST by NWS Eureka CA

Effective: Sat February 14, 2026, 11:34 PM
Expires: Sun February 15, 2026, 7:45 AM

* WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches. Winds gusting as high as 50 mph. * WHERE...Southwestern Humboldt. * WHEN...From 10 PM Monday to 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult. Gusty winds could bring down tree branches and cause power outages. * ADDITIONAL DETAILS...This may impact Mattole Road and Shelter Cove road among other roads above 2,000 feet.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.


Winter Storm Warning issued February 14 at 11:34PM PST until February 18 at 4:00PM PST by NWS Eureka CA

Effective: Sat February 14, 2026, 11:34 PM
Expires: Sun February 15, 2026, 7:45 AM

* WHAT...Heavy snow expected for elevations above 2000 feet. Total snow accumulations between 6 and 15 inches. Winds gusting as high as 40 mph. * WHERE...Humboldt Interior, and Del Norte Interior. * WHEN...From 7 PM Monday to 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. Tire chains may be necessary if travelling through mountain passes. Road closures are possible.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Sunday, February 15, 2026

Weather Forecast

Moderate rain
49.1°F
34.7°F
44.3°F
82%
0.65 in
86%
0%
4.9 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.6 μg/m3
PM10: 3.97 μg/m3
Carbon Monoxide: 157.25 μg/m3
Nitrogen Dioxide: 4.81 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 61.6 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:26 AM
Sunset: 5:47 PM
Daylight: 10 hrs 41 mins
Moonrise: 6:23 AM
Moon Transit: 11:08 AM
Moonset: 4:03 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

6:30 PM - 9:00 PM
10:38 AM - 1:08 PM

Minor Periods

3:33 PM - 5:03 PM
5:53 AM - 7:23 AM

Action Rating: 3 out of 5

Monday, February 16, 2026

Weather Forecast

Patchy rain nearby
41.5°F
29.8°F
38°F
95%
0.06 in
61%
3%
7.4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 1.31 μg/m3
PM10: 1.44 μg/m3
Carbon Monoxide: 156.05 μg/m3
Nitrogen Dioxide: 3.33 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 69.8 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:26 AM
Sunset: 5:49 PM
Daylight: 10 hrs 44 mins
Moonrise: 6:52 AM
Moon Transit: 11:57 AM
Moonset: 5:12 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:17 PM - 9:47 PM
11:27 AM - 1:57 PM

Minor Periods

4:42 PM - 6:12 PM
6:22 AM - 7:52 AM

Action Rating: 4 out of 5

Tuesday, February 17, 2026

Weather Forecast

Moderate or heavy snow in area with thunder
35.4°F
21.6°F
31.2°F
94%
3.11 in
86%
23%
7.2 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 1.44 μg/m3
PM10: 1.75 μg/m3
Carbon Monoxide: 144.97 μg/m3
Nitrogen Dioxide: 1.28 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 94.4 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:26 AM
Sunset: 5:50 PM
Daylight: 10 hrs 46 mins
Moonrise: 7:16 AM
Moon Transit: 12:43 AM
Moonset: 6:22 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:03 PM - 10:33 PM
12:13 AM - 2:43 PM

Minor Periods

5:52 PM - 7:22 PM
6:46 AM - 8:16 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Heavy snow
35.7°F
21.4°F
28.9°F
95%
1.36 in
76%
51%
3.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 1.93 μg/m3
PM10: 2.5 μg/m3
Carbon Monoxide: 154.22 μg/m3
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 91.92 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:26 AM
Sunset: 5:51 PM
Daylight: 10 hrs 49 mins
Moonrise: 7:39 AM
Moon Transit: 1:29 PM
Moonset: 7:31 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:59 AM - 3:29 PM

Minor Periods

7:01 PM - 8:31 PM
7:09 AM - 8:39 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Light snow showers
35.8°F
17.9°F
27.5°F
97%
0.08 in
87%
36%
5.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.82 μg/m3
PM10: 3.83 μg/m3
Carbon Monoxide: 162.93 μg/m3
Nitrogen Dioxide: 2.74 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 93.08 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 12:26 AM
Sunset: 5:52 PM
Daylight: 10 hrs 51 mins
Moonrise: 8:02 AM
Moon Transit: 1:07 PM
Moonset: 8:41 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

12:37 AM - 3:07 PM
12:37 AM - 3:07 PM

Minor Periods

8:11 PM - 9:41 PM
7:32 AM - 9:02 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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