Water Temperature of Trinity River in Helena, CA

Current Water Temperature

58.5°F

Measurement Time: Friday, June 19, 2026, 5:45 PM 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

58.9°F
Clear
Clear
50.5°F
58.9°F
83%
NW 2.2 mph
3 mph
59.6°F
53.8°F
0 in
1%
0 mi
1014 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 86°F
L: 51°F
Sunny
Sun
H: 92°F
L: 49°F
Sunny
Mon
H: 98°F
L: 54°F
Sunny
Tue
H: 96°F
L: 54°F
Sunny
Wed
H: 88°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 4.4 μg/m3
PM10: 5.8 μg/m3
Carbon Monoxide: 104 μg/m3
Nitrogen Dioxide: 3.3 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:14 PM
Sunset: 8:47 PM
Daylight: 15 hrs 7 mins
Moonrise: 12:09 AM
Moon Transit: 6:34 PM
Moonset: 12:27 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

1:08 AM - 3:38 AM
6:04 PM - 8:34 PM

Minor Periods

11:39 AM - 1:09 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Red Flag Warning issued June 19 at 6:16AM PDT until June 19 at 7:00PM PDT by NWS Sacramento CA

Effective: Fri June 19, 2026, 6:16 AM
Expires: Fri June 19, 2026, 7:00 PM

* Affected Area...Fire Zone 121 W. Shasta County Above 3000 ft, Fire Zone 122 W. Shasta County 1000-3000 ft, Fire Zone 123 Shasta Lake Area & 1-5 1000-3000 ft, Fire Zone 124 Shasta Metro, Fire Zone 125 Shasta County Foothills 1000-3000 ft, Fire Zone 126 E. Shasta /S. Cascades Above 3000 ft and Fire Zone 127 Burney Basin. * Thunderstorms...Wet and dry thunderstorms with abundant lightning. * Outflow Winds...Gusts up to 40 mph. * Impacts...Lightning from isolated dry thunderstorms or outside of the main precipitation core in wet thunderstorms can create new fire starts and may combine with strong outflow winds to cause a fire to rapidly grow. Confidence is low on exact coverage and wet vs dry, but latest forecast has increased thunderstorm potential overall. *

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Saturday, June 20, 2026

Weather Forecast

Sunny
86.2°F
51.1°F
67.2°F
64%
0 in
7%
0%
8.3 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 5.52 μg/m3
PM10: 7.75 μg/m3
Carbon Monoxide: 104 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 79.54 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:14 PM
Sunset: 8:47 PM
Daylight: 15 hrs 7 mins
Moonrise: 12:09 AM
Moon Transit: 6:34 PM
Moonset: 12:27 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

1:08 AM - 3:38 AM
6:04 PM - 8:34 PM

Minor Periods

11:39 AM - 1:09 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, June 21, 2026

Weather Forecast

Sunny
91.8°F
48.9°F
69.5°F
52%
0 in
2%
0%
7.8 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 5.7 μg/m3
PM10: 7.99 μg/m3
Carbon Monoxide: 99.58 μg/m3
Nitrogen Dioxide: 3.53 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 77.67 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:14 PM
Sunset: 8:48 PM
Daylight: 15 hrs 7 mins
Moonrise: 1:15 PM
Moon Transit: 7:17 PM
Moonset: 12:49 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
6:47 PM - 9:17 PM

Minor Periods

12:45 AM - 2:15 PM
12:19 AM - 1:49 AM

Action Rating: 3 out of 5

Monday, June 22, 2026

Weather Forecast

Sunny
98.2°F
53.5°F
73.9°F
41%
0 in
1%
0%
8.3 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 4.98 μg/m3
PM10: 6.58 μg/m3
Carbon Monoxide: 98.71 μg/m3
Nitrogen Dioxide: 3.57 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 87.29 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:14 PM
Sunset: 8:48 PM
Daylight: 15 hrs 6 mins
Moonrise: 2:19 PM
Moon Transit: 8:00 PM
Moonset: 1:10 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

2:36 AM - 5:06 AM
7:30 PM - 10:00 PM

Minor Periods

1:49 PM - 3:19 PM
12:40 AM - 2:10 AM

Action Rating: 2 out of 5

Tuesday, June 23, 2026

Weather Forecast

Sunny
96.3°F
53.9°F
73°F
43%
0 in
1%
0%
9.4 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 6.67 μg/m3
PM10: 8.51 μg/m3
Carbon Monoxide: 113.7 μg/m3
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 95.21 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:14 PM
Sunset: 8:48 PM
Daylight: 15 hrs 6 mins
Moonrise: 3:23 PM
Moon Transit: 8:42 PM
Moonset: 1:31 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

3:18 AM - 5:48 AM
8:12 PM - 10:42 PM

Minor Periods

2:53 PM - 4:23 PM
1:01 AM - 2:31 AM

Action Rating: 3 out of 5

Wednesday, June 24, 2026

Weather Forecast

Sunny
88°F
47°F
64.6°F
50%
0 in
2%
0%
9.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.9 μg/m3
PM10: 10.67 μg/m3
Carbon Monoxide: 158 μg/m3
Nitrogen Dioxide: 7.97 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 64.5 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:15 PM
Sunset: 8:48 PM
Daylight: 15 hrs 6 mins
Moonrise: 4:27 PM
Moon Transit: 9:26 PM
Moonset: 1:54 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

4:01 AM - 6:31 AM
8:56 PM - 11:26 PM

Minor Periods

3:57 PM - 5:27 PM
1:24 AM - 2:54 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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