Water Temperature of Trinity River in Helena, CA

Current Water Temperature

64.9°F

Measurement Time: Monday, July 27, 2026, 7:45 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

60.3°F
Clear
Clear
60.3°F
59.4°F
51%
WNW 2.9 mph
6.1 mph
59.4°F
42.9°F
0 in
0%
10 mi
946 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 90°F
L: 48°F
Sunny
Wed
H: 92°F
L: 44°F
Sunny
Thu
H: 96°F
L: 45°F
Sunny
Fri
H: 103°F
L: 49°F
Sunny
Sat
H: 99°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 4.8 μg/m3
PM10: 6.7 μg/m3
Carbon Monoxide: 87 μg/m3
Nitrogen Dioxide: 2.9 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 54 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:19 PM
Sunset: 8:32 PM
Daylight: 14 hrs 27 mins
Moonrise: 8:24 PM
Moon Transit: 12:20 AM
Moonset: 4:56 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:41 AM - 10:11 AM

Minor Periods

7:54 PM - 9:24 PM
4:26 AM - 5:56 AM

Action Rating: 4 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
90°F
47.6°F
69.9°F
43%
0 in
1%
0%
8.9 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 4.18 μg/m3
PM10: 5.83 μg/m3
Carbon Monoxide: 87.83 μg/m3
Nitrogen Dioxide: 1.38 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 68.29 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:19 PM
Sunset: 8:32 PM
Daylight: 14 hrs 27 mins
Moonrise: 8:24 PM
Moon Transit: 12:20 AM
Moonset: 4:56 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:41 AM - 10:11 AM

Minor Periods

7:54 PM - 9:24 PM
4:26 AM - 5:56 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
92.3°F
43.7°F
66.3°F
55%
0 in
2%
0%
8.7 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 4.48 μg/m3
PM10: 6.25 μg/m3
Carbon Monoxide: 88.21 μg/m3
Nitrogen Dioxide: 1.43 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 59.25 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:18 PM
Sunset: 8:31 PM
Daylight: 14 hrs 25 mins
Moonrise: 8:53 PM
Moon Transit: 1:08 AM
Moonset: 6:00 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
8:28 AM - 10:58 AM

Minor Periods

8:23 PM - 9:53 PM
5:30 AM - 7:00 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
95.9°F
45.1°F
68.6°F
46%
0 in
1%
0%
9.4 mph
10.4


Air Quality

AQI: 1 - Good
PM2.5: 5.86 μg/m3
PM10: 8.16 μg/m3
Carbon Monoxide: 87.83 μg/m3
Nitrogen Dioxide: 1.89 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 70.21 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:18 PM
Sunset: 8:30 PM
Daylight: 14 hrs 23 mins
Moonrise: 9:17 PM
Moon Transit: 1:55 AM
Moonset: 7:05 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:25 AM - 3:55 AM
9:14 AM - 11:44 AM

Minor Periods

8:47 PM - 10:17 PM
6:35 AM - 8:05 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
102.6°F
49°F
73°F
39%
0 in
1%
0%
8.5 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 6.42 μg/m3
PM10: 8.88 μg/m3
Carbon Monoxide: 98.36 μg/m3
Nitrogen Dioxide: 3.68 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 76.42 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:18 PM
Sunset: 8:29 PM
Daylight: 14 hrs 21 mins
Moonrise: 9:40 PM
Moon Transit: 2:39 AM
Moonset: 8:11 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
9:58 AM - 12:28 AM

Minor Periods

9:10 PM - 10:40 PM
7:41 AM - 9:11 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
98.6°F
46.9°F
71.4°F
41%
0 in
1%
0%
8.9 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 5.13 μg/m3
PM10: 6.63 μg/m3
Carbon Monoxide: 116.83 μg/m3
Nitrogen Dioxide: 7.85 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 31.67 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:18 PM
Sunset: 8:28 PM
Daylight: 14 hrs 19 mins
Moonrise: 10:01 PM
Moon Transit: 3:22 AM
Moonset: 9:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:52 AM - 5:22 AM
10:41 AM - 1:11 PM

Minor Periods

9:31 PM - 11:01 PM
8:46 AM - 10:16 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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