Water Temperature of Trinity River in Helena, CA

Current Water Temperature

60.6°F

Measurement Time: Wednesday, June 17, 2026, 4:45 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

72.7°F
Clear
Clear
64.4°F
76.4°F
47%
ESE 2.2 mph
4.2 mph
72.7°F
51°F
0 in
0%
6 mi
1011 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 101°F
L: 56°F
Sunny
Fri
H: 92°F
L: 52°F
Sunny
Sat
H: 89°F
L: 47°F
Sunny
Sun
H: 96°F
L: 49°F
Sunny
Mon
H: 100°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 7.7 μg/m3
PM10: 9.5 μg/m3
Carbon Monoxide: 108 μg/m3
Nitrogen Dioxide: 6.5 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:13 PM
Sunset: 8:47 PM
Daylight: 15 hrs 6 mins
Moonrise: 9:45 AM
Moon Transit: 5:00 PM
Moonset: 12:32 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:30 PM - 7:00 PM

Minor Periods

9:15 AM - 10:45 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Fire Weather Watch issued June 17 at 11:23AM PDT until June 19 at 7:00PM PDT by NWS Medford OR

Effective: Wed June 17, 2026, 11:23 AM
Expires: Wed June 17, 2026, 11:30 PM

The National Weather Service in Medford has issued a Fire Weather Watch, which is in effect from late Thursday night through Friday evening. * IMPACTS...Abundant lightning on dry fuels can create many fire starts. Any fires that develop could spread rapidly. Numerous new fire starts could overwhelm initial attack. * AFFECTED AREA...Fire weather zones 280,281,284 and 285 in California. The majority of Siskiyou and Modoc Counties. * THUNDERSTORMS...Moving north around 20 to 25 mph. Storm mode will be a mix of dry and wet thunderstorms. * OUTFLOW WINDS...Gusts up to 35 mph. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr

Follow all fire restrictions. Avoid activities that could cause sparks. Visit weather.gov/medford/wildfire for links to fire restrictions in your area. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning.
Thursday, June 18, 2026

Weather Forecast

Sunny
100.8°F
55.9°F
79.9°F
41%
0 in
1%
0%
8.5 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 8.07 μg/m3
PM10: 10.55 μg/m3
Carbon Monoxide: 110.92 μg/m3
Nitrogen Dioxide: 3.29 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:13 PM
Sunset: 8:47 PM
Daylight: 15 hrs 6 mins
Moonrise: 9:45 AM
Moon Transit: 5:00 PM
Moonset: 12:32 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:30 PM - 7:00 PM

Minor Periods

9:15 AM - 10:45 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Sunny
91.9°F
51.8°F
69.3°F
50%
0 in
17%
0%
7.8 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 5.63 μg/m3
PM10: 7.84 μg/m3
Carbon Monoxide: 102.79 μg/m3
Nitrogen Dioxide: 1.77 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 88.46 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:13 PM
Sunset: 8:47 PM
Daylight: 15 hrs 6 mins
Moonrise: 10:59 AM
Moon Transit: 5:49 PM
Moonset: 12:02 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

12:21 AM - 2:51 AM
5:19 PM - 7:49 PM

Minor Periods

10:29 AM - 11:59 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, June 20, 2026

Weather Forecast

Sunny
89.4°F
47°F
67.1°F
56%
0 in
2%
0%
8.5 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 5.25 μg/m3
PM10: 7.53 μg/m3
Carbon Monoxide: 98.46 μg/m3
Nitrogen Dioxide: 1.53 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 81.08 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
95.8°F
49.2°F
70.8°F
47%
0 in
1%
0%
7.2 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 5.63 μg/m3
PM10: 7.96 μg/m3
Carbon Monoxide: 102.74 μg/m3
Nitrogen Dioxide: 3.18 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 77.5 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
99.5°F
52.5°F
68.1°F
50%
0 in
2%
0%
9.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.57 μg/m3
PM10: 8.5 μg/m3
Carbon Monoxide: 127.83 μg/m3
Nitrogen Dioxide: 8.45 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 52.67 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

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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