Water Temperature of the Trinity River in Lewiston, CA

Current Water Temperature

48.7°F

Measurement Time: Sunday, April 12, 2026, 9:00 PM PDT

Temperature Locations

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Local Points of Interest

Lewiston Dam

Trinity River

Station Name: TRINITY R A LEWISTON CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,860 feet

Nearest Address:
165 Trinity River Hatchery Rd
Lewiston, CA 96052
Trinity County

GPS Coordinates: 40.7247222, -122.801111

Nearby Water Temperatures

Trinity River, Douglas City, CA (9.8 mi)
Trinity River, Helena, CA (16.7 mi)
Trinity River, Hoopa, CA (50.8 mi)
Klamath River, Orleans, CA (55.3 mi)
Mill Creek, Los Milinos, CA (61.8 mi)
Deer Creek, Vina, CA (66.5 mi)
Hat Creek, Old Station, CA (72.2 mi)
Humboldt Bay, Eureka, CA (74.2 mi)
Elder Creek, Branscomb, CA (81.9 mi)
Klamath River, Klamath, CA (81.9 mi)
Pacific Ocean, Manila, CA (82.2 mi)
Butte Creek, Chico, CA (89.9 mi)
Pacific Ocean, Eureka, CA (90.4 mi)
Crescent Harbor, Crescent City, CA (100.7 mi)
Klamath River, Keno, OR (101.2 mi)

Weather for Lewiston, California

Current Weather

43°F
Overcast
Overcast
42.7°F
39°F
93%
W 2.2 mph
6.7 mph
38.8°F
34.1°F
0 in
100%
9 mi
1018 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 57°F
L: 31°F
Partly Cloudy
Tue
H: 57°F
L: 34°F
Patchy rain nearby
Wed
H: 47°F
L: 34°F
Sunny
Thu
H: 57°F
L: 21°F
Sunny
Fri
H: 65°F
L: 26°F

Air Quality

AQI: 1 - Good
PM2.5: 1.45 μg/m3
PM10: 1.55 μg/m3
Carbon Monoxide: 163.85 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 92 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:11 PM
Sunset: 7:49 PM
Daylight: 13 hrs 13 mins
Moonrise: 4:41 AM
Moon Transit: 10:09 AM
Moonset: 3:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

5:31 PM - 8:01 PM
9:39 AM - 12:09 AM

Minor Periods

3:19 PM - 4:49 PM
4:11 AM - 5:41 AM

Action Rating: 3 out of 5

Winter Weather Advisory issued April 12 at 8:16AM PDT until April 12 at 11:00PM PDT by NWS Eureka CA

Effective: Sun April 12, 2026, 8:16 AM
Expires: Sun April 12, 2026, 11:00 PM

* WHAT...Snow expected. Total snow accumulations up to 8 inches. * WHERE...Northern Trinity above 5000 feet. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Travel could be difficult over Highway 3 at Scott Mountain Pass.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.


Winter Storm Warning issued April 12 at 10:50AM PDT until April 12 at 11:00PM PDT by NWS Sacramento CA

Effective: Sun April 12, 2026, 10:50 AM
Expires: Sun April 12, 2026, 11:00 PM

* WHAT...Heavy snow. Additional snow accumulations 6 to 12 inches above 4500 feet, with up to 18 inches at the highest peaks. Minor snowfall accumulations up to 1 to 3 inches down to 4000 feet. Winds gusting as high as 40 mph. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park above 4500 feet. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snow levels 4000-5000 feet, locally down to around 3500 feet in heavier convective showers. Heaviest snowfall expected through this evening, with snowfall rates up to 1+ inch per hour.

Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1.
Monday, April 13, 2026

Weather Forecast

Sunny
57°F
30.9°F
45.7°F
75%
0 in
0%
0%
3.6 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 2.16 μg/m3
PM10: 2.24 μg/m3
Carbon Monoxide: 179.01 μg/m3
Nitrogen Dioxide: 4.15 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 75.84 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:11 PM
Sunset: 7:49 PM
Daylight: 13 hrs 13 mins
Moonrise: 4:41 AM
Moon Transit: 10:09 AM
Moonset: 3:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

5:31 PM - 8:01 PM
9:39 AM - 12:09 AM

Minor Periods

3:19 PM - 4:49 PM
4:11 AM - 5:41 AM

Action Rating: 3 out of 5

Tuesday, April 14, 2026

Weather Forecast

Partly Cloudy
57.2°F
34°F
44.7°F
75%
0 in
0%
0%
3.8 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 4.41 μg/m3
PM10: 5.73 μg/m3
Carbon Monoxide: 155.01 μg/m3
Nitrogen Dioxide: 3.57 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 79.04 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:11 PM
Sunset: 7:50 PM
Daylight: 13 hrs 16 mins
Moonrise: 5:03 AM
Moon Transit: 10:55 AM
Moonset: 4:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

6:17 PM - 8:47 PM
10:25 AM - 12:55 AM

Minor Periods

4:29 PM - 5:59 PM
4:33 AM - 6:03 AM

Action Rating: 2 out of 5

Wednesday, April 15, 2026

Weather Forecast

Patchy rain nearby
47.1°F
34.4°F
41°F
83%
0.17 in
88%
0%
5.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 4.2 μg/m3
PM10: 6.55 μg/m3
Carbon Monoxide: 154.41 μg/m3
Nitrogen Dioxide: 3.74 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 81.48 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:11 PM
Sunset: 7:51 PM
Daylight: 13 hrs 18 mins
Moonrise: 5:26 AM
Moon Transit: 8:33 AM
Moonset: 6:11 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

5:41 PM - 7:11 PM
4:56 AM - 6:26 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Sunny
56.8°F
21.4°F
37.9°F
66%
0 in
0%
0%
5.6 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 1.91 μg/m3
PM10: 2.36 μg/m3
Carbon Monoxide: 154.61 μg/m3
Nitrogen Dioxide: 1.82 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 95.12 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:10 PM
Sunset: 7:52 PM
Daylight: 13 hrs 21 mins
Moonrise: 5:50 AM
Moon Transit: 12:30 AM
Moonset: 7:25 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

7:54 PM - 10:24 PM
12:00 AM - 2:30 PM

Minor Periods

6:55 PM - 8:25 PM
5:20 AM - 6:50 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Sunny
64.8°F
25.8°F
39°F
58%
0 in
0%
0%
3.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.03 μg/m3
PM10: 4.11 μg/m3
Carbon Monoxide: 167.5 μg/m3
Nitrogen Dioxide: 4.13 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 90.54 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:10 PM
Sunset: 7:53 PM
Daylight: 13 hrs 24 mins
Moonrise: 6:17 AM
Moon Transit: 1:23 PM
Moonset: 8:45 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

8:48 PM - 11:18 PM
12:53 AM - 3:23 PM

Minor Periods

8:15 PM - 9:45 PM
5:47 AM - 7:17 AM

Action Rating: 4 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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