Water Temperature of the Trinity River in Lewiston, CA

Current Water Temperature

45.9°F

Measurement Time: Sunday, January 4, 2026, 1:15 PM PST

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

41.5°F
Overcast
Overcast
41.1°F
39.4°F
100%
NNW 2.2 mph
6.7 mph
39.3°F
36.4°F
0 in
100%
6 mi
1019 mbar
0

Five Day Weather Forecast

Partly Cloudy
Tue
H: 51°F
L: 35°F
Patchy rain nearby
Wed
H: 42°F
L: 33°F
Partly Cloudy
Thu
H: 44°F
L: 20°F
Sunny
Fri
H: 48°F
L: 19°F
Sunny
Sat
H: 53°F
L: 24°F

Air Quality

AQI: 1 - Good
PM2.5: 2.15 μg/m3
PM10: 2.75 μg/m3
Carbon Monoxide: 169.85 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:17 AM
Sunset: 4:59 PM
Daylight: 9 hrs 24 mins
Moonrise: 9:07 PM
Moon Transit: 3:04 AM
Moonset: 9:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

2:34 AM - 5:04 AM
10:27 AM - 12:57 AM

Minor Periods

8:37 PM - 10:07 PM
9:29 AM - 10:59 AM

Action Rating: 2 out of 5

Flood Watch issued January 4 at 9:31AM PST until January 5 at 10:00PM PST by NWS Eureka CA

Effective: Sun January 4, 2026, 9:31 AM
Expires: Mon January 5, 2026, 10:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northwest California, including the following areas, Humboldt County, Mendocino County, Lake County, and Southern Trinity * WHEN...Through Monday evening. * IMPACTS...There will be an increased risk of rock and land slides along roadways. Excessive runoff may result in flooding of creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Additional rounds of rainfall Sunday into Monday will promote small stream flooding. Some breaks in the precipitation are possible, but will be brief and not allow for much chance for basins to drain. Additional rainfall of 1-4 inches through Monday is forecast. - This may include Hwy 1 near the Garcia river, north of Point Arena. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Tuesday, January 6, 2026

Weather Forecast

Partly Cloudy
51.3°F
34.5°F
42.4°F
90%
0 in
0%
0%
2.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.45 μg/m3
PM10: 1.57 μg/m3
Carbon Monoxide: 161.97 μg/m3
Nitrogen Dioxide: 3.23 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 75.16 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:17 AM
Sunset: 4:59 PM
Daylight: 9 hrs 24 mins
Moonrise: 9:07 PM
Moon Transit: 3:04 AM
Moonset: 9:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

2:34 AM - 5:04 AM
10:27 AM - 12:57 AM

Minor Periods

8:37 PM - 10:07 PM
9:29 AM - 10:59 AM

Action Rating: 2 out of 5

Wednesday, January 7, 2026

Weather Forecast

Patchy rain nearby
42°F
33.2°F
40.7°F
92%
0.16 in
85%
0%
4.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.18 μg/m3
PM10: 2.41 μg/m3
Carbon Monoxide: 175.05 μg/m3
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 66.56 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:17 AM
Sunset: 5:00 PM
Daylight: 9 hrs 25 mins
Moonrise: 10:15 PM
Moon Transit: 3:51 AM
Moonset: 10:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

3:21 AM - 5:51 AM
11:12 AM - 1:42 PM

Minor Periods

9:45 PM - 11:15 PM
9:53 AM - 11:23 AM

Action Rating: 2 out of 5

Thursday, January 8, 2026

Weather Forecast

Partly Cloudy
43.9°F
19.8°F
33.7°F
84%
0 in
0%
0%
6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.86 μg/m3
PM10: 2.4 μg/m3
Carbon Monoxide: 149.97 μg/m3
Nitrogen Dioxide: 1.68 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 81.6 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:18 AM
Sunset: 5:01 PM
Daylight: 9 hrs 26 mins
Moonrise: 11:18 PM
Moon Transit: 4:34 AM
Moonset: 10:44 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

4:04 AM - 6:34 AM
11:55 AM - 2:25 PM

Minor Periods

12:00 AM - 12:00 AM
10:14 AM - 11:44 AM

Action Rating: 2 out of 5

Friday, January 9, 2026

Weather Forecast

Sunny
47.6°F
19.3°F
31°F
87%
0 in
0%
0%
3.6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.01 μg/m3
PM10: 3.71 μg/m3
Carbon Monoxide: 185.73 μg/m3
Nitrogen Dioxide: 5.53 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 67.36 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:18 AM
Sunset: 5:02 PM
Daylight: 9 hrs 28 mins
Moonrise: 12:18 AM
Moon Transit: 5:16 AM
Moonset: 11:04 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

4:46 AM - 7:16 AM
12:37 AM - 3:07 PM

Minor Periods

10:34 AM - 12:04 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, January 10, 2026

Weather Forecast

Sunny
53.1°F
24.3°F
32.5°F
81%
0 in
0%
0%
3.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.66 μg/m3
PM10: 4.67 μg/m3
Carbon Monoxide: 195.62 μg/m3
Nitrogen Dioxide: 5.12 μg/m3
Sulphur Dioxide: 2.18 μg/m3
Ozone: 77.85 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:18 AM
Sunset: 5:03 PM
Daylight: 9 hrs 29 mins
Moonrise: 12:22 AM
Moon Transit: 5:57 AM
Moonset: 11:24 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:27 AM - 7:57 AM
1:18 PM - 3:48 PM

Minor Periods

10:54 AM - 12:24 AM
12:00 AM - 12:00 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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