Water Temperature of the Trinity River in Lewiston, CA

Current Water Temperature

50.0°F

Measurement Time: Thursday, April 9, 2026, 5:45 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

52.3°F
Overcast
Overcast
53°F
51.2°F
100%
N 2.2 mph
3.3 mph
51.3°F
47°F
0 in
100%
9 mi
1013 mbar
0

Five Day Weather Forecast

Moderate rain
Fri
H: 60°F
L: 41°F
Heavy rain
Sat
H: 46°F
L: 43°F
Heavy rain
Sun
H: 44°F
L: 34°F
Patchy rain nearby
Mon
H: 53°F
L: 26°F
Mist
Tue
H: 60°F
L: 28°F

Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 4.05 μg/m3
Carbon Monoxide: 127.85 μg/m3
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 58 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:12 PM
Sunset: 7:46 PM
Daylight: 13 hrs 5 mins
Moonrise: 3:15 AM
Moon Transit: 7:47 AM
Moonset: 12:27 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
3:11 PM - 5:41 PM

Minor Periods

11:57 AM - 1:27 PM
2:45 AM - 4:15 AM

Action Rating: 2 out of 5

Severe Thunderstorm Warning issued April 9 at 5:22PM PDT until April 9 at 6:00PM PDT by NWS Sacramento CA

Effective: Thu April 9, 2026, 5:22 PM
Expires: Thu April 9, 2026, 6:00 PM

SVRSTO The National Weather Service in Sacramento has issued a * Severe Thunderstorm Warning for... North central Shasta County in northern California... * Until 600 PM PDT. * At 521 PM PDT, a severe thunderstorm was located over Hillcrest, or 23 miles southwest of Dana, moving north at 30 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Big Bend, Lake McCloud, Hillcrest, Montgomery Creek, and Round Mountain.

For your protection move to an interior room on the lowest floor of a building.


Winter Storm Warning issued April 9 at 11:46AM PDT until April 12 at 11:00PM PDT by NWS Sacramento CA

Effective: Thu April 9, 2026, 11:46 AM
Expires: Fri April 10, 2026, 5:15 PM

* WHAT...Heavy snow. Total snow accumulations 1 to 2 feet above 4500 feet, with up to 3 to 4 feet at the highest peaks. Minor snowfall accumulations of 2 to 4 inches down to 4000 feet. Winds could gust as high as 50 mph. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park above 4500 feet. * WHEN...From 5 PM Friday to 11 PM PDT Sunday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Friday evening commute and weekend mountain travel. * ADDITIONAL DETAILS...Snow levels generally remain above pass levels through Friday afternoon, dropping to around 6000-7000 ft Friday night-Saturday, then lowering to around 4000-5000 ft late Saturday into Sunday. Heaviest snow rates and lowest snow levels will be Saturday afternoon through Sunday.

Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1.
Friday, April 10, 2026

Weather Forecast

Moderate rain
59.9°F
41.1°F
51.3°F
86%
0.5 in
80%
0%
4 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 3.9 μg/m3
PM10: 4.15 μg/m3
Carbon Monoxide: 137.89 μg/m3
Nitrogen Dioxide: 3.38 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 68.56 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:12 PM
Sunset: 7:46 PM
Daylight: 13 hrs 5 mins
Moonrise: 3:15 AM
Moon Transit: 7:47 AM
Moonset: 12:27 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
3:11 PM - 5:41 PM

Minor Periods

11:57 AM - 1:27 PM
2:45 AM - 4:15 AM

Action Rating: 2 out of 5

Saturday, April 11, 2026

Weather Forecast

Heavy rain
46°F
42.8°F
45.5°F
96%
3.82 in
89%
0%
6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.38 μg/m3
PM10: 2.46 μg/m3
Carbon Monoxide: 148.05 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 60.92 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:12 PM
Sunset: 7:47 PM
Daylight: 13 hrs 8 mins
Moonrise: 3:48 AM
Moon Transit: 8:36 AM
Moonset: 1:32 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

8:06 AM - 10:36 AM
3:59 PM - 6:29 PM

Minor Periods

1:02 PM - 2:32 PM
3:18 AM - 4:48 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Heavy rain
44.2°F
33.8°F
41.4°F
96%
0.88 in
87%
0%
4.5 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 1.3 μg/m3
PM10: 1.34 μg/m3
Carbon Monoxide: 148.37 μg/m3
Nitrogen Dioxide: 2.97 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 84.8 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:11 PM
Sunset: 7:48 PM
Daylight: 13 hrs 11 mins
Moonrise: 4:16 AM
Moon Transit: 9:23 AM
Moonset: 2:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
4:45 PM - 7:15 PM

Minor Periods

2:10 PM - 3:40 PM
3:46 AM - 5:16 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Patchy rain nearby
53.3°F
26.1°F
39.7°F
87%
0.01 in
87%
0%
4 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 2.52 μg/m3
PM10: 2.63 μg/m3
Carbon Monoxide: 169.9 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 77.52 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

Mist
60.2°F
28.4°F
39.4°F
83%
0 in
0%
0%
3.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.39 μg/m3
PM10: 3.93 μg/m3
Carbon Monoxide: 165.13 μg/m3
Nitrogen Dioxide: 5.17 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 62.69 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

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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