Water Temperature of the Trinity River in Lewiston, CA

Current Water Temperature

48.0°F

Measurement Time: Tuesday, November 4, 2025, 10:45 AM PST

Temperature Locations

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Local Points of Interest

Lewiston Dam

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Trinity River

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

Elevation Above Sea Level: 1,860 feet / 567 meters

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

54.1°F
Overcast
Conditions: Overcast
Humidity: 94%
Feels Like: 53.8°F
Wind: E 3.8 mph
Wind Gusts: 4.4 mph
Pressure: 29.94 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Heavy rain
Tue
H: 58°F
L: 51°F
Heavy rain
Wed
H: 54°F
L: 44°F
Heavy rain
Thu
H: 52°F
L: 45°F
Moderate rain
Fri
H: 54°F
L: 41°F
Sunny
Sat
H: 73°F
L: 39°F

Air Quality

AQI: 1 - Good
PM2.5: 6.25 μg/m3
PM10: 6.45 μg/m3
Carbon Monoxide: 132.85 μg/m3
Nitrogen Dioxide: 5.75 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 11:54 AM
Sunset: 5:03 PM
Daylight: 10 hrs 18 mins
Moonrise: 4:20 PM
Moon Transit: 11:35 PM
Moonset: 5:45 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

6:05 AM - 8:35 AM
12:00 AM - 12:00 AM

Minor Periods

3:50 PM - 5:20 PM
5:15 AM - 6:45 AM

Action Rating: 5 out of 5

Flood Watch issued November 4 at 3:11AM PST until November 5 at 10:00AM PST by NWS Eureka CA

Effective: Tue November 4, 2025, 3:11 AM
Expires: Tue November 4, 2025, 11:15 AM

* WHAT...A strong Atmospheric River weather system will bring persistent moderate to heavy rainfall * WHERE...A portion of northwest California, including the following areas, Northeastern Mendocino Interior, Northern Lake, Southeastern Mendocino Interior, Southern Lake, Southern Trinity and Southwestern Mendocino Interior. * WHEN...From late tonight through Wednesday morning. * IMPACTS...There will be an increased risk of rock and land slides along roadways. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A strong Atmospheric River weather system will bring persistent moderate to heavy rainfall - 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.


Flood Watch issued November 4 at 11:48AM PST until November 5 at 10:00AM PST by NWS Eureka CA

Effective: Tue November 4, 2025, 11:48 AM
Expires: Tue November 4, 2025, 8:00 PM

* WHAT...A strong Atmospheric River weather system will bring widespread heavy rainfall * WHERE...A portion of northwest California, including the following areas, Northeastern Mendocino Interior, Northern Lake, Southeastern Mendocino Interior, Southern Lake, Southern Trinity and Southwestern Mendocino Interior. * WHEN...From late tonight through Wednesday morning. * IMPACTS...There will be an increased risk of rock and land slides along roadways. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A strong Atmospheric River weather system will bring widespread heavy rainfall - 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.


Wind Advisory issued November 4 at 1:33AM PST until November 5 at 4:00PM PST by NWS Sacramento CA

Effective: Tue November 4, 2025, 1:33 AM
Expires: Wed November 5, 2025, 4:15 AM

* WHAT...Southerly winds 15 to 25 mph with gusts 35 to 45 mph expected, and gusts of 45 to 55 mph in the Delta. * WHERE...Carquinez Strait and Delta, Sacramento Valley, and Northeast Foothills. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Gusty southerly winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds expected Wednesday morning.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued November 4 at 12:31PM PST until November 5 at 4:00PM PST by NWS Sacramento CA

Effective: Tue November 4, 2025, 12:31 PM
Expires: Wed November 5, 2025, 4:15 AM

* WHAT...Southerly winds 15 to 25 mph with gusts 35 to 45 mph expected, and gusts of 45 to 55 mph in the Delta. * WHERE...Carquinez Strait and Delta, Central Sacramento Valley, Northeast Foothills/Sacramento Valley, Northern Sacramento Valley, and Southern Sacramento Valley. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Gusty southerly winds will blow around unsecured objects. Tree limbs could be blown down and local power outages may result. * ADDITIONAL DETAILS...Strongest winds expected Wednesday morning.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Tuesday, November 4, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 53.6°F
Average Humidity: 90%
Chance of Rain: 88%
Wind: 5.1 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 2.78 μg/m3
PM10: 2.93 μg/m3
Carbon Monoxide: 137.25 μg/m3
Nitrogen Dioxide: 4.81 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 63.76 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 11:54 AM
Sunset: 5:03 PM
Daylight: 10 hrs 18 mins
Moonrise: 4:20 PM
Moon Transit: 11:35 PM
Moonset: 5:45 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

6:05 AM - 8:35 AM
12:00 AM - 12:00 AM

Minor Periods

3:50 PM - 5:20 PM
5:15 AM - 6:45 AM

Action Rating: 5 out of 5

Wednesday, November 5, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 51.5°F
Average Humidity: 91%
Chance of Rain: 88%
Wind: 7.2 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 4.01 μg/m3
PM10: 4.24 μg/m3
Carbon Monoxide: 131.85 μg/m3
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 60.64 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 11:54 AM
Sunset: 5:02 PM
Daylight: 10 hrs 15 mins
Moonrise: 4:55 PM
Moon Transit: 12:00 AM
Moonset: 7:07 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:02 AM - 9:32 AM

Minor Periods

4:25 PM - 5:55 PM
6:37 AM - 8:07 AM

Action Rating: 5 out of 5

Thursday, November 6, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 50.3°F
Average Humidity: 96%
Chance of Rain: 85%
Wind: 2.9 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 3.56 μg/m3
PM10: 4.89 μg/m3
Carbon Monoxide: 153.77 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 82.52 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 11:54 AM
Sunset: 5:01 PM
Daylight: 10 hrs 13 mins
Moonrise: 5:40 PM
Moon Transit: 12:36 AM
Moonset: 8:31 AM
Moon Phase: Full
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:06 AM - 2:36 AM
8:04 AM - 10:34 AM

Minor Periods

5:10 PM - 6:40 PM
8:01 AM - 9:31 AM

Action Rating: 4 out of 5

Friday, November 7, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 50.3°F
Average Humidity: 90%
Chance of Rain: 89%
Wind: 3.4 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 4.59 μg/m3
PM10: 5.9 μg/m3
Carbon Monoxide: 141.89 μg/m3
Nitrogen Dioxide: 4.68 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 66.32 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 11:54 AM
Sunset: 5:00 PM
Daylight: 10 hrs 11 mins
Moonrise: 6:37 PM
Moon Transit: 1:40 AM
Moonset: 9:49 AM
Moon Phase: Full
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
9:09 AM - 11:39 AM

Minor Periods

6:07 PM - 7:37 PM
9:19 AM - 10:49 AM

Action Rating: 3 out of 5

Saturday, November 8, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 51.7°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 4 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 5.17 μg/m3
PM10: 5.76 μg/m3
Carbon Monoxide: 168.7 μg/m3
Nitrogen Dioxide: 7.21 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 58.69 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 11:55 AM
Sunset: 4:59 PM
Daylight: 10 hrs 9 mins
Moonrise: 7:43 PM
Moon Transit: 2:47 AM
Moonset: 10:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

2:17 AM - 4:47 AM
10:15 AM - 12:45 AM

Minor Periods

7:13 PM - 8:43 PM
10:28 AM - 11:58 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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