Water Temperature of the Trinity River in Lewiston, CA

Current Water Temperature

47.5°F

Measurement Time: Tuesday, November 25, 2025, 4:15 PM 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

41.4°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 93%
Feels Like: 40.9°F
Wind: W 2.2 mph
Wind Gusts: 4.2 mph
Pressure: 30.26 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 8 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 64°F
L: 39°F
Partly Cloudy
Thu
H: 61°F
L: 44°F
Partly Cloudy
Fri
H: 57°F
L: 35°F
Sunny
Sat
H: 59°F
L: 31°F
Sunny
Sun
H: 56°F
L: 31°F

Air Quality

PM2.5: 2.45 μg/m3
PM10: 2.75 μg/m3
Carbon Monoxide: 170.85 μg/m3
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 11:58 AM
Sunset: 4:46 PM
Daylight: 9 hrs 35 mins
Moonrise: 12:15 AM
Moon Transit: 5:19 PM
Moonset: 10:34 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:49 PM - 7:19 PM

Minor Periods

10:04 PM - 11:34 PM
11:45 AM - 1:15 PM

Action Rating: 3 out of 5

Frost Advisory issued November 25 at 12:40PM PST until November 26 at 9:00AM PST by NWS Eureka CA

Effective: Tue November 25, 2025, 12:40 PM
Expires: Tue November 25, 2025, 8:45 PM

* WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Trinity County, Northern Mendocino Interior, and Southern Humboldt Interior. * WHEN...From 2 AM to 9 AM PST Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Frost Advisory issued November 25 at 8:12PM PST until November 26 at 9:00AM PST by NWS Eureka CA

Effective: Tue November 25, 2025, 8:12 PM
Expires: Wed November 26, 2025, 4:15 AM

* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Trinity County, Southern Humboldt Interior, and Northeastern Mendocino Interior. * WHEN...From 2 AM to 9 AM PST Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.
Wednesday, November 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 49.5°F
Average Humidity: 38%
Chance of Rain: 0%
Wind: 3.1 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 2.23 μg/m3
PM10: 2.7 μg/m3
Carbon Monoxide: 177.69 μg/m3
Nitrogen Dioxide: 5.86 μg/m3
Sulphur Dioxide: 2.28 μg/m3
Ozone: 73.04 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 11:58 AM
Sunset: 4:46 PM
Daylight: 9 hrs 35 mins
Moonrise: 12:15 AM
Moon Transit: 5:19 PM
Moonset: 10:34 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:49 PM - 7:19 PM

Minor Periods

10:04 PM - 11:34 PM
11:45 AM - 1:15 PM

Action Rating: 3 out of 5

Thursday, November 27, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 49.8°F
Average Humidity: 40%
Chance of Rain: 0%
Wind: 4.7 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 3.11 μg/m3
PM10: 3.29 μg/m3
Carbon Monoxide: 167.49 μg/m3
Nitrogen Dioxide: 5.23 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 71.92 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:00 AM
Sunset: 4:46 PM
Daylight: 9 hrs 34 mins
Moonrise: 12:40 AM
Moon Transit: 6:05 PM
Moonset: 11:41 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

12:42 AM - 3:12 AM
5:35 PM - 8:05 PM

Minor Periods

12:00 AM - 12:00 AM
12:10 AM - 1:40 PM

Action Rating: 2 out of 5

Friday, November 28, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 45.4°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 4.5 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 2.41 μg/m3
PM10: 2.76 μg/m3
Carbon Monoxide: 157.49 μg/m3
Nitrogen Dioxide: 4.34 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 68.16 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:00 AM
Sunset: 4:45 PM
Daylight: 9 hrs 32 mins
Moonrise: 1:03 PM
Moon Transit: 6:50 PM
Moonset: 12:41 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

1:27 AM - 3:57 AM
6:20 PM - 8:50 PM

Minor Periods

12:33 AM - 2:03 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, November 29, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 41.5°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 3.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.43 μg/m3
PM10: 2.99 μg/m3
Carbon Monoxide: 169.23 μg/m3
Nitrogen Dioxide: 5.94 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 63.15 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:00 AM
Sunset: 4:45 PM
Daylight: 9 hrs 31 mins
Moonrise: 1:25 PM
Moon Transit: 6:12 PM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

2:13 AM - 4:43 AM
5:42 PM - 8:12 PM

Minor Periods

12:55 AM - 2:25 PM
12:20 AM - 1:50 AM

Action Rating: 2 out of 5

Sunday, November 30, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 37.6°F
Average Humidity: 53%
Chance of Rain: 0%
Wind: 3.1 mph
UV Index: 2

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 12:00 AM
Sunset: 4:45 PM
Daylight: 9 hrs 30 mins
Moonrise: 1:49 PM
Moon Transit: 8:25 PM
Moonset: 2:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:55 PM - 10:25 PM

Minor Periods

1:19 PM - 2:49 PM
1:31 AM - 3:01 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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