Water Temperature of the Trinity River in Lewiston, CA
Current Water Temperature
Measurement Time: Monday, October 13, 2025, 4:15 PM PDT
Temperature Locations
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Local Points of Interest
Lewiston DamSponsored Content
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

Humidity: 100%
Feels Like: 48.1°F
Wind: ENE 2.7 mph
Wind Gusts: 5.6 mph
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 8 mi
UV Index: 0
Five Day Weather Forecast

Mon
H: 50°F
L: 43°F

Tue
H: 63°F
L: 38°F

Wed
H: 54°F
L: 42°F

Thu
H: 69°F
L: 36°F

Fri
H: 79°F
L: 43°F
Air Quality
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 62 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 6:34 PM
Daylight: 11 hrs 13 mins
Moon Transit: 7:03 AM
Moonset: 2:59 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%
Best Times for Fishing or Hunting
Major Periods
6:33 AM - 9:03 AM2:30 PM - 5:00 PM
Minor Periods
12:00 AM - 12:00 AM2:29 PM - 3:59 PM
Action Rating: 2 out of 5
Winter Storm Warning issued October 13 at 6:04AM PDT until October 15 at 5:00AM PDT by NWS Sacramento CA
Effective: Mon October 13, 2025, 6:04 AM
Expires: Mon October 13, 2025, 5:15 PM
* WHAT...Snow expected above 6500 feet. Total snow accumulations between 12 and 18 inches, up to 2 feet along the highest peaks. * WHERE...Western Plumas County/Lassen Park County. * WHEN...Until 5 AM PDT Wednesday. * IMPACTS...Plan for slippery road conditions. Hazardous road conditions are expected to impact the Monday and Tuesday commutes. * ADDITIONAL DETAILS...Snow levels will be 5500 to 6500 feet, decreasing after Monday night to 5000 to 6000 feet with heaviest snow accumulation expected Monday afternoon to late evening, highest in the Lassen Park Area. Snow accumulations may be affected by diurnal trends and sun angle.
Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1.
Winter Storm Warning issued October 13 at 1:22PM PDT until October 15 at 5:00AM PDT by NWS Sacramento CA
Effective: Mon October 13, 2025, 1:22 PM
Expires: Tue October 14, 2025, 4:00 PM
* WHAT...Snow expected above 6500 feet. Total snow accumulations between 4 and 8 inches. * WHERE...Western Plumas County/Lassen Park. * WHEN...Until 5 AM PDT Wednesday. * IMPACTS...Plan for slippery road conditions. Hazardous road conditions are expected to impact the Monday and Tuesday commutes. * ADDITIONAL DETAILS...Snow levels will be 5500 to 6500 feet, with heaviest snow accumulation expected this afternoon to late evening, highest in the Lassen Park Area. Snow accumulations may be affected by diurnal trends and sun angle.
Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1.
Weather Forecast
Average Temperature: 46.1°F
Average Humidity: 80%
Wind: 4.7 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 3.03 μg/m3
Sulphur Dioxide: 2.23 μg/m3
Ozone: 75.36 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 6:34 PM
Daylight: 11 hrs 13 mins
Moon Transit: 7:03 AM
Moonset: 2:59 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%
Best Times for Fishing or Hunting
Major Periods
6:33 AM - 9:03 AM2:30 PM - 5:00 PM
Minor Periods
12:00 AM - 12:00 AM2:29 PM - 3:59 PM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 49.1°F
Average Humidity: 69%
Wind: 3.8 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 4.32 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 75.8 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 6:32 PM
Daylight: 11 hrs 10 mins
Moon Transit: 8:00 AM
Moonset: 3:36 PM
Moon Phase: Last Quarter
Moon Illumination: 39.8%
Best Times for Fishing or Hunting
Major Periods
7:30 AM - 10:00 AM3:24 PM - 5:54 PM
Minor Periods
3:06 PM - 4:36 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 46.8°F
Average Humidity: 91%
Wind: 4.3 mph
UV Index: 0.7
Air Quality
Nitrogen Dioxide: 3.61 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 71.56 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 6:30 PM
Daylight: 11 hrs 8 mins
Moon Transit: 8:50 AM
Moonset: 4:06 PM
Moon Phase: Last Quarter
Moon Illumination: 29.1%
Best Times for Fishing or Hunting
Major Periods
8:20 AM - 10:50 AM4:13 PM - 6:43 PM
Minor Periods
3:36 PM - 5:06 PM12:53 AM - 2:23 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 52.8°F
Average Humidity: 55%
Wind: 3.8 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 76.12 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 6:29 PM
Daylight: 11 hrs 5 mins
Moon Transit: 9:37 AM
Moonset: 4:30 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%
Best Times for Fishing or Hunting
Major Periods
4:58 PM - 7:28 PM9:07 AM - 11:37 AM
Minor Periods
4:00 PM - 5:30 PM2:02 AM - 3:32 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 56.8°F
Average Humidity: 49%
Wind: 3.4 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 7.13 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 68.54 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 6:27 PM
Daylight: 11 hrs 3 mins
Moon Transit: 10:20 AM
Moonset: 4:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%
Best Times for Fishing or Hunting
Major Periods
5:41 PM - 8:11 PM9:50 AM - 12:20 AM
Minor Periods
4:21 PM - 5:51 PM3:08 AM - 4:38 AM
Action Rating: 2 out of 5