Water Temperature of the Trinity River in Lewiston, CA

Current Water Temperature

49.3°F

Measurement Time: Thursday, April 16, 2026, 10:45 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

28.9°F
Clear
Clear
25.6°F
37.4°F
86%
NNW 3.1 mph
6.6 mph
35.4°F
16.6°F
0 in
0%
9 mi
1023 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 67°F
L: 37°F
Sunny
Sat
H: 65°F
L: 40°F
Overcast
Sun
H: 63°F
L: 44°F
Patchy rain nearby
Mon
H: 66°F
L: 41°F
Moderate rain
Tue
H: 63°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 2.45 μg/m3
PM10: 4.05 μg/m3
Carbon Monoxide: 146.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 120 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:10 PM
Sunset: 7:53 PM
Daylight: 13 hrs 24 mins
Moonrise: 6:17 AM
Moon Transit: 1:23 PM
Moonset: 8:45 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

8:48 PM - 11:18 PM
12:53 AM - 3:23 PM

Minor Periods

8:15 PM - 9:45 PM
5:47 AM - 7:17 AM

Action Rating: 4 out of 5

Freeze Warning issued April 16 at 8:46PM PDT until April 17 at 9:00AM PDT by NWS Eureka CA

Effective: Thu April 16, 2026, 8:46 PM
Expires: Fri April 17, 2026, 5:00 AM

* WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Humboldt Interior, Northern Mendocino Interior, Interior Del Norte, Southern Trinity, Northern Lake, Northwestern and Central Trinity, Northeastern Trinity, and Western Lake. * WHEN...From 2 AM to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.


Freeze Warning issued April 17 at 5:11AM PDT until April 17 at 9:00AM PDT by NWS Eureka CA

Effective: Fri April 17, 2026, 5:11 AM
Expires: Fri April 17, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Humboldt Interior, Northern Mendocino Interior, Interior Del Norte, Southern Trinity, Northern Lake, Northwestern and Central Trinity, Northeastern Trinity, and Western Lake. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.


Wind Advisory issued April 16 at 2:19PM PDT until April 16 at 11:00PM PDT by NWS Sacramento CA

Effective: Thu April 16, 2026, 2:19 PM
Expires: Thu April 16, 2026, 11:00 PM

* WHAT...North winds 15 to 25 mph with gusts 30 to 40 mph. * WHERE...Sacramento Valley and Carquinez Strait and Delta. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects and weakened tree limbs could be blown down, leading to localized power outages.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Friday, April 17, 2026

Weather Forecast

Sunny
67.3°F
36.7°F
50.5°F
34%
0 in
0%
0%
3.4 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 2.64 μg/m3
PM10: 3.93 μg/m3
Carbon Monoxide: 157.09 μg/m3
Nitrogen Dioxide: 3.11 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 97.88 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:10 PM
Sunset: 7:53 PM
Daylight: 13 hrs 24 mins
Moonrise: 6:17 AM
Moon Transit: 1:23 PM
Moonset: 8:45 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

8:48 PM - 11:18 PM
12:53 AM - 3:23 PM

Minor Periods

8:15 PM - 9:45 PM
5:47 AM - 7:17 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Sunny
65.1°F
40.3°F
52.3°F
42%
0 in
0%
0%
5.8 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 3.47 μg/m3
PM10: 6.65 μg/m3
Carbon Monoxide: 167.05 μg/m3
Nitrogen Dioxide: 5.58 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 93.12 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:10 PM
Sunset: 7:54 PM
Daylight: 13 hrs 26 mins
Moonrise: 6:49 AM
Moon Transit: 2:20 PM
Moonset: 10:05 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:50 PM - 4:20 PM

Minor Periods

9:35 PM - 11:05 PM
6:19 AM - 7:49 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Overcast
63.1°F
43.7°F
53.1°F
58%
0 in
0%
0%
6.9 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 5.32 μg/m3
PM10: 11.91 μg/m3
Carbon Monoxide: 172.45 μg/m3
Nitrogen Dioxide: 3.94 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 124.04 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:10 PM
Sunset: 7:55 PM
Daylight: 13 hrs 29 mins
Moonrise: 7:29 AM
Moon Transit: 3:21 PM
Moonset: 11:24 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:51 PM - 5:21 PM

Minor Periods

12:00 AM - 12:00 AM
6:59 AM - 8:29 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Patchy rain nearby
65.7°F
40.8°F
50.5°F
67%
0.03 in
56%
0%
9.4 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 3.02 μg/m3
PM10: 6.03 μg/m3
Carbon Monoxide: 156.1 μg/m3
Nitrogen Dioxide: 3.16 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 102.28 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:10 PM
Sunset: 7:56 PM
Daylight: 13 hrs 31 mins
Moonrise: 8:20 AM
Moon Transit: 4:26 PM
Moonset: 12:24 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:56 PM - 6:26 PM

Minor Periods

7:50 AM - 9:20 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Moderate rain
62.8°F
39.8°F
47.7°F
80%
0.26 in
80%
0%
12.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.06 μg/m3
PM10: 2.27 μg/m3
Carbon Monoxide: 165.58 μg/m3
Nitrogen Dioxide: 6.03 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 72.31 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:09 PM
Sunset: 7:57 PM
Daylight: 13 hrs 34 mins
Moonrise: 9:21 AM
Moon Transit: 5:31 PM
Moonset: 12:37 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
5:01 PM - 7:31 PM

Minor Periods

8:51 AM - 10:21 AM
12:07 AM - 1:37 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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