Water Temperature of the Trinity River in Lewiston, CA
Current Water Temperature
48.7°F
Measurement Time: Saturday, April 18, 2026, 6:45 PM PDT
Temperature Locations
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Local Points of Interest
Lewiston DamTrinity 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
54.1°F

Clear
54.4°F
52.5°F
62%
ENE 2.9 mph
6.1 mph
51.2°F
30.9°F
0 in
0%
9 mi
1013 mbar
0
Five Day Weather Forecast

Sun
H: 69°F
L: 45°F

Mon
H: 56°F
L: 40°F

Tue
H: 45°F
L: 42°F

Wed
H: 52°F
L: 33°F

Thu
H: 65°F
L: 31°F
Air Quality
AQI:
1 - Good
PM2.5:
5.85 μg/m3
PM10:
9.65 μg/m3
Carbon Monoxide: 174.85 μg/m3
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 120 μg/m3
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 120 μg/m3
Astronomical
Sunrise: 6:26 AM
Sun Transit: 1:10 PM
Sunset: 7:55 PM
Daylight: 13 hrs 29 mins
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%
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 AM2:51 PM - 5:21 PM
Minor Periods
12:00 AM - 12:00 AM6:59 AM - 8:29 AM
Action Rating: 2 out of 5
Sunday, April 19, 2026
Weather Forecast
Sunny
68.5°F
45°F
56.5°F
47%
0 in
0%
0%
8.5 mph
6.3
Air Quality
AQI:
1 - Good
PM2.5:
4.12 μg/m3
PM10:
8.34 μg/m3
Carbon Monoxide: 170.13 μg/m3
Nitrogen Dioxide: 3.69 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 127.32 μg/m3
Nitrogen Dioxide: 3.69 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 127.32 μg/m3
Astronomical
Sunrise: 6:26 AM
Sun Transit: 1:10 PM
Sunset: 7:55 PM
Daylight: 13 hrs 29 mins
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%
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 AM2:51 PM - 5:21 PM
Minor Periods
12:00 AM - 12:00 AM6:59 AM - 8:29 AM
Action Rating: 2 out of 5
Monday, April 20, 2026
Weather Forecast
Moderate rain
55.9°F
40.1°F
46.1°F
75%
0.57 in
86%
0%
8.1 mph
1.1
Air Quality
AQI:
1 - Good
PM2.5:
5.26 μg/m3
PM10:
11.3 μg/m3
Carbon Monoxide: 156.89 μg/m3
Nitrogen Dioxide: 4 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 106.84 μg/m3
Nitrogen Dioxide: 4 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 106.84 μg/m3
Astronomical
Sunrise: 6:25 AM
Sun Transit: 1:10 PM
Sunset: 7:56 PM
Daylight: 13 hrs 31 mins
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%
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 AM3:56 PM - 6:26 PM
Minor Periods
7:50 AM - 9:20 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Tuesday, April 21, 2026
Weather Forecast
Heavy rain
44.7°F
41.5°F
43.4°F
98%
1.11 in
81%
0%
4.7 mph
1
Air Quality
AQI:
1 - Good
PM2.5:
1.86 μg/m3
PM10:
2.45 μg/m3
Carbon Monoxide: 156.09 μg/m3
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 79.72 μg/m3
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 79.72 μg/m3
Astronomical
Sunrise: 6:23 AM
Sun Transit: 1:09 PM
Sunset: 7:57 PM
Daylight: 13 hrs 34 mins
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%
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 AM5:01 PM - 7:31 PM
Minor Periods
8:51 AM - 10:21 AM12:07 AM - 1:37 AM
Action Rating: 3 out of 5
Wednesday, April 22, 2026
Weather Forecast
Patchy rain nearby
52.2°F
32.5°F
43.2°F
88%
0.04 in
88%
0%
7.2 mph
4
Air Quality
AQI:
1 - Good
PM2.5:
1.12 μg/m3
PM10:
1.18 μg/m3
Carbon Monoxide: 152.39 μg/m3
Nitrogen Dioxide: 2.49 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 88.44 μg/m3
Nitrogen Dioxide: 2.49 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 88.44 μg/m3
Astronomical
Sunrise: 6:22 AM
Sun Transit: 1:09 PM
Sunset: 7:58 PM
Daylight: 13 hrs 36 mins
Sun Transit: 1:09 PM
Sunset: 7:58 PM
Daylight: 13 hrs 36 mins
Moonrise: 10:32 AM
Moon Transit: 6:33 PM
Moonset: 1:37 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%
Moon Transit: 6:33 PM
Moonset: 1:37 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%
Best Times for Fishing or Hunting
Major Periods
12:58 AM - 3:28 AM6:03 PM - 8:33 PM
Minor Periods
10:02 AM - 11:32 AM1:07 AM - 2:37 AM
Action Rating: 2 out of 5
Thursday, April 23, 2026
Weather Forecast
Sunny
65.3°F
31.3°F
42.6°F
74%
0 in
0%
0%
4.9 mph
0
Air Quality
AQI:
1 - Good
PM2.5:
3.03 μg/m3
PM10:
3.97 μg/m3
Carbon Monoxide: 157.89 μg/m3
Nitrogen Dioxide: 3.84 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 77.46 μg/m3
Nitrogen Dioxide: 3.84 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 77.46 μg/m3
Astronomical
Sunrise: 6:21 AM
Sun Transit: 1:09 PM
Sunset: 7:59 PM
Daylight: 13 hrs 39 mins
Sun Transit: 1:09 PM
Sunset: 7:59 PM
Daylight: 13 hrs 39 mins
Moonrise: 11:47 AM
Moon Transit: 7:30 PM
Moonset: 2:25 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%
Moon Transit: 7:30 PM
Moonset: 2:25 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%
Best Times for Fishing or Hunting
Major Periods
1:59 AM - 4:29 AM7:00 PM - 9:30 PM
Minor Periods
11:17 AM - 12:47 AM1:55 AM - 3:25 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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