Water Temperature of the East Fork Russian River in Ukiah, CA

Current Water Temperature

46.8°F

Measurement Time: Friday, January 16, 2026, 1:15 AM PST

Temperature Locations

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Local Points of Interest

Lake Mendocino; Calpella, CA

East Fork Russian River

Station Name: EF RUSSIAN R NR CALPELLA CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 837 feet

Nearest Address:
4148 State Rte 20
Ukiah, CA 95482
Mendocino County

GPS Coordinates: 39.24655605, -123.1302806

Nearby Water Temperatures

Russian River, Hopland, CA (15.2 mi)
Russian River, Hopland, CA (25.7 mi)
Arena Cove, Point Arena, CA (38.7 mi)
Dry Creek, Healdsburg, CA (42.4 mi)
Elder Creek, Branscomb, CA (43.2 mi)
Russian River, Jimtown, CA (43.7 mi)
Russian River, Healdsburg, CA (44.9 mi)
Russian River, Forestville, CA (52.1 mi)
Mark West Creek, Forestville, CA (54.1 mi)
Pope Creek, Saint Helena, CA (58.3 mi)
Maxwell Creek, Saint Helena, CA (60.7 mi)
Sacramento River, Meridian, CA (71.9 mi)
Cache Creek, Yolo, CA (79.6 mi)
Mill Creek, Los Milinos, CA (81.1 mi)
Deer Creek, Vina, CA (82.3 mi)

Weather for Ukiah, California

Current Weather

45°F
Sunny
Sunny
44°F
51.7°F
76%
ENE 2.9 mph
6.1 mph
50.9°F
33°F
0 in
0%
9 mi
1021 mbar
1.3

Five Day Weather Forecast

Sunny
Fri
H: 71°F
L: 45°F
Sunny
Sat
H: 68°F
L: 45°F
Sunny
Sun
H: 68°F
L: 43°F
Sunny
Mon
H: 67°F
L: 42°F
Overcast
Tue
H: 65°F
L: 42°F

Air Quality

PM2.5: 4.95 μg/m3
PM10: 5.25 μg/m3
Carbon Monoxide: 216.85 μg/m3
Nitrogen Dioxide: 8.85 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 63 μg/m3

Astronomical

Sunrise: 7:30 AM
Sun Transit: 12:22 AM
Sunset: 5:15 PM
Daylight: 9 hrs 45 mins
Moonrise: 6:19 AM
Moon Transit: 10:43 AM
Moonset: 3:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

6:05 PM - 8:35 PM
10:13 AM - 12:43 AM

Minor Periods

2:39 PM - 4:09 PM
5:49 AM - 7:19 AM

Action Rating: 3 out of 5

Dense Fog Advisory issued January 15 at 10:19PM PST until January 16 at 9:00AM PST by NWS San Francisco CA

Effective: Thu January 15, 2026, 10:19 PM
Expires: Fri January 16, 2026, 8:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Bay Interior Valleys. * WHEN...Until 9 AM PST Friday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you. Patchy dense fog will result in sudden changes in visibility. Visibility at times will fall below one-quarter of a mile. Use your low beam headlights, slow down, and be prepared for periods of hazardous driving conditions.


Dense Fog Advisory issued January 16 at 12:52AM PST until January 16 at 9:00AM PST by NWS San Francisco CA

Effective: Fri January 16, 2026, 12:52 AM
Expires: Fri January 16, 2026, 9:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Bay Interior Valleys. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Patchy dense fog will result in sudden changes in visibility. Visibility at times will fall below one-quarter of a mile. Use your low beam headlights, slow down, and be prepared for periods of hazardous driving conditions.
Friday, January 16, 2026

Weather Forecast

Sunny
70.9°F
45.1°F
53.8°F
51%
0 in
0%
0%
3.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.23 μg/m3
PM10: 5.4 μg/m3
Carbon Monoxide: 217.09 μg/m3
Nitrogen Dioxide: 9.49 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 43.92 μg/m3

Astronomical

Sunrise: 7:30 AM
Sun Transit: 12:22 AM
Sunset: 5:15 PM
Daylight: 9 hrs 45 mins
Moonrise: 6:19 AM
Moon Transit: 10:43 AM
Moonset: 3:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

6:05 PM - 8:35 PM
10:13 AM - 12:43 AM

Minor Periods

2:39 PM - 4:09 PM
5:49 AM - 7:19 AM

Action Rating: 3 out of 5

Saturday, January 17, 2026

Weather Forecast

Sunny
67.6°F
45.3°F
52.2°F
57%
0 in
0%
0%
3.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.84 μg/m3
PM10: 5.09 μg/m3
Carbon Monoxide: 223.57 μg/m3
Nitrogen Dioxide: 9.12 μg/m3
Sulphur Dioxide: 1.66 μg/m3
Ozone: 53.12 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:22 AM
Sunset: 5:16 PM
Daylight: 9 hrs 47 mins
Moonrise: 7:06 AM
Moon Transit: 11:36 AM
Moonset: 4:10 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

6:57 PM - 9:27 PM
11:06 AM - 1:36 PM

Minor Periods

3:40 PM - 5:10 PM
6:36 AM - 8:06 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Sunny
67.8°F
43.2°F
51.1°F
67%
0 in
0%
0%
2.9 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 7.57 μg/m3
PM10: 8.26 μg/m3
Carbon Monoxide: 241.02 μg/m3
Nitrogen Dioxide: 12.82 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 53.77 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:23 AM
Sunset: 5:17 PM
Daylight: 9 hrs 48 mins
Moonrise: 7:45 AM
Moon Transit: 12:27 AM
Moonset: 5:15 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

7:47 PM - 10:17 PM
11:57 AM - 2:27 PM

Minor Periods

4:45 PM - 6:15 PM
7:15 AM - 8:45 AM

Action Rating: 4 out of 5

Monday, January 19, 2026

Weather Forecast

Sunny
67.4°F
42°F
48.7°F
71%
0 in
0%
0%
2.9 mph
0


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: 7:28 AM
Sun Transit: 12:23 AM
Sunset: 5:18 PM
Daylight: 9 hrs 50 mins
Moonrise: 8:18 AM
Moon Transit: 1:16 PM
Moonset: 6:22 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

8:36 PM - 11:06 PM
12:46 AM - 3:16 PM

Minor Periods

5:52 PM - 7:22 PM
7:48 AM - 9:18 AM

Action Rating: 4 out of 5

Tuesday, January 20, 2026

Weather Forecast

Overcast
64.8°F
41.9°F
49.7°F
63%
0 in
0%
0%
4.3 mph
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: 7:28 AM
Sun Transit: 12:23 AM
Sunset: 5:19 PM
Daylight: 9 hrs 51 mins
Moonrise: 8:47 AM
Moon Transit: 2:03 PM
Moonset: 7:29 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

9:22 PM - 11:52 PM
1:33 PM - 4:03 PM

Minor Periods

6:59 PM - 8:29 PM
8:17 AM - 9:47 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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