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

Current Water Temperature

56.3°F

Measurement Time: Wednesday, April 22, 2026, 9:15 PM PDT

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

42.1°F
Clear
Clear
41.4°F
47.7°F
96%
NNE 2.5 mph
5.2 mph
46.9°F
37.9°F
0 in
0%
9 mi
1022 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 70°F
L: 42°F
Cloudy
Fri
H: 69°F
L: 40°F
Patchy rain nearby
Sat
H: 55°F
L: 40°F
Patchy rain nearby
Sun
H: 54°F
L: 38°F
Patchy rain nearby
Mon
H: 57°F
L: 36°F

Air Quality

AQI: 1 - Good
PM2.5: 2.45 μg/m3
PM10: 3.45 μg/m3
Carbon Monoxide: 165.85 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:10 PM
Sunset: 7:58 PM
Daylight: 13 hrs 34 mins
Moonrise: 11:53 AM
Moon Transit: 7:31 PM
Moonset: 2:21 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
7:01 PM - 9:31 PM

Minor Periods

11:23 AM - 12:53 AM
1:51 AM - 3:21 AM

Action Rating: 2 out of 5

Frost Advisory issued April 22 at 11:03PM PDT until April 23 at 8:00AM PDT by NWS Eureka CA

Effective: Wed April 22, 2026, 11:03 PM
Expires: Thu April 23, 2026, 8:00 AM

* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of central and northwest California. * WHEN...Until 8 AM PDT Thursday. * 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.


Freeze Warning issued April 22 at 11:03PM PDT until April 23 at 8:00AM PDT by NWS Eureka CA

Effective: Wed April 22, 2026, 11:03 PM
Expires: Thu April 23, 2026, 8:00 AM

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Northern Lake, Northeastern Interior Mendocino, Northeastern Trinity, and Southern Trinity. * WHEN...Until 8 AM PDT Thursday. * 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.
Thursday, April 23, 2026

Weather Forecast

Sunny
70.2°F
41.8°F
54.8°F
63%
0 in
0%
0%
6 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 2.97 μg/m3
PM10: 3.76 μg/m3
Carbon Monoxide: 181.81 μg/m3
Nitrogen Dioxide: 4.72 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 69.56 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:10 PM
Sunset: 7:58 PM
Daylight: 13 hrs 34 mins
Moonrise: 11:53 AM
Moon Transit: 7:31 PM
Moonset: 2:21 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
7:01 PM - 9:31 PM

Minor Periods

11:23 AM - 12:53 AM
1:51 AM - 3:21 AM

Action Rating: 2 out of 5

Friday, April 24, 2026

Weather Forecast

Cloudy
68.7°F
39.8°F
52.1°F
74%
0 in
0%
0%
8.5 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 5.81 μg/m3
PM10: 7.46 μg/m3
Carbon Monoxide: 184.37 μg/m3
Nitrogen Dioxide: 5.49 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 63.12 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:10 PM
Sunset: 7:59 PM
Daylight: 13 hrs 36 mins
Moonrise: 1:06 PM
Moon Transit: 8:23 PM
Moonset: 2:59 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
7:53 PM - 10:23 PM

Minor Periods

12:36 AM - 2:06 PM
2:29 AM - 3:59 AM

Action Rating: 3 out of 5

Saturday, April 25, 2026

Weather Forecast

Patchy rain nearby
55°F
40.4°F
48.3°F
89%
0.03 in
88%
0%
4.9 mph
6.5


Air Quality

AQI: 1 - Good
PM2.5: 8.95 μg/m3
PM10: 12.56 μg/m3
Carbon Monoxide: 158.61 μg/m3
Nitrogen Dioxide: 4.56 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 74.68 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 1:10 PM
Sunset: 8:00 PM
Daylight: 13 hrs 39 mins
Moonrise: 2:16 PM
Moon Transit: 9:11 PM
Moonset: 3:29 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

3:44 AM - 6:14 AM
8:41 PM - 11:11 PM

Minor Periods

1:46 PM - 3:16 PM
2:59 AM - 4:29 AM

Action Rating: 3 out of 5

Sunday, April 26, 2026

Weather Forecast

Patchy rain nearby
54.4°F
38°F
48.4°F
81%
0.01 in
87%
0%
5.8 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 8.35 μg/m3
PM10: 11.91 μg/m3
Carbon Monoxide: 149.86 μg/m3
Nitrogen Dioxide: 2.43 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 96.28 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:10 PM
Sunset: 8:01 PM
Daylight: 13 hrs 41 mins
Moonrise: 3:22 PM
Moon Transit: 9:55 PM
Moonset: 3:55 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
9:25 PM - 11:55 PM

Minor Periods

2:52 PM - 4:22 PM
3:25 AM - 4:55 AM

Action Rating: 2 out of 5

Monday, April 27, 2026

Weather Forecast

Patchy rain nearby
57.2°F
35.8°F
44.8°F
86%
0.08 in
71%
0%
6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.06 μg/m3
PM10: 10.45 μg/m3
Carbon Monoxide: 171.17 μg/m3
Nitrogen Dioxide: 6.29 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 79.54 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:10 PM
Sunset: 8:02 PM
Daylight: 13 hrs 43 mins
Moonrise: 4:27 PM
Moon Transit: 10:38 PM
Moonset: 4:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

5:14 AM - 7:44 AM
12:00 AM - 12:00 AM

Minor Periods

3:57 PM - 5:27 PM
3:48 AM - 5:18 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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