Water Temperature of the American River in Folsom, CA

Current Water Temperature

65.8°F

Measurement Time: Friday, September 4, 2026, 5:45 PM PDT

Temperature Locations

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Local Points of Interest

Folsom Dam; Folsom Lake

American River

Station Name: AMERICAN R BL FOLSOM DAM NR FOLSOM CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 184 feet

Nearest Address:
500 Folsom Dam Rd
Folsom, CA 95630
Sacramento County

GPS Coordinates: 38.70452778, -121.164361

Nearby Water Temperatures

South Fork American River, Rescue, CA (9.3 mi)
North Fork American River, Auburn, CA (13.5 mi)
Cache Creek, Yolo, CA (34.7 mi)
Sacramento River, Walnut Grove, CA (36.3 mi)
Sacramento River, Walnut Grove, CA (37.6 mi)
Sacramento River, Meridian, CA (41.3 mi)
Sacramento River Deep Water Ship Chennel, Rio Vista, CA (42.4 mi)
Blackwood Creek, Idlewild, CA (60.6 mi)
General Creek, Tahoma, CA (61.2 mi)
Maxwell Creek, Saint Helena, CA (64.1 mi)
Upper Truckee River, South Lake Tahoe, CA (64.9 mi)
Pope Creek, Saint Helena, CA (64.9 mi)
Suisun Bay, Concord, CA (65.2 mi)
Trout Creek, South Lake Tahoe, CA (65.9 mi)
Carquinez Strait, Martinez, CA (69.6 mi)

Weather for Folsom, California

Current Weather

60°F
Clear
Clear
71%
SE 3 mph
51°F

Weather Forecast

Clear
Overnight
56°F - Clear
Sunny
Saturday
82°F - Sunny
Mostly Clear
Saturday Night
58°F - Mostly Clear
Sunny
Sunday
81°F - Sunny
Clear
Sunday Night
57°F - Clear
Sunny
Labor Day
87°F - Sunny
Mostly Clear
Monday Night
61°F - Mostly Clear
Sunny
Tuesday
90°F - Sunny
Partly Cloudy
Tuesday Night
64°F - Partly Cloudy
Slight Chance Light Rain
Wednesday
91°F - Slight Chance Light Rain
Partly Cloudy
Wednesday Night
66°F - Partly Cloudy
Mostly Sunny
Thursday
94°F - Mostly Sunny
Partly Cloudy
Thursday Night
65°F - Partly Cloudy
Mostly Sunny
Friday
87°F - Mostly Sunny

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:03 PM
Sunset: 7:28 PM
Daylight: 12 hrs 50 mins
Moonrise: 12:06 AM
Moon Transit: 8:07 AM
Moonset: 4:06 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
3:48 PM - 6:18 PM

Minor Periods

3:36 PM - 5:06 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:38 AM
Sun Transit: 1:03 PM
Sunset: 7:28 PM
Daylight: 12 hrs 50 mins
Moonrise: 12:06 AM
Moon Transit: 8:07 AM
Moonset: 4:06 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
3:48 PM - 6:18 PM

Minor Periods

3:36 PM - 5:06 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:38 AM
Sun Transit: 1:03 PM
Sunset: 7:28 PM
Daylight: 12 hrs 50 mins
Moonrise: 12:06 AM
Moon Transit: 8:07 AM
Moonset: 4:06 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
3:48 PM - 6:18 PM

Minor Periods

3:36 PM - 5:06 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:38 AM
Sun Transit: 1:03 PM
Sunset: 7:28 PM
Daylight: 12 hrs 50 mins
Moonrise: 12:06 AM
Moon Transit: 8:07 AM
Moonset: 4:06 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
3:48 PM - 6:18 PM

Minor Periods

3:36 PM - 5:06 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:39 AM
Sun Transit: 1:02 PM
Sunset: 7:27 PM
Daylight: 12 hrs 48 mins
Moonrise: 1:14 AM
Moon Transit: 9:09 AM
Moonset: 4:57 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:39 AM - 11:09 AM
4:50 PM - 7:20 PM

Minor Periods

4:27 PM - 5:57 PM
12:44 AM - 2:14 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:39 AM
Sun Transit: 1:02 PM
Sunset: 7:27 PM
Daylight: 12 hrs 48 mins
Moonrise: 1:14 AM
Moon Transit: 9:09 AM
Moonset: 4:57 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:39 AM - 11:09 AM
4:50 PM - 7:20 PM

Minor Periods

4:27 PM - 5:57 PM
12:44 AM - 2:14 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:40 AM
Sun Transit: 1:02 PM
Sunset: 7:25 PM
Daylight: 12 hrs 45 mins
Moonrise: 2:29 AM
Moon Transit: 10:09 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

5:48 PM - 8:18 PM
9:39 AM - 12:09 AM

Minor Periods

5:08 PM - 6:38 PM
1:59 AM - 3:29 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:40 AM
Sun Transit: 1:02 PM
Sunset: 7:25 PM
Daylight: 12 hrs 45 mins
Moonrise: 2:29 AM
Moon Transit: 10:09 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

5:48 PM - 8:18 PM
9:39 AM - 12:09 AM

Minor Periods

5:08 PM - 6:38 PM
1:59 AM - 3:29 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:40 AM
Sun Transit: 1:02 PM
Sunset: 7:23 PM
Daylight: 12 hrs 43 mins
Moonrise: 3:44 AM
Moon Transit: 11:04 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

6:42 PM - 9:12 PM
10:34 AM - 1:04 PM

Minor Periods

5:42 PM - 7:12 PM
3:14 AM - 4:44 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:40 AM
Sun Transit: 1:02 PM
Sunset: 7:23 PM
Daylight: 12 hrs 43 mins
Moonrise: 3:44 AM
Moon Transit: 11:04 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

6:42 PM - 9:12 PM
10:34 AM - 1:04 PM

Minor Periods

5:42 PM - 7:12 PM
3:14 AM - 4:44 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:41 AM
Sun Transit: 1:01 PM
Sunset: 7:22 PM
Daylight: 12 hrs 41 mins
Moonrise: 4:59 AM
Moon Transit: 11:56 AM
Moonset: 6:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:32 PM - 10:02 PM
11:26 AM - 1:56 PM

Minor Periods

6:11 PM - 7:41 PM
4:29 AM - 5:59 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:41 AM
Sun Transit: 1:01 PM
Sunset: 7:22 PM
Daylight: 12 hrs 41 mins
Moonrise: 4:59 AM
Moon Transit: 11:56 AM
Moonset: 6:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:32 PM - 10:02 PM
11:26 AM - 1:56 PM

Minor Periods

6:11 PM - 7:41 PM
4:29 AM - 5:59 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:42 AM
Sun Transit: 1:01 PM
Sunset: 7:20 PM
Daylight: 12 hrs 38 mins
Moonrise: 6:11 AM
Moon Transit: 12:44 AM
Moonset: 7:06 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:20 PM - 10:50 PM
12:14 AM - 2:44 PM

Minor Periods

6:36 PM - 8:06 PM
5:41 AM - 7:11 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:42 AM
Sun Transit: 1:01 PM
Sunset: 7:20 PM
Daylight: 12 hrs 38 mins
Moonrise: 6:11 AM
Moon Transit: 12:44 AM
Moonset: 7:06 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:20 PM - 10:50 PM
12:14 AM - 2:44 PM

Minor Periods

6:36 PM - 8:06 PM
5:41 AM - 7:11 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:43 AM
Sun Transit: 1:01 PM
Sunset: 7:19 PM
Daylight: 12 hrs 36 mins
Moonrise: 7:19 AM
Moon Transit: 1:30 PM
Moonset: 7:30 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

9:05 PM - 11:35 PM
1:00 PM - 3:30 PM

Minor Periods

7:00 PM - 8:30 PM
6:49 AM - 8:19 AM

Action Rating: 5 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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