Water Temperature of the American River in Folsom, CA

Current Water Temperature

57.9°F

Measurement Time: Thursday, April 16, 2026, 8:45 AM 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

70.2°F
Sunny
Sunny
70.2°F
73.1°F
18%
NNW 12.3 mph
14.2 mph
73.2°F
31.7°F
0 in
0%
9 mi
1016 mbar
3.3

Five Day Weather Forecast

Sunny
Thu
H: 75°F
L: 50°F
Sunny
Fri
H: 68°F
L: 41°F
Partly Cloudy
Sat
H: 74°F
L: 52°F
Partly Cloudy
Sun
H: 80°F
L: 54°F
Sunny
Mon
H: 75°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 2.95 μg/m3
PM10: 3.15 μg/m3
Carbon Monoxide: 175.85 μg/m3
Nitrogen Dioxide: 6.65 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:04 PM
Sunset: 7:43 PM
Daylight: 13 hrs 16 mins
Moonrise: 5:45 AM
Moon Transit: 12:24 AM
Moonset: 7:16 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

8:01 PM - 10:31 PM
11:54 AM - 2:24 PM

Minor Periods

6:46 PM - 8:16 PM
5:15 AM - 6:45 AM

Action Rating: 5 out of 5

Wind Advisory issued April 16 at 4:33AM PDT until April 16 at 11:00PM PDT by NWS Sacramento CA

Effective: Thu April 16, 2026, 4:33 AM
Expires: Thu April 16, 2026, 1:00 PM

* WHAT...North winds 15 to 25 mph with gusts up to 40 mph expected. * 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.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Thursday, April 16, 2026

Weather Forecast

Sunny
74.5°F
49.8°F
59.7°F
58%
0 in
0%
0%
12.5 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 5.47 μg/m3
PM10: 6.2 μg/m3
Carbon Monoxide: 182.69 μg/m3
Nitrogen Dioxide: 9.71 μg/m3
Sulphur Dioxide: 2.39 μg/m3
Ozone: 69.12 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:04 PM
Sunset: 7:43 PM
Daylight: 13 hrs 16 mins
Moonrise: 5:45 AM
Moon Transit: 12:24 AM
Moonset: 7:16 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

8:01 PM - 10:31 PM
11:54 AM - 2:24 PM

Minor Periods

6:46 PM - 8:16 PM
5:15 AM - 6:45 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Sunny
68.2°F
40.8°F
55.9°F
42%
0 in
0%
0%
6.9 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 3.15 μg/m3
PM10: 3.63 μg/m3
Carbon Monoxide: 176.17 μg/m3
Nitrogen Dioxide: 5.44 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 91.32 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:04 PM
Sunset: 7:44 PM
Daylight: 13 hrs 18 mins
Moonrise: 6:14 AM
Moon Transit: 1:16 PM
Moonset: 8:33 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

8:55 PM - 11:25 PM
12:46 AM - 3:16 PM

Minor Periods

8:03 PM - 9:33 PM
5:44 AM - 7:14 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Partly Cloudy
73.6°F
52.2°F
62.7°F
56%
0 in
0%
0%
3.8 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 11.34 μg/m3
PM10: 13.14 μg/m3
Carbon Monoxide: 242.69 μg/m3
Nitrogen Dioxide: 19.82 μg/m3
Sulphur Dioxide: 3.19 μg/m3
Ozone: 72.56 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:03 PM
Sunset: 7:44 PM
Daylight: 13 hrs 20 mins
Moonrise: 6:48 AM
Moon Transit: 2:13 PM
Moonset: 9:52 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:43 PM - 4:13 PM

Minor Periods

9:22 PM - 10:52 PM
6:18 AM - 7:48 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Partly Cloudy
79.5°F
54°F
64.2°F
58%
0 in
0%
0%
6 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 11.39 μg/m3
PM10: 14.71 μg/m3
Carbon Monoxide: 206.18 μg/m3
Nitrogen Dioxide: 16.72 μg/m3
Sulphur Dioxide: 3.59 μg/m3
Ozone: 73.6 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:03 PM
Sunset: 7:45 PM
Daylight: 13 hrs 23 mins
Moonrise: 7:29 AM
Moon Transit: 3:14 PM
Moonset: 11:10 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:44 PM - 5:14 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

Sunny
75°F
49.8°F
61.3°F
45%
0 in
0%
0%
7.8 mph
1.9


Air Quality

AQI: 1 - Good
PM2.5: 6.47 μg/m3
PM10: 7.78 μg/m3
Carbon Monoxide: 169.69 μg/m3
Nitrogen Dioxide: 11.95 μg/m3
Sulphur Dioxide: 2.78 μg/m3
Ozone: 49 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:03 PM
Sunset: 7:46 PM
Daylight: 13 hrs 25 mins
Moonrise: 8:21 AM
Moon Transit: 4:19 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:49 PM - 6:19 PM

Minor Periods

7:51 AM - 9:21 AM
12:00 AM - 12:00 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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